Age and Sex in the Town of Chelmsford, Middlesex County, Massachusetts (Town)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Middlesex County.
Scope: population of Middlesex County, the Town of Chelmsford, and other county subdivisions in Middlesex County
Town of Chelmsford
Middlesex County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46631.899%1.90%9122.613%2.61%1,2713.641%3.64%1,4374.117%4.12%1,1413.269%3.27%8252.363%2.36%1,1203.209%3.21%1,1293.234%3.23%2,8948.291%8.29%2,7797.961%7.96%2,9278.385%8.39%2,4917.136%7.14%1,9115.475%5.47%2,2596.472%6.47%1,7054.885%4.88%1,0573.028%3.03%2430.696%0.70%2430.696%0.70%5771.653%1.65%1,3533.876%3.88%1,9585.609%5.61%2,0585.896%5.90%1,9535.595%5.60%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Middlesex County and the Town of Chelmsford
Female Male
Middlesex County
Town of Chelmsford
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.195923%-0.105442%-0.166513%-0.056870%-0.301365%0.30%0.195923%0.166513%0.195923%0.20%6,24917.902%17.9%-0.752994%-0.022690%-0.663083%-0.038374%-0.775683%0.78%0.752994%0.663083%0.752994%0.75%13,34013.3k38.217%38.2%-0.540499%-0.711150%-0.540499%0.54%0.540499%0.022282%0.711150%0.005727%0.562781%0.56%6,93219.859%19.9%-0.357388%-0.683668%-0.357388%0.36%0.357388%0.046554%0.683668%0.027032%0.403942%0.40%1,0633.045%3.05%-0.558802%-0.559730%-0.558802%0.56%0.558802%0.047747%0.559730%0.023220%0.606550%0.61%7,32220.976%21.0%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval 265+ 340-64 422-39 518-21 60-17

