Age and Sex in Norfolk County, Massachusetts (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Massachusetts.
Scope: population of Massachusetts, Norfolk County, and other counties in Massachusetts
Norfolk County
Massachusetts
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-417,77817.8k2.572%2.57%14,98315.0k2.168%2.17%18,02418.0k2.608%2.61%24,99525.0k3.616%3.62%18,29818.3k2.647%2.65%14,43014.4k2.088%2.09%23,87223.9k3.454%3.45%18,78518.8k2.718%2.72%50,09150.1k7.247%7.25%54,77554.8k7.924%7.92%51,78951.8k7.492%7.49%46,58946.6k6.740%6.74%41,65041.7k6.026%6.03%42,86642.9k6.202%6.20%42,88742.9k6.205%6.20%25,16725.2k3.641%3.64%8,7071.260%1.26%7,8911.142%1.14%17,80817.8k2.576%2.58%27,32927.3k3.954%3.95%43,72043.7k6.325%6.33%41,54341.5k6.010%6.01%37,24137.2k5.388%5.39%
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 Massachusetts and Norfolk County
Female Male
Massachusetts
Norfolk County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.183472%-0.069113%-0.179173%-0.060528%-0.252586%0.25%0.183472%0.179173%0.183472%0.18%108,508109k15.698%15.7%-0.683634%-0.055734%-0.662237%-0.044052%-0.739367%0.74%0.683634%0.662237%0.683634%0.68%245,901246k35.575%35.6%-0.595696%-0.034866%-0.660381%-0.006144%-0.630562%0.63%0.595696%0.660381%0.595696%0.60%152,570153k22.073%22.1%-0.613338%-0.017722%-0.766222%-0.017135%-0.631060%0.63%0.613338%0.766222%0.613338%0.61%34,40634.4k4.978%4.98%-0.590560%-0.560616%-0.590560%0.59%0.590560%0.023140%0.560616%0.024588%0.613699%0.61%149,833150k21.677%21.7%
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 Massachusetts and Norfolk County
Female Male
Massachusetts
Norfolk County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.050509%-0.059732%-0.046447%-0.050660%-0.110240%0.11%0.050509%0.046447%0.050509%0.05%17,77817.8k2.572%2.57%-0.163219%-0.107086%-0.156508%-0.083152%-0.270305%0.27%0.163219%0.156508%0.163219%0.16%14,98315.0k2.168%2.17%-0.230144%-0.061225%-0.213469%-0.064537%-0.291370%0.29%0.230144%0.213469%0.230144%0.23%18,02418.0k2.608%2.61%-0.317498%-0.088221%-0.316024%-0.068770%-0.405719%0.41%0.317498%0.316024%0.317498%0.32%24,99525.0k3.616%3.62%-0.415354%-0.051696%-0.419753%-0.055660%-0.467050%0.47%0.415354%0.419753%0.415354%0.42%18,29818.3k2.647%2.65%-0.498251%-0.047308%-0.508903%-0.059595%-0.545559%0.55%0.498251%0.508903%0.498251%0.50%14,43014.4k2.088%2.09%-0.555059%-0.041087%-0.557414%-0.061316%-0.596146%0.60%0.555059%0.557414%0.555059%0.56%23,87223.9k3.454%3.45%-0.626141%-0.106551%-0.618023%-0.051178%-0.732692%0.73%0.626141%0.618023%0.626141%0.63%18,78518.8k2.718%2.72%-0.701371%-0.046613%-0.676577%-0.048367%-0.747984%0.75%0.701371%0.676577%0.701371%0.70%50,09150.1k7.247%7.25%-0.767254%-0.050375%-0.731910%-0.039160%-0.817629%0.82%0.767254%0.731910%0.767254%0.77%54,77554.8k7.924%7.92%-0.725242%-0.048002%-0.689914%-0.038463%-0.773244%0.77%0.725242%0.689914%0.725242%0.73%51,78951.8k7.492%7.49%-0.640811%-0.066405%-0.631126%-0.037009%-0.707215%0.71%0.640811%0.631126%0.640811%0.64%46,58946.6k6.740%6.74%-0.595355%-0.014409%-0.584959%-0.018190%-0.609764%0.61%0.595355%0.584959%0.595355%0.60%41,65041.7k6.026%6.03%-0.602878%-0.034548%-0.656156%-0.013040%-0.637426%0.64%0.602878%0.656156%0.602878%0.60%42,86642.9k6.202%6.20%-0.597727%-0.045456%-0.710160%-0.001522%-0.643183%0.64%0.597727%0.710160%0.597727%0.60%42,88742.9k6.205%6.20%-0.580907%-0.051841%-0.692436%-0.632748%0.63%0.580907%0.692436%0.017724%0.580907%0.58%25,16725.2k3.641%3.64%-0.589684%-0.080293%-0.752120%-0.019044%-0.669977%0.67%0.589684%0.752120%0.589684%0.59%8,7071.260%1.26%-0.540495%-0.776860%-0.012993%-0.540495%0.54%0.540495%0.060618%0.776860%0.601113%0.60%7,8911.142%1.14%-0.631277%-0.025607%-0.767953%-0.018251%-0.656884%0.66%0.631277%0.767953%0.631277%0.63%17,80817.8k2.576%2.58%-0.644225%-0.606894%-0.644225%0.64%0.644225%0.029465%0.606894%0.030020%0.673690%0.67%27,32927.3k3.954%3.95%-0.612108%-0.579863%-0.612108%0.61%0.612108%0.040798%0.579863%0.030477%0.652905%0.65%43,72043.7k6.325%6.33%-0.599984%-0.546764%-0.599984%0.60%0.599984%0.002054%0.546764%0.016321%0.602039%0.60%41,54341.5k6.010%6.01%-0.527388%-0.527455%-0.527388%0.53%0.527388%0.022771%0.527455%0.023708%0.550159%0.55%37,24137.2k5.388%5.39%
