Age and Sex in Tract 368700, Middlesex County, Massachusetts (Tract)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the tracts in Middlesex County.
Scope: population of Middlesex County, Tract 368700, and other tracts in Middlesex County
Tract 368700
Middlesex County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%1%2%3%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4230.965%0.97%180.755%0.76%341.427%1.43%170.713%0.71%110.462%0.46%552.308%2.31%632.644%2.64%110.462%0.46%1556.504%6.50%1395.833%5.83%1506.295%6.29%2018.435%8.43%1556.504%6.50%42817.961%18.0%32313.554%13.6%1415.917%5.92%180.755%0.76%441.846%1.85%150.629%0.63%964.029%4.03%361.511%1.51%984.112%4.11%1526.379%6.38%
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 Tract 368700
Female Male
Middlesex County
Tract 368700
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%Senior2Older Adult3Younger Adult4College5Children6-0.062946%-0.058283%-0.166513%-0.056870%-0.121229%0.12%0.062946%0.166513%0.062946%0.06%1586.630%6.63%-0.553924%-0.663083%-0.038374%-0.553924%0.55%0.553924%0.099035%0.663083%0.652958%0.65%71930.172%30.2%-1.216953%-0.711150%-1.216953%1.22%1.216953%0.006994%0.711150%0.005727%1.223947%1.22%1,04743.936%43.9%-0.398657%-0.010491%-0.683668%-0.409148%0.41%0.398657%0.683668%0.027032%0.398657%0.40%773.231%3.23%-0.373013%-0.559730%-0.373013%0.37%0.373013%0.144542%0.559730%0.023220%0.517555%0.52%38216.030%16.0%
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 Tract 368700
Female Male
Middlesex County
Tract 368700
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.002623%-0.055078%-0.043661%-0.043992%-0.057700%0.1%0.002623%0.043661%0.002623%0.0%230.965%0.97%-0.050357%-0.050357%-0.146963%-0.082163%-0.100713%0.1%0.050357%0.146963%0.050357%0.1%180.755%0.76%-0.117499%-0.050357%-0.207871%-0.059377%-0.167856%0.2%0.117499%0.207871%0.117499%0.1%341.427%1.43%-0.041964%-0.058749%-0.288720%-0.050727%-0.100713%0.1%0.041964%0.288720%0.041964%0.0%170.713%0.71%-0.013988%-0.125892%-0.372563%-0.092689%-0.139880%0.1%0.013988%0.372563%0.013988%0.0%110.462%0.46%-0.566513%-0.020982%-0.480221%-0.052022%-0.587495%0.6%0.566513%0.480221%0.566513%0.6%552.308%2.31%-0.377675%-0.514116%-0.077825%-0.377675%0.4%0.377675%0.125892%0.514116%0.503567%0.5%632.644%2.64%-0.000000%-0.599862%-0.016394%0.000000%0.0%0.000000%0.230802%0.599862%0.230802%0.2%110.462%0.46%-0.562316%-0.658990%-0.040354%-0.562316%0.6%0.562316%0.176248%0.658990%0.738565%0.7%1556.504%6.50%-0.545531%-0.729914%-0.033133%-0.545531%0.5%0.545531%0.075535%0.729914%0.621066%0.6%1395.833%5.83%-0.469996%-0.703287%-0.032993%-0.469996%0.5%0.469996%0.318926%0.703287%0.788922%0.8%1506.295%6.29%-0.721779%-0.243391%-0.674811%-0.032138%-0.965170%1.0%0.721779%0.674811%0.721779%0.7%2018.435%8.43%-0.201427%-0.898028%-0.636676%-1.099454%1.1%0.201427%0.636676%0.001454%0.201427%0.2%1556.504%6.50%-1.015527%-0.740694%-1.015527%1.0%1.015527%1.561057%0.740694%0.004453%2.576584%2.6%42817.961%18.0%-1.107847%-0.495174%-0.768405%-1.603021%1.6%1.107847%0.768405%0.005512%1.107847%1.1%32313.554%13.6%-0.867254%-0.237795%-0.690605%-1.105050%1.1%0.867254%0.690605%0.015331%0.867254%0.9%1415.917%5.92%-0.000000%-0.634086%0.000000%0.0%0.000000%0.755350%0.634086%0.024241%0.755350%0.8%180.755%0.76%-0.839278%-0.167856%-0.648439%-1.007134%1.0%0.839278%0.648439%0.046313%0.839278%0.8%441.846%1.85%-0.000000%-0.314729%-0.726073%-0.314729%0.3%0.000000%0.726073%0.018787%0.000000%0.0%150.629%0.63%-0.279759%-0.586774%-0.279759%0.3%0.279759%0.783326%0.586774%0.031407%1.063086%1.1%964.029%4.03%-0.125892%-0.050357%-0.574671%-0.176248%0.2%0.125892%0.574671%0.012835%0.125892%0.1%361.511%1.51%-0.234998%-0.539547%-0.234998%0.2%0.234998%0.352497%0.539547%0.031959%0.587495%0.6%984.112%4.11%-0.511960%-0.251783%-0.548746%-0.763743%0.8%0.511960%0.548746%0.019954%0.511960%0.5%1526.379%6.38%
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 Tract 368700
More Females More Males
Middlesex County
Tract 368700
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6455-5950-5445-4940-4435-3930-3425-2922-242018-1915-1710-145-90-4-1,000.000000%-100.757922%-1,000.000000%> 1000%0.0450.0595.652%95.7%4.348%4.35%-100.000000%-55.907631%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%-42.857143%-28.564414%-42.857143%42.9%0.7000.7058.824%58.8%41.176%41.2%-140.000000%-17.569598%-140.000000%140.0%0.4170.4270.588%70.6%29.412%29.4%-900.000000%-24.878717%-900.000000%900.0%0.1000.1090.909%90.9%9.091%9.09%-3.703704%-10.832891%-3.703704%3.7%0.9640.9650.909%50.9%49.091%49.1%-15.137729%33.333333%33.333333%33.3%1.3331.3342.857%42.9%57.143%57.1%-6.123674%31.343284%31.343284%31.3%1.3131.3143.226%43.2%56.774%56.8%-4.539337%13.846154%13.846154%13.8%1.1381.1446.763%46.8%53.237%53.2%-4.691242%67.857143%67.857143%67.9%1.6791.6837.333%37.3%62.667%62.7%-33.720930%-4.762535%-33.720930%33.7%0.7480.7557.214%57.2%42.786%42.8%-445.833333%-445.833333%445.8%0.228443%0.1830.1884.516%84.5%15.484%15.5%153.719008%0.601144%153.719008%153.7%2.5372.5428.271%28.3%71.729%71.7%-44.696970%-44.696970%44.7%0.717274%0.6910.6959.133%59.1%40.867%40.9%-27.419355%-27.419355%27.4%2.219964%0.7850.7856.028%56.0%43.972%44.0%-20.000000%-20.000000%20.0%7.142154%0.8330.8354.545%54.5%45.455%45.5%-1,000.000000%-1,000.000000%> 1000%2.587419%0.0000100.000%100%0.000%0%280.000000%5.352419%280.000000%280.0%3.8003.8020.833%20.8%79.167%79.2%-40.000000%-40.000000%40.0%2.233421%0.7140.7158.333%58.3%41.667%41.7%150.000000%5.923386%150.000000%150.0%2.5002.5028.571%28.6%71.429%71.4%-49.180328%-49.180328%49.2%3.636279%0.6700.6759.868%59.9%40.132%40.1%
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 Block Group in Tract 368700

