Age and Sex in Waltham School District, Massachusetts (Unified School District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the unified school districts in Massachusetts.
Scope: population of Massachusetts, Waltham School District, and other unified school districts in Massachusetts
Waltham
Massachusetts
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%2.5%3.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41,4332.286%2.29%1,1061.764%1.76%1,5212.426%2.43%1,6342.606%2.61%1,4262.274%2.27%1,1981.911%1.91%1,6742.670%2.67%1,4812.362%2.36%3,5385.643%5.64%3,4635.523%5.52%3,7355.957%5.96%3,7866.038%6.04%4,0316.429%6.43%6,2289.933%9.93%6,44610.281%10.3%3,7605.997%6.00%1,6502.632%2.63%1,9283.075%3.08%3,9256.260%6.26%1,1131.775%1.78%1,9963.183%3.18%2,3293.715%3.71%3,2985.260%5.26%
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 Waltham School District
Female Male
Massachusetts
Waltham
Shaded bar tips show excess over facing bar.
1%0%1%Count%Senior2Older Adult3Younger Adult4College5Children6-0.156524%-0.055468%-0.179173%-0.060528%-0.211992%0.2%0.156524%0.179173%0.156524%0.2%8,31813.267%13.3%-0.557776%-0.012185%-0.662237%-0.044052%-0.569961%0.6%0.557776%0.662237%0.557776%0.6%17,67717.7k28.193%28.2%-0.897941%-0.660381%-0.006144%-0.897941%0.9%0.897941%0.017456%0.660381%0.915396%0.9%20,46520.5k32.640%32.6%-1.479290%-0.033095%-0.766222%-0.017135%-1.512385%1.5%1.479290%0.766222%1.479290%1.5%7,50311.967%12.0%-0.379148%-0.015772%-0.560616%-0.394920%0.4%0.379148%0.560616%0.024588%0.379148%0.4%8,73613.933%13.9%
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 Waltham School District
Female Male
Massachusetts
Waltham
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.047050%-0.048745%-0.046447%-0.050660%-0.095795%0.1%0.047050%0.046447%0.047050%0.0%1,4332.286%2.29%-0.135887%-0.081022%-0.156508%-0.083152%-0.216909%0.2%0.135887%0.156508%0.135887%0.1%1,1061.764%1.76%-0.210849%-0.063478%-0.213469%-0.064537%-0.274327%0.3%0.210849%0.213469%0.210849%0.2%1,5212.426%2.43%-0.239876%-0.041468%-0.316024%-0.068770%-0.281344%0.3%0.239876%0.316024%0.239876%0.2%1,6342.606%2.61%-0.347161%-0.063797%-0.419753%-0.055660%-0.410958%0.4%0.347161%0.419753%0.347161%0.3%1,4262.274%2.27%-0.453755%-0.047848%-0.508903%-0.059595%-0.501603%0.5%0.453755%0.508903%0.453755%0.5%1,1981.911%1.91%-0.434882%-0.557414%-0.061316%-0.434882%0.4%0.434882%0.020202%0.557414%0.455084%0.5%1,6742.670%2.67%-0.515160%-0.150720%-0.618023%-0.051178%-0.665880%0.7%0.515160%0.618023%0.515160%0.5%1,4812.362%2.36%-0.546101%-0.036364%-0.676577%-0.048367%-0.582465%0.6%0.546101%0.676577%0.546101%0.5%3,5385.643%5.64%-0.523772%-0.057098%-0.731910%-0.039160%-0.580871%0.6%0.523772%0.731910%0.523772%0.5%3,4635.523%5.52%-0.583103%-0.025200%-0.689914%-0.038463%-0.608303%0.6%0.583103%0.689914%0.583103%0.6%3,7355.957%5.96%-0.550886%-0.631126%-0.037009%-0.550886%0.6%0.550886%0.105903%0.631126%0.656789%0.7%3,7866.038%6.04%-0.627761%-0.584