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 Massachusetts and Norfolk County
More Females More Males
Massachusetts
Norfolk County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-118.259936%-109.071132%-118.259936%118.3%0.4580.4668.579%68.6%31.421%31.4%-65.608935%-53.129265%-65.608935%65.6%0.6040.6062.351%62.4%37.649%37.6%-26.602967%-30.232623%-26.602967%26.6%0.7900.7955.870%55.9%44.130%44.1%-27.786385%-21.761128%-27.786385%27.8%0.7830.7856.099%56.1%43.901%43.9%-12.446302%-13.260150%-12.446302%12.4%0.8890.8952.929%52.9%47.071%47.1%-9.494774%-11.710530%-9.494774%9.5%0.9130.9152.266%52.3%47.734%47.7%-7.402259%-11.000044%-7.402259%7.4%0.9310.9351.785%51.8%48.215%48.2%-17.017098%-8.280935%-17.017098%17.0%0.8550.8553.921%53.9%46.079%46.1%-6.646040%-7.148839%-6.646040%6.6%0.9380.9451.608%51.6%48.392%48.4%-6.565599%-5.350340%-6.565599%6.6%0.9380.9451.589%51.6%48.411%48.4%-6.618791%-5.574976%-6.618791%6.6%0.9380.9451.602%51.6%48.398%48.4%-10.362577%-5.863967%-10.362577%10.4%0.9060.9152.463%52.5%47.537%47.5%-2.420295%-3.109628%-2.420295%2.4%0.9760.9850.598%50.6%49.402%49.4%-5.730467%-1.987387%-5.730467%5.7%0.9460.9551.393%51.4%48.607%48.6%-7.604802%-0.214286%-7.604802%7.6%0.9290.9351.832%51.8%48.168%48.2%-8.924124%-8.924124%8.9%2.559709%0.9180.9252.136%52.1%47.864%47.9%-13.616290%-2.532095%-13.616290%13.6%0.8800.8853.187%53.2%46.813%46.8%-1.672490%11.215203%11.215203%11.2%1.1121.1147.345%47.3%52.655%52.7%-4.056377%-2.376561%-4.056377%4.1%0.9610.9650.994%51.0%49.006%49.0%4.573696%4.946519%4.573696%4.6%1.0461.0548.882%48.9%51.118%51.1%6.665091%5.255888%6.665091%6.7%1.0671.0748.387%48.4%51.613%51.6%0.342400%2.985058%0.342400%0.3%1.0031.0049.915%49.9%50.085%50.1%4.317770%4.494711%4.317770%4.3%1.0431.0448.943%48.9%51.057%51.1%
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 County Subdivision in Norfolk County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
16.2%19.1%21.9%24.8%27.6%30.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
1.8%4.5%7.1%9.8%12.4%15.1%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
2.8%5.8%8.8%11.8%14.7%17.7%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
6.3%8.2%10.0%11.8%13.6%15.5%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.8%12.3%13.7%15.1%16.5%18.0%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.0%12.0%13.9%15.7%17.6%19.5%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
9.0%9.9%10.7%11.4%12.2%13.0%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.8%4.6%5.4%6.2%6.9%7.8%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.8%3.1%4.4%5.6%6.9%8.2%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Norfolk County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
8%13%18%24%29%34%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
0%7%14%21%28%35%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
0%6%12%17%23%29%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
3.2%7.7%12.0%16.4%20.8%25.2%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
7.3%10.4%13.4%16.5%19.5%22.6%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
6.0%9.1%12.1%15.1%18.2%21.2%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
6.4%8.5%10.5%12.5%14.5%16.6%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.4%4.1%5.8%7.4%9.0%10.7%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.8%5.0%9.1%13.3%17.4%21.6%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Norfolk County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
1%9%17%25%33%41%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%14%27%41%55%69%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%8%16%23%31%39%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0%7%14%22%29%36%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
1%9%17%25%33%42%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%7%13%20%27%34%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%5%11%16%22%28%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0%5%11%16%22%27%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%10%19%29%39%49%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Norfolk County