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
15.943%15.978%16.013%16.048%16.083%16.119%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
0.5%1.6%2.7%3.7%4.8%5.9%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
18.39%18.82%19.25%19.68%20.11%20.54%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
20.6%22.2%23.7%25.3%26.8%28.4%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
14.00%14.30%14.58%14.87%15.16%15.45%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
10.9%11.5%12.1%12.6%13.1%13.7%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
5.59%5.71%5.82%5.93%6.05%6.17%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
2.025%2.071%2.117%2.162%2.208%2.254%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
0.0%0.7%1.4%2.1%2.7%3.4%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Tract 368700

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%9%18%26%35%44%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0.0%2.6%5.3%7.9%10.5%13.2%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0%10%20%30%40%50%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
4%13%22%32%41%50%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%7%14%21%28%35%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0.0%3.2%6.4%9.6%12.8%16.0%

60s Age Cohorts by Block#20

Percentage of population aged 60 to 69 (%):
0.0%4.0%8.0%12.0%16.0%20.0%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0.0%3.0%6.0%9.1%12.1%15.1%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0.0%2.5%5.0%7.5%10.0%12.5%
Road Data ©OpenStreetMap

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Age Cohorts by Tract in Middlesex County

There are 318 tracts in Middlesex County. This section compares Tract 368700 to the 50 most populous tracts in Middlesex County and to those entities that contain or substantially overlap with Tract 368700. The least populous of the compared tracts has a population of 6,746.