959%-0.018190%-0.627761%0.6%0.627761%0.030304%0.584959%0.658065%0.7%4,0316.429%6.43%-0.874336%-0.656156%-0.013040%-0.874336%0.9%0.874336%0.237962%0.656156%1.112298%1.1%6,2289.933%9.93%-0.975454%-0.105265%-0.710160%-0.001522%-1.080719%1.1%0.975454%0.710160%0.975454%1.0%6,44610.281%10.3%-0.916017%-0.166935%-0.692436%-1.082952%1.1%0.916017%0.692436%0.017724%0.916017%0.9%3,7605.997%6.00%-1.291887%-0.047848%-0.752120%-0.019044%-1.339734%1.3%1.291887%0.752120%1.291887%1.3%1,6502.632%2.63%-1.492847%-0.776860%-0.012993%-1.492847%1.5%1.492847%0.089316%0.776860%1.582162%1.6%1,9283.075%3.08%-1.521555%-0.086923%-0.767953%-0.018251%-1.608479%1.6%1.521555%0.767953%1.521555%1.5%3,9256.260%6.26%-0.286554%-0.606894%-0.286554%0.3%0.286554%0.018607%0.606894%0.030020%0.305162%0.3%1,1131.775%1.78%-0.298250%-0.579863%-0.298250%0.3%0.298250%0.040192%0.579863%0.030477%0.338442%0.3%1,9963.183%3.18%-0.363642%-0.546764%-0.363642%0.4%0.363642%0.015630%0.546764%0.016321%0.379272%0.4%2,3293.715%3.71%-0.464122%-0.123766%-0.527455%-0.587888%0.6%0.464122%0.527455%0.023708%0.464122%0.5%3,2985.260%5.26%
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 Waltham School District
More Females More Males
Massachusetts
Waltham
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-103.601695%-109.071132%-103.601695%103.6%0.4910.4967.062%67.1%32.938%32.9%-59.624413%-53.129265%-59.624413%59.6%0.6260.6361.483%61.5%38.517%38.5%-30.105900%-30.232623%-30.105900%30.1%0.7690.7756.542%56.5%43.458%43.5%-17.287234%-21.761128%-17.287234%17.3%0.8530.8553.978%54.0%46.022%46.0%-18.376723%-13.260150%-18.376723%18.4%0.8450.8454.208%54.2%45.792%45.8%-10.544815%-11.710530%-10.544815%10.5%0.9050.9052.504%52.5%47.496%47.5%-11.000044%4.645477%4.645477%4.6%1.0461.0548.865%48.9%51.135%51.1%-29.256966%-8.280935%-29.256966%29.3%0.7740.7756.381%56.4%43.619%43.6%-6.658879%-7.148839%-6.658879%6.7%0.9380.9451.611%51.6%48.389%48.4%-10.901340%-5.350340%-10.901340%10.9%0.9020.9052.584%52.6%47.416%47.4%-4.321663%-5.574976%-4.321663%4.3%0.9590.9651.058%51.1%48.942%48.9%-5.863967%19.224088%19.224088%19.2%1.1921.1945.615%45.6%54.385%54.4%-3.109628%4.827236%4.827236%4.8%1.0481.0548.822%48.8%51.178%51.2%-1.987387%27.216344%27.216344%27.2%1.2721.2744.011%44.0%55.989%56.0%-10.791367%-0.214286%-10.791367%10.8%0.9030.9052.560%52.6%47.440%47.4%-18.224028%-18.224028%18.2%2.559709%0.8460.8554.176%54.2%45.824%45.8%-3.703704%-2.532095%-3.703704%3.7%0.9640.9650.909%50.9%49.091%49.1%-1.672490%5.982906%5.982906%6.0%1.0601.0648.548%48.5%51.452%51.5%-5.712788%-2.376561%-5.712788%5.7%0.9460.9551.389%51.4%48.611%48.6%6.493506%4.946519%6.493506%6.5%1.0651.0648.428%48.4%51.572%51.6%13.475936%5.255888%13.475936%13.5%1.1351.1346.844%46.8%53.156%53.2%4.298246%2.985058%4.298246%4.3%1.0431.0448.948%48.9%51.052%51.1%-26.666667%-26.666667%26.7%4.494711%0.7890.7955.882%55.9%44.118%44.1%
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 Tract in Waltham School District