There are 19 places in Norfolk County. This section compares all 19 of those to each other, Norfolk County, and other entities that contain or substantially overlap with Norfolk County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Norfolk County, selected places in Norfolk County, and entities that contain Norfolk County
0%10%20%30%Count#SharonMedfieldDoverNeedhamWellesleyFranklin TownMiltonWalpoleUnited States of AmericaUnited StatesMillis-ClicquotBraintree TownNorfolk CountyNorfolkNortheastMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaDedhamNorwoodWeymouth TownFoxboroughRandolphBellinghamBrooklineHolbrookQuincy31.843862%31.843862%31.8%1,860128.942966%28.942966%28.9%1,903228.862617%28.862617%28.9%708327.135612%27.135612%27.1%8,186426.493480%26.493480%26.5%7,659525.930095%25.930095%25.9%8,524624.576798%24.576798%24.6%6,722724.110163%24.110163%24.1%1,497823.108006%23.108006%23.1%73,612,43873.6M23.023001%23.023001%23.0%1,051922.716236%22.716236%22.7%8,4201021.676664%21.676664%21.7%149,833150k21.341491%21.341491%21.3%11,965,27112.0M20.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.318930%20.318930%20.3%5,1351119.949686%19.949686%19.9%5,7891219.449290%19.449290%19.4%10,81410.8k1319.267893%19.267893%19.3%1,0581419.146334%19.146334%19.1%6,4191519.122024%19.122024%19.1%1,0281618.180128%18.180128%18.2%10,75910.8k1716.760538%16.760538%16.8%1,8451816.259414%16.259414%16.3%15,17815.2k19
Count number of children
# rank of place out of 19 by %

