Age and Sex in Nantucket 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, Nantucket County, and other counties in Massachusetts
Nantucket County
Massachusetts
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41591.487%1.49%1611.506%1.51%2732.553%2.55%3523.292%3.29%3293.076%3.08%2252.104%2.10%3863.610%3.61%3293.076%3.08%7326.845%6.84%8367.817%7.82%7507.013%7.01%7206.733%6.73%7987.462%7.46%1,0569.875%9.87%6796.349%6.35%3323.105%3.10%1461.365%1.37%670.627%0.63%2312.160%2.16%2892.702%2.70%5955.564%5.56%7016.555%6.56%5485.124%5.12%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Massachusetts and Nantucket County
Female Male
Massachusetts
Nantucket County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.186501%-0.016364%-0.179173%-0.060528%-0.202866%0.20%0.186501%0.179173%0.186501%0.19%1,49914.017%14.0%-0.639985%-0.662237%-0.044052%-0.639985%0.64%0.639985%0.123808%0.662237%0.763793%0.76%3,75335.094%35.1%-0.613012%-0.660381%-0.006144%-0.613012%0.61%0.613012%0.262349%0.660381%0.875361%0.88%2,86526.791%26.8%-0.507294%-0.023378%-0.766222%-0.017135%-0.530671%0.53%0.507294%0.766222%0.507294%0.51%4444.152%4.15%-0.553789%-0.000520%-0.560616%-0.554309%0.55%0.553789%0.560616%0.024588%0.553789%0.55%2,13319.946%19.9%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Massachusetts and Nantucket County
Female Male
Massachusetts
Nantucket County
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.023962%-0.045002%-0.046447%-0.050660%-0.068964%0.07%0.023962%0.046447%0.023962%0.02%1591.487%1.49%-0.125304%-0.156508%-0.083152%-0.125304%0.13%0.125304%0.050496%0.156508%0.175800%0.18%1611.506%1.51%-0.216944%-0.076679%-0.213469%-0.064537%-0.293623%0.29%0.216944%0.213469%0.216944%0.22%2732.553%2.55%-0.286142%-0.316024%-0.068770%-0.286142%0.29%0.286142%0.086030%0.316024%0.372171%0.37%3523.292%3.29%-0.408329%-0.419753%-0.055660%-0.408329%0.41%0.408329%0.208840%0.419753%0.617169%0.62%3293.076%3.08%-0.327286%-0.397419%-0.508903%-0.059595%-0.724705%0.72%0.327286%0.508903%0.327286%0.33%2252.104%2.10%-0.533009%-0.557414%-0.061316%-0.533009%0.53%0.533009%0.137149%0.557414%0.670158%0.67%3863.610%3.61%-0.701328%-0.618023%-0.051178%-0.701328%0.70%0.701328%0.135590%0.618023%0.836918%0.84%3293.076%3.08%-0.675145%-0.018702%-0.676577%-0.048367%-0.693847%0.69%0.675145%0.676577%0.675145%0.68%7326.845%6.84%-0.763045%-0.731910%-0.039160%-0.763045%0.76%0.763045%0.037404%0.731910%0.800449%0.80%8367.817%7.82%-0.632130%-0.689914%-0.038463%-0.632130%0.63%0.632130%0.138395%0.689914%0.770526%0.77%7507.013%7.01%-0.510567%-0.631126%-0.037009%-0.510567%0.51%0.510567%0.325416%0.631126%0.835983%0.84%7206.733%6.73%-0.635871%-0.584959%-0.018190%-0.635871%0.64%0.635871%0.220684%0.584959%0.856555%0.86%7987.462%7.46%-0.826632%-0.656156%-0.013040%-0.826632