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Middlesex County and the Town of Chelmsford
Female Male
Middlesex County
Town of Chelmsford
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.038854%-0.041003%-0.043661%-0.043992%-0.079857%0.08%0.038854%0.043661%0.038854%0.04%6631.899%1.90%-0.190225%-0.142096%-0.146963%-0.082163%-0.332321%0.33%0.190225%0.146963%0.190225%0.19%9122.613%2.61%-0.301954%-0.124334%-0.207871%-0.059377%-0.426288%0.43%0.301954%0.207871%0.301954%0.30%1,2713.641%3.64%-0.326591%-0.170171%-0.288720%-0.050727%-0.496763%0.50%0.326591%0.288720%0.326591%0.33%1,4374.117%4.12%-0.434500%-0.220592%-0.372563%-0.092689%-0.655093%0.66%0.434500%0.372563%0.434500%0.43%1,1413.269%3.27%-0.517103%-0.147539%-0.480221%-0.052022%-0.664642%0.66%0.517103%0.480221%0.517103%0.52%8252.363%2.36%-0.531905%-0.514116%-0.077825%-0.531905%0.53%0.531905%0.005730%0.514116%0.537634%0.54%1,1203.209%3.21%-0.753452%-0.110296%-0.599862%-0.016394%-0.863748%0.86%0.753452%0.599862%0.753452%0.75%1,1293.234%3.23%-0.813041%-0.658990%-0.040354%-0.813041%0.81%0.813041%0.032086%0.658990%0.845127%0.85%2,8948.291%8.29%-0.753452%-0.085372%-0.729914%-0.033133%-0.838824%0.84%0.753452%0.729914%0.753452%0.75%2,7797.961%7.96%-0.823927%-0.703287%-0.032993%-0.823927%0.82%0.823927%0.029221%0.703287%0.853148%0.85%2,9278.385%8.39%-0.689280%-0.048702%-0.674811%-0.032138%-0.737982%0.74%0.689280%0.674811%0.689280%0.69%2,4917.136%7.14%-0.528849%-0.636676%-0.528849%0.53%0.528849%0.037243%0.636676%0.001454%0.566092%0.57%1,9115.475%5.47%-0.557497%-0.179339%-0.740694%-0.736836%0.74%0.557497%0.740694%0.004453%0.557497%0.56%2,2596.472%6.47%-0.363834%-0.768405%-0.363834%0.36%0.363834%0.249241%0.768405%0.005512%0.613075%0.61%1,7054.885%4.88%-0.482248%-0.044882%-0.690605%-0.527130%0.53%0.482248%0.690605%0.015331%0.482248%0.48%1,0573.028%3.03%-0.323727%-0.048702%-0.634086%-0.372429%0.37%0.323727%0.634086%0.024241%0.323727%0.32%2430.696%0.70%-0.232052%-0.648439%-0.232052%0.23%0.232052%0.232052%0.648439%0.046313%0.464104%0.46%2430.696%0.70%-0.412537%-0.726073%-0.412537%0.41%0.412537%0.001432%0.726073%0.018787%0.413969%0.41%5771.653%1.65%-0.634084%-0.023874%-0.586774%-0.657958%0.66%0.634084%0.586774%0.031407%0.634084%0.63%1,3533.876%3.88%-0.529995%-0.574671%-0.529995%0.53%0.529995%0.061880%0.574671%0.012835%0.591875%0.59%1,9585.609%5.61%-0.585573%-0.539547%-0.585573%0.59%0.585573%0.008022%0.539547%0.031959%0.593594%0.59%2,0585.896%5.90%-0.501346%-0.548746%-0.501346%0.50%0.501346%0.116312%0.548746%0.019954%0.617659%0.62%1,9535.595%5.60%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Middlesex County and the Town of Chelmsford
More Females More Males
Middlesex County
Town of Chelmsford
100%50%0%50%100%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-105.529954%-100.757922%-105.529954%105.5%0.4870.4967.270%67.3%32.730%32.7%-74.698795%-55.907631%-74.698795%74.7%0.5720.5763.596%63.6%36.404%36.4%-41.176471%-28.564414%-41.176471%41.2%0.7080.7158.537%58.5%41.463%41.5%-52.105263%-17.569598%-52.105263%52.1%0.6570.6660.334%60.3%39.666%39.7%-50.769231%-24.878717%-50.769231%50.8%0.6630.6660.123%60.1%39.877%39.9%-28.531856%-10.832891%-28.531856%28.5%0.7780.7856.242%56.2%43.758%43.8%-15.137729%1.077199%1.077199%1.1%1.0111.0149.732%49.7%50.268%50.3%-14.638783%-2.733025%-14.638783%14.6%0.8720.8753.410%53.4%46.590%46.6%-6.123674%3.946441%3.946441%3.9%1.0391.0449.032%49.0%50.968%51.0%-11.330798%-4.539337%-11.330798%11.3%0.8980.9052.681%52.7%47.319%47.3%-4.691242%3.546592%3.546592%3.5%1.0351.0449.129%49.1%50.871%50.9%-7.065669%-4.762535%-7.065669%7.1%0.9340.9351.706%51.7%48.294%48.3%7.042254%0.228443%7.042254%7.0%1.0701.0748.299%48.3%51.701%51.7%-32.168551%-32.168551%32.2%0.601144%0.7570.7656.928%56.9%43.072%43.1%68.503937%0.717274%68.503937%68.5%1.6851.6937.243%37.2%62.757%62.8%-9.306931%-9.306931%9.3%2.219964%0.9150.9152.223%52.2%47.777%47.8%-15.044248%-15.044248%15.0%3.822938%0.8690.8753.498%53.5%46.502%46.5%100.000000%7.142154%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%0.347222%2.587419%0.347222%0.3%1.0031.0049.913%49.9%50.087%50.1%-3.765060%-3.765060%3.8%5.352419%0.9640.9650.924%50.9%49.076%49.1%11.675676%2.233421%11.675676%11.7%1.1171.1247.242%47.2%52.758%52.8%1.369863%5.923386%1.369863%1.4%1.0141.0149.660%49.7%50.340%50.3%23.200000%3.636279%23.200000%23.2%1.2321.2344.803%44.8%55.197%55.2%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by Neighborhood in the Town of Chelmsford