Age Cohorts by County Subdivision in Norfolk County

There are 28 county subdivisions in Norfolk County. This section compares all 28 of those to each other, Norfolk County, and other entities that contain or substantially overlap with Norfolk County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Norfolk County, selected county subdivisions in Norfolk County, and entities that contain Norfolk County
0%10%20%30%Count#Town of MedfieldMedfieldTown of DoverTown of SharonSharonTown of NeedhamNeedhamTown of WestwoodWestwoodTown of CohassetCohassetTown of WellesleyWellesleyFranklin TownTown of MedwayMedwayTown of WrenthamWrenthamTown of MiltonMiltonTown of WalpoleWalpoleUnited States of AmericaUnited StatesBraintree TownTown of CantonCantonTown of FoxboroughFoxboroughTown of MillisMillisTown of NorfolkNorfolkNorfolk CountyNorfolkNortheastTown of BellinghamBellinghamTown of PlainvillePlainvilleMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaTown of DedhamDedhamTown of NorwoodNorwoodTown of StoughtonStoughtonWeymouth TownTown of RandolphRandolphTown of BrooklineBrooklineTown of AvonTown of HolbrookHolbrookQuincy30.471623%30.471623%30.5%3,812129.382674%29.382674%29.4%1,723228.280108%28.280108%28.3%5,145327.135612%27.135612%27.1%8,186426.789898%26.789898%26.8%4,116526.743627%26.743627%26.7%2,224626.493480%26.493480%26.5%7,659725.930095%25.930095%25.9%8,524825.671869%25.671869%25.7%3,372925.542106%25.542106%25.5%2,9331024.576798%24.576798%24.6%6,7221123.919239%23.919239%23.9%5,9591223.108006%23.108006%23.1%73,612,43873.6M22.716236%22.716236%22.7%8,4201322.489141%22.489141%22.5%5,0741422.417570%22.417570%22.4%3,8891522.194821%22.194821%22.2%1,8001622.158261%22.158261%22.2%2,5791721.676664%21.676664%21.7%149,833150k21.341491%21.341491%21.3%11,965,27112.0M21.107349%21.107349%21.1%3,5531820.670265%20.670265%20.7%1,8381920.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.318930%20.318930%20.3%5,1352019.949686%19.949686%19.9%5,7892119.847841%19.847841%19.8%5,6092219.449290%19.449290%19.4%10,81410.8k2319.146334%19.146334%19.1%6,4192418.180128%18.180128%18.2%10,75910.8k2516.912422%16.912422%16.9%7572616.760538%16.760538%16.8%1,8452716.259414%16.259414%16.3%15,17815.2k28
Count number of children
# rank of county subdivision out of 28 by %

Age Cohorts by County in the Boston Area

There are 7 counties in the Boston Area. This section compares Norfolk County to all of the counties in the Boston Area and to those entities that contain or substantially overlap with Norfolk County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Norfolk County, selected other counties in the Boston Area, and entities that contain Norfolk County
0%5%10%15%20%Count#United States of AmericaUnited StatesPlymouth CountyPlymouthEssex CountyEssexNorfolk CountyNorfolkNortheastRockingham CountyRockinghamMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexStrafford CountyStraffordSuffolk CountySuffolk23.108006%23.108006%23.1%73,612,43873.6M22.503982%22.503982%22.5%114,018114k122.027342%22.027342%22.0%169,470169k221.676664%21.676664%21.7%149,833150k321.341491%21.341491%21.3%11,965,27112.0M20.695487%20.695487%20.7%62,16262.2k420.624778%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%322,430322k519.436436%19.436436%19.4%24,47324.5k617.231044%17.231044%17.2%132,286132k7
Count number of children
# rank of county out of 7 by %