%0.83%0.826632%0.321676%0.656156%1.148307%1.15%1,0569.875%9.87%-0.299233%-0.710160%-0.001522%-0.299233%0.30%0.299233%0.671405%0.710160%0.970638%0.97%6796.349%6.35%-0.292999%-0.448850%-0.692436%-0.741849%0.74%0.292999%0.692436%0.017724%0.292999%0.29%3323.105%3.10%-0.467552%-0.430148%-0.752120%-0.019044%-0.897700%0.90%0.467552%0.752120%0.467552%0.47%1461.365%1.37%-0.308584%-0.009351%-0.776860%-0.012993%-0.317935%0.32%0.308584%0.776860%0.308584%0.31%670.627%0.63%-0.453525%-0.767953%-0.018251%-0.453525%0.45%0.453525%0.172994%0.767953%0.626520%0.63%2312.160%2.16%-0.411446%-0.077925%-0.606894%-0.489371%0.49%0.411446%0.606894%0.030020%0.411446%0.41%2892.702%2.70%-0.450720%-0.211333%-0.579863%-0.662053%0.66%0.450720%0.579863%0.030477%0.450720%0.45%5955.564%5.56%-0.598466%-0.546764%-0.598466%0.60%0.598466%0.114083%0.546764%0.016321%0.712549%0.71%7016.555%6.56%-0.441369%-0.527455%-0.441369%0.44%0.441369%0.142136%0.527455%0.023708%0.583505%0.58%5485.124%5.12%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Massachusetts and Nantucket County
More Females More Males
Massachusetts
Nantucket County
100%0%100%200%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-187.804878%-109.071132%-187.804878%187.8%0.3470.3574.214%74.2%25.786%25.8%-53.129265%40.298507%40.298507%40.3%1.4031.4041.615%41.6%58.385%58.4%-35.344828%-30.232623%-35.344828%35.3%0.7390.7457.509%57.5%42.491%42.5%-21.761128%30.065359%30.065359%30.1%1.3011.3043.466%43.5%56.534%56.5%-13.260150%51.145038%51.145038%51.1%1.5111.5139.818%39.8%60.182%60.2%-121.428571%-11.710530%-121.428571%121.4%0.4520.4568.889%68.9%31.111%31.1%-11.000044%25.730994%25.730994%25.7%1.2571.2644.301%44.3%55.699%55.7%-8.280935%19.333333%19.333333%19.3%1.1931.1945.593%45.6%54.407%54.4%-2.770083%-7.148839%-2.770083%2.8%0.9730.9750.683%50.7%49.317%49.3%-5.350340%4.901961%4.901961%4.9%1.0491.0548.804%48.8%51.196%51.2%-5.574976%21.893491%21.893491%21.9%1.2191.2245.067%45.1%54.933%54.9%-5.863967%63.736264%63.736264%63.7%1.6371.6437.917%37.9%62.083%62.1%-3.109628%34.705882%34.705882%34.7%1.3471.3542.607%42.6%57.393%57.4%-1.987387%38.914027%38.914027%38.9%1.3891.3941.856%41.9%58.144%58.1%-0.214286%224.375000%224.375000%224.4%3.2443.2423.564%23.6%76.436%76.4%-153.191489%-153.191489%153.2%2.559709%0.3950.3971.687%71.7%28.313%28.3%-92.000000%-2.532095%-92.000000%92.0%0.5210.5265.753%65.8%34.247%34.2%-3.030303%-1.672490%-3.030303%3.0%0.9710.9750.746%50.7%49.254%49.3%-2.376561%38.144330%38.144330%38.1%1.3811.3841.991%42.0%58.009%58.0%-18.939394%-18.939394%18.9%4.946519%0.8410.8454.325%54.3%45.675%45.7%-46.887967%-46.887967%46.9%5.255888%0.6810.6859.496%59.5%40.504%40.5%19.062500%2.985058%19.062500%19.1%1.1911.1945.649%45.6%54.351%54.4%32.203390%4.494711%32.203390%32.2%1.3221.3243.066%43.1%56.934%56.9%