Children Age Cohorts by Neighborhood#5

Percentage of population aged 0 to 17 (%):
12.1%15.4%18.7%22.0%25.3%28.6%

College Age Cohorts by Neighborhood#6

Percentage of population aged 18 to 21 (%):
0.7%2.3%3.8%5.2%6.7%8.3%

20s Age Cohorts by Neighborhood#7

Percentage of population aged 22 to 29 (%):
3.6%6.2%8.7%11.3%13.8%16.4%

30s Age Cohorts by Neighborhood#8

Percentage of population aged 30 to 39 (%):
7.9%9.9%11.7%13.6%15.4%17.3%

40s Age Cohorts by Neighborhood#9

Percentage of population aged 40 to 49 (%):
8.3%10.3%12.2%14.1%16.1%18.0%

50s Age Cohorts by Neighborhood#10

Percentage of population aged 50 to 59 (%):
11.8%14.4%17.0%19.6%22.2%24.9%

60s Age Cohorts by Neighborhood#11

Percentage of population aged 60 to 69 (%):
9.3%11.2%13.1%14.9%16.8%18.7%

70s Age Cohorts by Neighborhood#12

Percentage of population aged 70 to 79 (%):
0.7%4.1%7.4%10.8%14.2%17.6%

80+ Age Cohorts by Neighborhood#13

Percentage of population aged 80 and older (%):
1.8%3.7%5.5%7.3%9.1%10.9%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in the Town of Chelmsford

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
17.1%18.4%19.6%20.8%22.0%23.2%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1.87%2.33%2.78%3.24%3.70%4.16%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.0%6.2%7.3%8.5%9.6%10.8%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.0%8.7%10.3%11.9%13.5%15.1%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
13.0%14.2%15.2%16.3%17.4%18.6%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
9.2%11.0%12.8%14.5%16.3%18.1%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
9.5%10.8%12.0%13.2%14.5%15.7%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.5%4.1%6.7%9.2%11.8%14.4%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.7%3.6%4.5%5.3%6.1%7.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in the Town of Chelmsford

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
11.4%15.2%18.8%22.5%26.2%29.9%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%1.6%3.3%4.9%6.6%8.3%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
2.0%5.3%8.5%11.7%14.9%18.1%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
5.4%10.4%15.3%20.3%25.2%30.2%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
8.3%10.8%13.2%15.7%18.1%20.6%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
3.2%7.6%11.9%16.2%20.5%24.9%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
7.2%9.5%11.8%14.1%16.3%18.7%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.7%4.1%7.6%11.0%14.4%17.9%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
1.8%3.8%5.6%7.5%9.4%11.3%
Road Data ©OpenStreetMap

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Age Cohorts by Neighborhood in the Town of Chelmsford

There are 23 neighborhoods that are fully or partially contained within the Town of Chelmsford (14 fully and 9 partially). This section compares all 23 of those to each other, the Town of Chelmsford, and other entities that contain or substantially overlap with the Town of Chelmsford.

Children by Neighborhood#32

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Chelmsford, selected neighborhoods in the Town of Chelmsford, and entities that contain the Town of Chelmsford
0%10%20%Count#South East NeighborhoodSouth EastEast Chelmsford NeighborhoodE ChelmsfordFarms II NeighborhoodFarms IIWest Chelmsford NeighborhoodW ChelmsfordPark and Proctor NeighborhoodPk and ProctorRobert's Ranches NeighborhoodRobert's RanchesOld Stage Estates NeighborhoodOld Stage EstsUnited States of AmericaUnited StatesWestlands Area NeighborhoodWestlands AreaSouth Row Area NeighborhoodS Row AreaHitchingpost NeighborhoodHitchingpostHighlands NeighborhoodHighlandsNortheastNorth Chelmsford NeighborhoodN ChelmsfordChelmsford School DistrictChelmsfordTown of ChelmsfordChelmsfordMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexCenter Village NeighborhoodCtr VlgPine Hills NeighborhoodPine HillsFarms I NeighborhoodFarms ISouth Row II NeighborhoodSouth Row IIKings Grant/Russell Mill NeighborhoodKings Grant/Russ…Robin Hill NeighborhoodRobin HillLittlton Road Area NeighborhoodLittlton Rd AreaHeart Pond NeighborhoodHeart PondGolden Triangle NeighborhoodGolden TrnglRiverneck Area NeighborhoodRiverneck AreaNorth Chelmsford NeighborhoodN Chelmsford28.569531%28.569531%28.6%249126.792453%26.792453%26.8%435224.970554%24.970554%25.0%104105324.807827%24.807827%24.8%34424.712569%24.712569%24.7%205523.896282%23.896282%23.9%192193623.474178%23.474178%23.5%215723.108006%23.108006%23.1%73,612,43873.6M22.115920%22.115920%22.1%756821.710604%21.710604%21.7%310921.646040%21.646040%21.6%5705711021.439478%21.439478%21.4%3,9253,9261121.341491%21.341491%21.3%11,965,27112.0M21.315287%21.315287%21.3%1,8751220.976336%20.976336%21.0%7,32220.976336%20.976336%21.0%7,32220.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k19.104444%19.104444%19.1%4951318.742369%18.742369%18.7%6831418.279022%18.279022%18.3%1871881518.279022%18.279022%18.3%44451618.084556%18.084556%18.1%821716.698237%16.698237%16.7%1551815.755812%15.755812%15.8%3253261915.538014%15.538014%15.5%42432014.440433%14.440433%14.4%71722114.440433%14.440433%14.4%192212.117487%12.117487%12.1%623
Count number of children
# rank of neighborhood out of 23 by %