Children Age Cohorts by Tract#5

Percentage of population aged 0 to 17 (%):
6.2%8.9%11.6%14.3%17.0%19.7%

College Age Cohorts by Tract#6

Percentage of population aged 18 to 21 (%):
1%8%14%21%27%34%

20s Age Cohorts by Tract#7

Percentage of population aged 22 to 29 (%):
7.7%11.0%14.3%17.5%20.8%24.1%

30s Age Cohorts by Tract#8

Percentage of population aged 30 to 39 (%):
8.2%11.6%15.0%18.3%21.7%25.1%

40s Age Cohorts by Tract#9

Percentage of population aged 40 to 49 (%):
8.0%9.8%11.6%13.4%15.2%17.0%

50s Age Cohorts by Tract#10

Percentage of population aged 50 to 59 (%):
7.6%9.1%10.6%12.1%13.6%15.1%

60s Age Cohorts by Tract#11

Percentage of population aged 60 to 69 (%):
4.6%6.6%8.5%10.5%12.4%14.4%

70s Age Cohorts by Tract#12

Percentage of population aged 70 to 79 (%):
2.1%3.3%4.4%5.6%6.7%7.9%

80+ Age Cohorts by Tract#13

Percentage of population aged 80 and older (%):
1.3%3.9%6.5%9.0%11.6%14.2%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Waltham School District

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
3%9%14%20%25%31%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
0%15%30%45%60%75%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
0%9%19%28%37%47%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
0%8%16%24%32%41%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
1.6%5.7%9.7%13.8%17.8%21.9%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
1%7%13%18%24%30%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
2%10%17%25%32%40%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
0.0%3.1%6.1%9.2%12.2%15.3%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
0.0%3.2%6.3%9.5%12.7%15.9%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Waltham School District

There is 1 place in Waltham School District. This section compares all 1 of those to each other, Waltham School District, and other entities that contain or substantially overlap with Waltham School District.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Waltham School District, selected places in Waltham School District, and entities that contain Waltham School District
0%5%10%15%20%Count#United States of AmericaUnited StatesNortheastMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexWalthamWaltham School DistrictWaltham23.108006%23.108006%23.1%73,612,43873.6M21.341491%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%974,672975k20.568254%20.568254%20.6%322,430322k13.933237%13.933237%13.9%8,73613.933237%13.933237%13.9%8,736
Count number of children
# rank of place out of 1 by %

Age Cohorts by County Subdivision in Waltham School District

There is 1 county subdivision in Waltham School District. This section compares all 1 of those to each other, Waltham School District, and other entities that contain or substantially overlap with Waltham School District.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Waltham School District, selected county subdivisions in Waltham School District, and entities that contain Waltham School District
0%5%10%15%20%Count#United States of AmericaUnited StatesNortheastMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexWalthamWaltham School DistrictWalthamWaltham23.108006%23.108006%23.1%73,612,43873.6M21.341491%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%974,672975k20.568254%20.568254%20.6%322,430322k13.933237%13.933237%13.9%8,73613.933237%13.933237%13.9%8,73613.933237%13.933237%13.9%8,7361
Count number of children
# rank of county subdivision out of 1 by %

Age Cohorts by Unified School District in Massachusetts

There are 294 unified school districts in Massachusetts. This section compares Waltham School District to the 50 most populous unified school districts in Massachusetts and to those entities that contain or substantially overlap with Waltham School District. The least populous of the compared unified school districts has a population of 34,963.