Map of Age Cohorts by Tract in Nantucket County

Children Age Cohorts by Tract#5

Percentage of population aged 0 to 17 (%):
10.0%12.5%15.0%17.4%19.9%22.4%

College Age Cohorts by Tract#6

Percentage of population aged 18 to 21 (%):
0.8%1.7%2.6%3.5%4.4%5.3%

20s Age Cohorts by Tract#7

Percentage of population aged 22 to 29 (%):
2.2%4.8%7.3%9.9%12.4%15.0%

30s Age Cohorts by Tract#8

Percentage of population aged 30 to 39 (%):
4.2%7.8%11.3%14.9%18.4%22.0%

40s Age Cohorts by Tract#9

Percentage of population aged 40 to 49 (%):
6.9%9.6%12.1%14.7%17.3%19.9%

50s Age Cohorts by Tract#10

Percentage of population aged 50 to 59 (%):
11.6%12.8%13.9%15.0%16.1%17.2%

60s Age Cohorts by Tract#11

Percentage of population aged 60 to 69 (%):
5.9%10.6%15.2%19.9%24.6%29.3%

70s Age Cohorts by Tract#12

Percentage of population aged 70 to 79 (%):
2.1%6.1%10.0%13.9%17.8%21.8%

80+ Age Cohorts by Tract#13

Percentage of population aged 80 and older (%):
1.1%2.6%4.0%5.5%6.9%8.4%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Nantucket County

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
6.9%11.9%16.8%21.7%26.6%31.6%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
0.0%2.0%3.9%5.9%7.9%9.9%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
0.0%4.1%8.1%12.2%16.3%20.4%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
2%7%12%17%22%28%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
4.6%8.0%11.4%14.7%18.1%21.5%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
9.4%11.6%13.8%15.9%18.1%20.3%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
3%10%15%21%26%33%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
0.9%5.6%10.2%14.8%19.4%24.0%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
0.0%2.0%4.0%6.0%8.0%10.1%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Nantucket County

There are 3 places in Nantucket County. This section compares all 3 of those to each other, Nantucket County, and other entities that contain or substantially overlap with Nantucket County.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Nantucket County, selected places in Nantucket County, and entities that contain Nantucket County
0%5%10%15%20%Count#MadaketUnited States of AmericaUnited StatesNortheastMassachusettsNew EnglandNantucket CountyNantucketNantucketSiasconset23.127036%23.127036%23.1%71123.108006%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%3,024,7813.02M19.945764%19.945764%19.9%2,13319.425287%19.425287%19.4%1,521213.661202%13.661202%13.7%253

Age Cohorts by County Subdivision in Nantucket County

There are 2 county subdivisions in Nantucket County. This section compares all 2 of those to each other, Nantucket County, and other entities that contain or substantially overlap with Nantucket County.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Nantucket County, selected county subdivisions in Nantucket County, and entities that contain Nantucket County
0%5%10%15%20%Count#United States of AmericaUnited StatesNortheastMassachusettsNew EnglandNantucket CountyNantucketTown of NantucketNantucket23.108006%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%3,024,7813.02M19.945764%19.945764%19.9%2,13319.945764%19.945764%19.9%2,1331

Age Cohorts by County in Massachusetts

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

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Nantucket County, selected other counties in Massachusetts, and entities that contain Nantucket County
0%5%10%15%20%Count#United States of AmericaUnited StatesPlymouth CountyPlymouthHampden CountyHampdenWorcester CountyWorcesterEssex CountyEssexNorfolk CountyNorfolkNortheastBristol CountyBristolMassachusettsNew EnglandMiddlesex 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%3,024,7813.02M20.568254%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

Age Cohorts by County in the United States

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Nantucket County, selected other counties in the United States, and entities that contain Nantucket 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 CountyPimaHonolulu CountyHonoluluBroward CountyBrowardCuyahoga CountyCuyahogaAlameda CountyAlamedaNortheastKing CountyKingMassachusettsNew EnglandMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensNantucket CountyNantucketPalm 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%219,290219k3921.601744%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%3,024,7813.02M20.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4719.945764%19.945764%19.9%2,13319.641010%19.641010%19.6%274,730275k4819.092867%19.092867%19.1%234,911235k4914.639548%14.639548%14.6%239,355239k50

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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