Age Cohorts by County Subdivision in the Boston Area

There are 201 county subdivisions in the Boston Area. This section compares the Town of Chelmsford to the 50 most populous county subdivisions in the Boston Area and to those entities that contain or substantially overlap with the Town of Chelmsford. The least populous of the compared county subdivisions has a population of 27,773.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Chelmsford, selected other county subdivisions in the Boston Area, and entities that contain the Town of Chelmsford
0%5%10%15%20%25%Count#Town of NeedhamNeedhamLawrenceTown of WellesleyWellesleyTown of LexingtonLexingtonFranklin TownBrocktonLynnChelseaTown of AndoverAndoverTown of NatickNatickEverettTown of North AndoverN AndoverMethuen TownUnited States of AmericaUnited StatesLowellBraintree TownTown of DracutDracutNewtonHaverhillTown of DerryMarlboroughNortheastTown of ArlingtonArlingtonMelroseChelmsford School DistrictChelmsfordTown of ChelmsfordChelmsfordMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexTown of BillericaBillericaTown of FraminghamFraminghamTown of NorwoodNorwoodTown of TewksburyTewksburyTown of StoughtonStoughtonWoburnTown of PlymouthPlymouthDoverWeymouth TownRochesterTown of RandolphRandolphRevereMaldenTown of SalemTown of SaugusSaugusTown of BrooklineBrooklinePeabodyBeverlySalemGloucesterWatertown TownBostonQuincyMedfordWalthamSomervilleCambridge27.135612%27.135612%27.1%8,186127.026482%27.026482%27.0%21,44221.4k226.493480%26.493480%26.5%7,659326.074812%26.074812%26.1%8,588425.930095%25.930095%25.9%8,524525.817135%25.817135%25.8%24,47824.5k625.631557%25.631557%25.6%23,60023.6k725.609246%25.609246%25.6%9,794825.318194%25.318194%25.3%8,852924.346474%24.346474%24.3%8,6151023.568420%23.568420%23.6%10,52010.5k1123.265444%23.265444%23.3%6,9111223.181698%23.181698%23.2%11,36911.4k1323.108006%23.108006%23.1%73,612,43873.6M22.776711%22.776711%22.8%25,02525.0k1422.716236%22.716236%22.7%8,4201522.630899%22.630899%22.6%7,0021622.483780%22.483780%22.5%19,85719.9k1722.111004%22.111004%22.1%13,78413.8k1821.479477%21.479477%21.5%7,1431921.388292%21.388292%21.4%8,4582021.341491%21.341491%21.3%11,965,27112.0M21.311475%21.311475%21.3%9,4642121.038615%21.038615%21.0%5,8462220.976336%20.976336%21.0%7,32220.976336%20.976336%21.0%7,3222320.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k20.259070%20.259070%20.3%8,5552420.256421%20.256421%20.3%14,33014.3k2519.949686%19.949686%19.9%5,7892619.919020%19.919020%19.9%6,0512719.847841%19.847841%19.8%5,6092819.538501%19.538501%19.5%7,6632919.535866%19.535866%19.5%11,37311.4k3019.473171%19.473171%19.5%5,9883119.449290%19.449290%19.4%10,81410.8k3219.186743%19.186743%19.2%5,7663319.146334%19.146334%19.1%6,4193418.927866%18.927866%18.9%10,06310.1k3518.627742%18.627742%18.6%11,31311.3k3618.468468%18.468468%18.5%5,3303718.370360%18.370360%18.4%5,1023818.180128%18.180128%18.2%10,75910.8k3918.116206%18.116206%18.1%9,4634017.990090%17.990090%18.0%7,3704117.790393%17.790393%17.8%7,6154216.932918%16.932918%16.9%5,0034316.739047%16.739047%16.7%5,6664416.549062%16.549062%16.5%108,939109k4516.259414%16.259414%16.3%15,17815.2k4614.916055%14.916055%14.9%8,5294713.933237%13.933237%13.9%8,7364812.050511%12.050511%12.1%9,5814911.826365%11.826365%11.8%12,86212.9k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in Massachusetts

There are 357 county subdivisions in Massachusetts. This section compares the Town of Chelmsford to the 50 most populous county subdivisions in Massachusetts and to those entities that contain or substantially overlap with the Town of Chelmsford. The least populous of the compared county subdivisions has a population of 33,526.