Age Cohorts by County in Massachusetts

There are 14 counties in Massachusetts. This section compares Norfolk County to all of the counties in Massachusetts and to those entities that contain or substantially overlap with Norfolk County.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Norfolk County, selected other counties in Massachusetts, and entities that contain Norfolk County
0%5%10%15%20%Count#United States of AmericaUnited StatesPlymouth CountyPlymouthHampden CountyHampdenWorcester CountyWorcesterEssex CountyEssexNorfolk CountyNorfolkNortheastBristol CountyBristolMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexNantucket CountyNantucketFranklin CountyFranklinDukes CountyDukesBerkshire CountyBerkshireSuffolk CountySuffolkBarnstable CountyBarnstableHampshire CountyHampshire23.108006%23.108006%23.1%73,612,43873.6M22.503982%22.503982%22.5%114,018114k122.460433%22.460433%22.5%105,131105k222.039629%22.039629%22.0%179,312179k322.027342%22.027342%22.0%169,470169k421.676664%21.676664%21.7%149,833150k521.341491%21.341491%21.3%11,965,27112.0M21.177109%21.177109%21.2%117,505118k620.624778%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%322,430322k719.945764%19.945764%19.9%2,133818.320266%18.320266%18.3%12,99213.0k918.171208%18.171208%18.2%3,1141017.955399%17.955399%18.0%23,08423.1k1117.231044%17.231044%17.2%132,286132k1215.949009%15.949009%15.9%34,24334.2k1315.525196%15.525196%15.5%25,00125.0k14
Count number of children
# rank of county out of 14 by %

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Norfolk County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Norfolk County. The least populous of the compared counties has a population of 941,618.

Children by County#68

Percentage of population aged 0 to 17 (%):
Scope: population of Norfolk County, selected other counties in the United States, and entities that contain Norfolk County
0%5%10%15%20%25%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsHillsborough CountyHillsboroughUnited States of AmericaUnited StatesSanta Clara CountySanta ClaraTravis CountyTravisOrange CountyOrangeWestchester CountyWestchesterFulton CountyFultonLos Angeles CountyLos AngelesOrange CountyOrangeCook CountyCookSt. Louis CountySt. LouisSan Diego CountySan DiegoSuffolk CountySuffolkHennepin CountyHennepinPhiladelphia CountyPhiladelphiaNassau CountyNassauOakland CountyOaklandPima CountyPimaNorfolk CountyNorfolkHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaAlameda CountyAlamedaNortheastKing CountyKingMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm Beach CountyPalm BeachAllegheny CountyAlleghenyNew York CountyNew York28.888866%28.888866%28.9%278,246278k128.329602%28.329602%28.3%309,506310k227.363518%27.363518%27.4%576,482576k327.228891%27.228891%27.2%1,207,3991.21M427.104397%27.104397%27.1%527,866528k526.929187%26.929187%26.9%676,745677k626.401700%26.401700%26.4%613,547614k726.219361%26.219361%26.2%487,339487k825.573137%25.573137%25.6%367,431367k925.043628%25.043628%25.0%1,023,9211.02M1024.990987%24.990987%25.0%249,554250k1124.574361%24.574361%24.6%248,637249k1224.468076%24.468076%24.5%233,745234k1324.396471%24.396471%24.4%360,897361k1424.179435%24.179435%24.2%427,394427k1523.983328%23.983328%24.0%271,704272k1623.862053%23.862053%23.9%493,981494k1723.668593%23.668593%23.7%291,625292k1823.577077%23.577077%23.6%222,006222k1923.549379%23.549379%23.5%241,704242k2023.527315%23.527315%23.5%260,665261k2123.337305%23.337305%23.3%608,369608k2223.197227%23.197227%23.2%306,913307k2323.108006%23.108006%23.1%73,612,43873.6M23.087802%23.087802%23.1%435,218435k2423.030006%23.030006%23.0%264,425264k2523.024375%23.024375%23.0%721,172721k2622.943185%22.943185%22.9%222,372222k2722.934276%22.934276%22.9%228,599229k2822.837323%22.837323%22.8%2,296,7852.30M2922.760229%22.760229%22.8%285,881286k3022.694997%22.694997%22.7%1,186,3981.19M3122.432138%22.432138%22.4%224,447224k3222.366565%22.366565%22.4%727,664728k3322.324565%22.324565%22.3%334,451334k3422.273612%22.273612%22.3%269,347269k3522.168125%22.168125%22.2%345,809346k3622.141419%22.141419%22.1%300,415300k3722.121412%22.121412%22.1%273,247273k3821.856045%21.856045%21.9%219,290219k3921.676664%21.676664%21.7%149,833150k21.601744%21.601744%21.6%213,209213k4021.598472%21.598472%21.6%402,548403k4121.569623%21.569623%21.6%271,499271k4221.443331%21.443331%21.4%344,212344k4321.341491%21.341491%21.3%11,965,27112.0M20.896492%20.896492%20.9%434,553435k4420.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4719.641010%19.641010%19.6%274,730275k4819.092867%19.092867%19.1%234,911235k4914.639548%14.639548%14.6%239,355239k50
Count number of children
# rank of county 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.