Children by Tract#23

Percentage of population aged 0 to 17 (%):
Scope: population of Tract 368700, selected other tracts in Middlesex County, and entities that contain Tract 368700
0%10%20%30%Count#365100Tract 365100318100Tract 318100367200Tract 367200320104Tract 320104318300Tract 318300334100Tract 334100334300Tract 334300323100Tract 323100385100Tract 385100321300Tract 321300359300Tract 359300321500Tract 321500331300Tract 331300342300Tract 342300330100Tract 330100333600Tract 333600342400Tract 342400342500Tract 342500United States of AmericaUnited States331102Tract 331102356500Tract 356500383901Tract 383901356400Tract 356400370101Tract 370101326102Tract 326102332300Tract 332300341902Tract 341902314301Tract 314301Northeast350104Tract 350104316300Tract 316300314102Tract 314102385202Tract 385202MassachusettsNew EnglandBoston, Cambridge, and Newton Metro AreaBoston Area315200Tract 315200Middlesex CountyMiddlesex321600Tract 321600330200Tract 330200315500Tract 315500341400Tract 341400316400Tract 316400321100Tract 321100361200Tract 361200325100Tract 325100356702Tract 356702332200Tract 332200341200Tract 341200316102Tract 316102333100Tract 333100388200Tract 388200368700Tract 368700ZIP Code 02453ZIP 02453Waltham School DistrictWalthamWaltham370102Tract 370102368400Tract 368400351000Tract 351000368901Tract 36890131.816448%31.816448%31.8%2,503130.251748%30.251748%30.3%2,163229.004004%29.004004%29.0%2,318328.146366%28.146366%28.1%2,223427.574300%27.574300%27.6%2,236527.196249%27.196249%27.2%1,972627.133508%27.133508%27.1%2,073726.910488%26.910488%26.9%1,891825.672372%25.672372%25.7%1,785925.024740%25.024740%25.0%2,0231024.983009%24.983009%25.0%1,8381124.963250%24.963250%25.0%1,8681224.206897%24.206897%24.2%1,7551324.049096%24.049096%24.0%1,7831423.928981%23.928981%23.9%2,0891523.467579%23.467579%23.5%1,8531623.444840%23.444840%23.4%1,6471723.361323%23.361323%23.4%1,8641823.108006%23.108006%23.1%73,612,43873.6M23.003985%23.003985%23.0%1,6741922.964817%22.964817%23.0%1,5602022.960762%22.960762%23.0%1,8552122.840924%22.840924%22.8%1,6902222.824238%22.824238%22.8%1,7442322.665706%22.665706%22.7%1,5732422.020725%22.020725%22.0%1,5302521.973358%21.973358%22.0%1,8642621.486898%21.486898%21.5%1,7632721.341491%21.341491%21.3%11,965,27112.0M21.004810%21.004810%21.0%1,5722820.929412%20.929412%20.9%1,7792920.811983%20.811983%20.8%1,5843020.721976%20.721976%20.7%1,6363120.624778%20.624778%20.6%1,390,5521.39M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.579636%20.579636%20.6%1,6193220.568254%20.568254%20.6%322,430322k20.337478%20.337478%20.3%1,6033320.219389%20.219389%20.2%1,3643420.173171%20.173171%20.2%1,5613520.023182%20.023182%20.0%1,3823619.759966%19.759966%19.8%1,3833719.696528%19.696528%19.7%1,3503819.634032%19.634032%19.6%1,4703919.586329%19.586329%19.6%1,5534019.486884%19.486884%19.5%1,3524118.308867%18.308867%18.3%1,5594217.954693%17.954693%18.0%1,3874317.401598%17.401598%17.4%1,1764416.770980%16.770980%16.8%1,3134516.130768%16.130768%16.1%1,1994616.030214%16.030214%16.0%38214.420973%14.420973%14.4%4,21913.933237%13.933237%13.9%8,73613.933237%13.933237%13.9%8,73613.383298%13.383298%13.4%1,0004710.336950%10.336950%10.3%905489.893396%9.893396%9.9%761497.957079%7.957079%8.0%57150
Count number of children
# rank of tract 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
City:
Waltham
ZIP Code:
02453
Unified School District:
Waltham
Congressional District:
MA-5
Upper State Legislative District:
MA-3rd Middlesex
Lower State Legislative District:
MA-10th Middlesex
Block Groups:
Block Group 368700-1, Block Group 368700-2
Neighboring Tracts:
Tract 368500, Tract 368600, Tract 368800, Tract 374500, Tract 374600