Children by County Subdivision#50

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Chelmsford, selected other county subdivisions in Massachusetts, and entities that contain the Town of Chelmsford
0%5%10%15%20%25%Count#LawrenceSpringfieldBrocktonLynnChelseaTown of AndoverAndoverTown of ShrewsburyShrewsburyTown of NatickNatickHolyokeAttleboroEverettMethuen TownUnited States of AmericaUnited StatesLowellFitchburgBraintree TownNew BedfordNewtonHaverhillLeominsterMarlboroughNortheastTown of ArlingtonArlingtonChelmsford School DistrictChelmsfordTown of ChelmsfordChelmsfordMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexTauntonWorcesterTown of BillericaBillericaTown of FraminghamFraminghamFall RiverWoburnTown of PlymouthPlymouthChicopeePittsfieldWeymouth TownWestfieldTown of RandolphRandolphRevereMaldenTown of BrooklineBrooklinePeabodyBeverlySalemBarnstable TownWatertown TownBostonQuincyTown of DartmouthDartmouthMedfordWalthamSomervilleCambridgeTown of AmherstAmherst27.026482%27.026482%27.0%21,44221.4k126.129449%26.129449%26.1%40,23740.2k225.817135%25.817135%25.8%24,47824.5k325.631557%25.631557%25.6%23,60023.6k425.609246%25.609246%25.6%9,794525.318194%25.318194%25.3%8,852624.954787%24.954787%25.0%9,107724.346474%24.346474%24.3%8,615824.143496%24.143496%24.1%9,725923.755128%23.755128%23.8%10,48110.5k1023.568420%23.568420%23.6%10,52010.5k1123.181698%23.181698%23.2%11,36911.4k1223.108006%23.108006%23.1%73,612,43873.6M22.776711%22.776711%22.8%25,02525.0k1322.764027%22.764027%22.8%9,2061422.716236%22.716236%22.7%8,4201522.523898%22.523898%22.5%21,39521.4k1622.483780%22.483780%22.5%19,85719.9k1722.111004%22.111004%22.1%13,78413.8k1821.639551%21.639551%21.6%8,9381921.388292%21.388292%21.4%8,4582021.341491%21.341491%21.3%11,965,27112.0M21.311475%21.311475%21.3%9,4642120.976336%20.976336%21.0%7,32220.976336%20.976336%21.0%7,3222220.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k20.357851%20.357851%20.4%11,50311.5k2320.346587%20.346587%20.3%37,37237.4k2420.259070%20.259070%20.3%8,5552520.256421%20.256421%20.3%14,33014.3k2620.232391%20.232391%20.2%17,98718.0k2719.538501%19.538501%19.5%7,6632819.535866%19.535866%19.5%11,37311.4k2919.524064%19.524064%19.5%10,95311.0k3019.510909%19.510909%19.5%8,5133119.449290%19.449290%19.4%10,81410.8k3219.351106%19.351106%19.4%8,0283319.146334%19.146334%19.1%6,4193418.927866%18.927866%18.9%10,06310.1k3518.627742%18.627742%18.6%11,31311.3k3618.180128%18.180128%18.2%10,75910.8k3718.116206%18.116206%18.1%9,4633817.990090%17.990090%18.0%7,3703917.790393%17.790393%17.8%7,6154016.901883%16.901883%16.9%7,5214116.739047%16.739047%16.7%5,6664216.549062%16.549062%16.5%108,939109k4316.259414%16.259414%16.3%15,17815.2k4415.392852%15.392852%15.4%5,3194514.916055%14.916055%14.9%8,5294613.933237%13.933237%13.9%8,7364712.050511%12.050511%12.1%9,5814811.826365%11.826365%11.8%12,86212.9k498.730239%8.730239%8.7%3,46850
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the Northeast

There are 5,785 county subdivisions in the Northeast. This section compares the Town of Chelmsford to the 50 most populous county subdivisions in the Northeast and to those entities that contain or substantially overlap with the Town of Chelmsford. The least populous of the compared county subdivisions has a population of 91,133.