More Topics to Explore

Demographics

Income

Education

More Maps to Explore

Cities:
Braintree Town, Franklin Town, Quincy, Weymouth Town
Towns:
Avon, Bellingham, Brookline, Canton, Cohasset, Dedham, Dover, Foxborough, Holbrook, Medfield, Medway, Millis, Milton, Needham, Norfolk, Norwood, Plainville, Randolph, Sharon, Stoughton, Walpole, Wellesley, Westwood, Wrentham
Unincorporated Places:
Bellingham, Brookline, Dedham, Dover, Foxborough, Holbrook, Medfield, Millis-Clicquot, Milton, Needham, Norwood, Randolph, Sharon, Walpole, Wellesley
ZIP Codes:
02019, 02021, 02025, 02026, 02030, 02032, 02035, 02038, 02043, 02052, 02053, 02054, 02056, 02062, 02066, 02067, 02071, 02072, 02081, 02090, 02093, 02115, 02130, 02132, 02135, 02169, 02170, 02171, 02184, 02186, 02188, 02189, 02190, 02191, 02215, 02322, 02343, 02368, 02445, 02446, 02457, 02467, 02481, 02482, 02492, 02494, 02762
Unified School Districts:
Avon, Bellingham, Braintree, Brookline, Canton, Cohasset, Dedham, Foxborough, Franklin, Holbrook, Medfield, Medway, Millis, Milton, Needham, Norwood, Quincy, Randolph, Sharon, Stoughton, Walpole, Wellesley, Westwood, Weymouth
Elementary School Districts:
Dover, Norfolk, Plainville, Wrentham
Secondary School Districts:
Dover-Sherborn, King Philip
Congressional Districts:
MA-2, MA-4, MA-7, MA-8
Upper State Legislative Districts:
MA-Bristol and Norfolk, MA-1st Middlesex and Norfolk, MA-Norfolk and Plymouth, MA-Norfolk and Suffolk, MA-Norfolk, Bristol and Middlesex, MA-Norfolk, Bristol and Plymouth, MA-Plymouth and Norfolk, MA-2nd Middlesex and Norfolk, MA-Worcester and Norfolk
Lower State Legislative Districts:
MA-1st Bristol, MA-1st Norfolk, MA-2nd Norfolk, MA-3rd Norfolk, MA-3rd Plymouth, MA-4th Norfolk, MA-5th Middlesex, MA-5th Norfolk, MA-6th Norfolk, MA-7th Norfolk, MA-8th Norfolk, MA-8th Worcester, MA-9th Norfolk, MA-10th Norfolk, MA-10th Suffolk, MA-10th Worcester, MA-11th Norfolk, MA-12th Norfolk, MA-12th Suffolk, MA-13th Norfolk, MA-13th Suffolk, MA-14th Norfolk, MA-15th Norfolk, MA-15th Suffolk, MA-18th Suffolk
Neighboring Counties:
Bristol, Middlesex, Plymouth, Providence, Suffolk, Worcester
Nearby Counties:
Bristol, Dukes, Essex, Hillsborough, Kent, Newport, Rockingham, Washington, Windham