Children by Unified School District#41

Percentage of population aged 0 to 17 (%):
Scope: population of Waltham School District, selected other unified school districts in Massachusetts, and entities that contain Waltham School District
0%10%20%Count#Lawrence School DistrictLawrenceSpringfield School DistrictSpringfieldBrockton School DistrictBrocktonLynn School DistrictLynnChelsea School DistrictChelseaAndover School DistrictAndoverShrewsbury School DistrictShrewsburyNatick School DistrictNatickHolyoke School DistrictHolyokeWachusett School DistrictWachusettAttleboro School DistrictAttleboroEverett School DistrictEverettMethuen School DistrictMethuenUnited States of AmericaUnited StatesLowell School DistrictLowellFitchburg School DistrictFitchburgBraintree School DistrictBraintreeNew Bedford School DistrictNew BedfordNewton School DistrictNewtonHaverhill School DistrictHaverhillLeominster School DistrictLeominsterMarlborough School DistrictMarlboroughNortheastArlington School DistrictArlingtonMassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexTaunton School DistrictTauntonWorcester School DistrictWorcesterBillerica School DistrictBillericaFramingham School DistrictFraminghamFall River School DistrictFall RiverBridgewater-Raynham School DistrictBridgewater-Raynh…Woburn School DistrictWoburnPlymouth School DistrictPlymouthChicopee School DistrictChicopeePittsfield School DistrictPittsfieldWeymouth School DistrictWeymouthWestfield School DistrictWestfieldRevere School DistrictRevereMalden School DistrictMaldenBrookline School DistrictBrooklinePeabody School DistrictPeabodyBeverly School DistrictBeverlySalem School DistrictSalemBarnstable School DistrictBarnstableBoston School DistrictBostonQuincy School DistrictQuincyMedford School DistrictMedfordWalthamWaltham School DistrictWalthamDennis-Yarmouth School DistrictDennis-YarmouthSomerville School DistrictSomervilleCambridge School DistrictCambridgeAmherst-Pelham School DistrictAmherst-PelhamAmherst School DistrictAmherst27.026482%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%9,725923.917497%23.917497%23.9%10,27410.3k1023.755128%23.755128%23.8%10,48110.5k1123.568420%23.568420%23.6%10,52010.5k1223.181698%23.181698%23.2%11,36911.4k1323.108006%23.108006%23.1%73,612,43873.6M22.776711%22.776711%22.8%25,02525.0k1422.764027%22.764027%22.8%9,2061522.716236%22.716236%22.7%8,4201622.523898%22.523898%22.5%21,39521.4k1722.483780%22.483780%22.5%19,85719.9k1822.111004%22.111004%22.1%13,78413.8k1921.639551%21.639551%21.6%8,9382021.388292%21.388292%21.4%8,4582121.341491%21.341491%21.3%11,965,27112.0M21.311475%21.311475%21.3%9,4642220.624778%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%17,98718.0k2720.014606%20.014606%20.0%8,2222819.538501%19.538501%19.5%7,6632919.535866%19.535866%19.5%11,37311.4k3019.524064%19.524064%19.5%10,95311.0k3119.510909%19.510909%19.5%8,5133219.449290%19.449290%19.4%10,81410.8k3319.351106%19.351106%19.4%8,0283418.927866%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%7,5214116.549062%16.549062%16.5%108,939109k4216.259414%16.259414%16.3%15,17815.2k4314.916055%14.916055%14.9%8,5294413.933237%13.933237%13.9%8,73613.933237%13.933237%13.9%8,7364513.281935%13.281935%13.3%4,9964612.050511%12.050511%12.1%9,5814711.826365%11.826365%11.8%12,86212.9k489.964731%9.964731%10.0%4,464498.730239%8.730239%8.7%3,46850
Count number of children
# rank of unified school district 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
Cities:
Waltham
ZIP Codes:
02451, 02452, 02453, 02472
Congressional District:
MA-5
Upper State Legislative District:
MA-3rd Middlesex
Lower State Legislative Districts:
MA-9th Middlesex, MA-10th Middlesex
Neighboring Unified School Districts:
Belmont, Lexington, Newton, Watertown, Weston
Nearby Unified School Districts:
Arlington, Bedford, Brookline, Cambridge, Medford, Needham, Somerville, Wayland, Wellesley, Winchester