Children by County Subdivision#59

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Chelmsford, selected other county subdivisions in the Northeast, and entities that contain the Town of Chelmsford
0%10%20%30%40%Count#Lakewood TownshipLakewoodTown of RamapoRamapoElizabethPatersonAllentownSpringfieldBrocktonTown of WaterburyWaterburyLynnBronxNewarkTown of HartfordHartfordTown of BridgeportBridgeportTown of IslipRochesterBrooklynUnited States of AmericaUnited StatesErieTown of HuntingtonHuntingtonTown of North HempsteadN HempsteadBuffaloLowellTown of BrookhavenBrookhavenProvidenceTown of SmithtownSmithtownNew BedfordTown of HempsteadHempsteadStaten IslandEdison TownshipEdisonPhiladelphiaTown of New HavenNew HvnTown of GreenburghGreenburghYonkersSyracuseTown of Oyster BayOyster BayTown of BabylonBabylonNortheastTown of StamfordStamfordToms River TownshipToms RivChelmsford School DistrictChelmsfordTown of ChelmsfordChelmsfordJersey CityMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexQueensWoodbridge TownshipWoodbridgeWorcesterManchesterTown of GreeceGreeceTown of AmherstAmherstAlbanyBostonQuincyPittsburghManhattanCambridge46.141747%46.141747%46.1%45,17645.2k136.095450%36.095450%36.1%47,95148.0k226.762312%26.762312%26.8%34,26734.3k326.662083%26.662083%26.7%39,16539.2k426.446198%26.446198%26.4%31,63631.6k526.129449%26.129449%26.1%40,23740.2k625.817135%25.817135%25.8%24,47824.5k725.747406%25.747406%25.7%28,11928.1k825.631557%25.631557%25.6%23,60023.6k925.573137%25.573137%25.6%367,431367k1025.159653%25.159653%25.2%70,48270.5k1124.752252%24.752252%24.8%30,77230.8k1224.312688%24.312688%24.3%35,74535.7k1323.886092%23.886092%23.9%80,18880.2k1423.700967%23.700967%23.7%49,84149.8k1523.337305%23.337305%23.3%608,369608k1623.108006%23.108006%23.1%73,612,43873.6M22.973931%22.973931%23.0%23,01023.0k1722.937237%22.937237%22.9%46,78646.8k1822.930239%22.930239%22.9%52,65752.7k1922.850777%22.850777%22.9%59,18159.2k2022.776711%22.776711%22.8%25,02525.0k2122.722756%22.722756%22.7%110,915111k2222.652375%22.652375%22.7%40,51440.5k2322.576628%22.576628%22.6%26,64926.6k2422.523898%22.523898%22.5%21,39521.4k2522.467309%22.467309%22.5%172,708173k2622.358469%22.358469%22.4%105,828106k2722.192445%22.192445%22.2%22,60722.6k2822.168125%22.168125%22.2%345,809346k2921.994555%21.994555%22.0%28,68228.7k3021.862778%21.862778%21.9%19,95720.0k3121.819001%21.819001%21.8%43,57843.6k3221.745757%21.745757%21.7%31,39031.4k3321.562024%21.562024%21.6%64,15564.2k3421.407336%21.407336%21.4%45,65245.7k3521.341491%21.341491%21.3%11,965,27112.0M21.302096%21.302096%21.3%27,14127.1k3621.184423%21.184423%21.2%19,30619.3k3720.976336%20.976336%21.0%7,32220.976336%20.976336%21.0%7,32220.860563%20.860563%20.9%54,58554.6k3820.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k20.470812%20.470812%20.5%472,878473k3920.461580%20.461580%20.5%20,69320.7k4020.346587%20.346587%20.3%37,37237.4k4119.906378%19.906378%19.9%21,94321.9k4219.591714%19.591714%19.6%18,93518.9k4319.260792%19.260792%19.3%24,00824.0k4416.704089%16.704089%16.7%16,44116.4k4516.549062%16.549062%16.5%108,939109k4616.259414%16.259414%16.3%15,17815.2k4715.845466%15.845466%15.8%48,37748.4k4814.639548%14.639548%14.6%239,355239k4911.826365%11.826365%11.8%12,86212.9k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares the Town of Chelmsford to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with the Town of Chelmsford. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#68

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Chelmsford, selected other county subdivisions in the United States, and entities that contain the Town of Chelmsford
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasOceanside-EscondidoOceanside-Escond…BrooklynUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonNortheastBaltimoreChelmsford School DistrictChelmsfordTown of ChelmsfordChelmsfordLos AngelesDenverMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexQueensAtlantaMiamiSeattleWashingtonBostonManhattanSan Francisco28.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k328.397448%28.397448%28.4%196,566197k427.641788%27.641788%27.6%235,492235k527.496527%27.496527%27.5%270,755271k626.987978%26.987978%27.0%154,609155k726.725236%26.725236%26.7%882,854883k826.475933%26.475933%26.5%158,504159k926.202297%26.202297%26.2%183,823184k1026.125729%26.125729%26.1%143,291143k1125.730246%25.730246%25.7%398,059398k1225.573137%25.573137%25.6%367,431367k1325.541202%25.541202%25.5%139,787140k1425.334430%25.334430%25.3%150,050150k1525.218343%25.218343%25.2%172,353172k1624.820142%24.820142%24.8%790,766791k1724.651051%24.651051%24.7%158,701159k1824.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.105398%24.105398%24.1%270,060270k2124.003737%24.003737%24.0%138,756139k2223.974603%23.974603%24.0%448,315448k2323.555887%23.555887%23.6%155,230155k2423.337305%23.337305%23.3%608,369608k2523.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2622.866327%22.866327%22.9%401,701402k2722.814001%22.814001%22.8%218,249218k2822.721955%22.721955%22.7%133,247133k2922.597144%22.597144%22.6%185,081185k3022.467309%22.467309%22.5%172,708173k3122.237882%22.237882%22.2%129,541130k3222.168125%22.168125%22.2%345,809346k3321.982996%21.982996%22.0%523,203523k3421.913385%21.913385%21.9%594,733595k3521.700117%21.700117%21.7%144,592145k3621.692326%21.692326%21.7%186,313186k3721.633042%21.633042%21.6%398,263398k3821.517750%21.517750%21.5%188,032188k3921.341491%21.341491%21.3%11,965,27112.0M21.123671%21.123671%21.1%131,178131k4020.976336%20.976336%21.0%7,32220.976336%20.976336%21.0%7,32220.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k20.470812%20.470812%20.5%472,878473k4319.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4517.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4814.639548%14.639548%14.6%239,355239k4913.481174%13.481174%13.5%114,628115k50
Count number of children
# rank of county subdivision out of 50 by %

Definitions

The US Census reports extensively on the topics of age and sex, often reporting other topics broken down by age and sex cohorts. This page reports on age and sex alone; charts presenting other topics by age and sex can be found on their topic-specific pages.

  • Children: less than 18 years old
  • College: from 18 to 21 years old
  • 20s: from 22 to 29 years old, to not overlap the college category
  • Younger Adult: from 22 to 39 years old
  • Older Adult: from 40 to 64 years old
  • Senior: more than 64 years old

For additional information about the data presented on this site, including our sources, please see the About Page.

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State:
Massachusetts
County:
Middlesex
Metro Area:
Boston Area
ZIP Codes:
01824, 01863
Unified School District:
Chelmsford
Neighborhoods:
Center Village, East Chelmsford, Farms I, Farms II, Golden Triangle, Heart Pond, Highlands, Hitchingpost, Kings Grant/Russell Mill, Littlton Road Area, North Chelmsford, North Chelmsford, Old Stage Estates, Park and Proctor, Pine Hills, Riverneck Area, Robert's Ranches, Robin Hill, South East, South Row Area, South Row II, West Chelmsford, Westlands Area
Congressional District:
MA-3
Upper State Legislative District:
MA-3rd Middlesex
Lower State Legislative Districts:
MA-2nd Middlesex, MA-14th Middlesex, MA-16th Middlesex, MA-17th Middlesex
Neighboring Cities:
Lowell
Neighboring Towns:
Billerica, Carlisle, Tyngsborough, Westford
Nearby Towns:
Acton, Ayer, Bedford, Concord, Dracut, Dunstable, Groton, Littleton, Pelham, Tewksbury