Age and Sex in Strafford County, New Hampshire (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in New Hampshire.
Scope: population of New Hampshire, Strafford County, and other counties in New Hampshire
Strafford County
New Hampshire
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41,9641.560%1.56%2,2861.816%1.82%3,0452.418%2.42%4,0213.193%3.19%3,1002.462%2.46%2,7482.182%2.18%4,0003.177%3.18%3,0942.457%2.46%9,0167.160%7.16%9,5807.608%7.61%8,2566.557%6.56%7,8026.196%6.20%6,8395.432%5.43%7,4935.951%5.95%7,9316.299%6.30%6,1014.845%4.85%3,9133.108%3.11%3,7122.948%2.95%6,5395.193%5.19%4,2863.404%3.40%6,9695.535%5.53%6,8215.417%5.42%6,3975.080%5.08%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of New Hampshire and Strafford County
Female Male
New Hampshire
Strafford County
Shaded bar tips show excess over facing bar.
1%0%1%Count%Senior2Older Adult3Younger Adult4College5Children6-0.168856%-0.040945%-0.199307%-0.041613%-0.209801%0.2%0.168856%0.199307%0.168856%0.2%17,16417.2k13.632%13.6%-0.647336%-0.031577%-0.732663%-0.016850%-0.678913%0.7%0.647336%0.732663%0.647336%0.6%41,74841.7k33.156%33.2%-0.611930%-0.576835%-0.611930%0.6%0.611930%0.027620%0.576835%0.021971%0.639551%0.6%28,36428.4k22.527%22.5%-1.278065%-0.256129%-0.726025%-1.534194%1.5%1.278065%0.726025%0.004087%1.278065%1.3%14,16414.2k11.249%11.2%-0.525583%-0.547092%-0.525583%0.5%0.525583%0.028635%0.547092%0.023114%0.554219%0.6%24,47324.5k19.436%19.4%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of New Hampshire and Strafford County
Female Male
New Hampshire
Strafford County
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.031569%-0.034349%-0.044322%-0.039515%-0.065919%0.1%0.031569%0.044322%0.031569%0.0%1,9641.560%1.56%-0.144227%-0.074655%-0.160437%-0.060761%-0.218881%0.2%0.144227%0.160437%0.144227%0.1%2,2861.816%1.82%-0.218405%-0.046858%-0.235902%-0.052670%-0.265263%0.3%0.218405%0.235902%0.218405%0.2%3,0452.418%2.42%-0.300684%-0.037327%-0.360165%-0.032648%-0.338011%0.3%0.300684%0.360165%0.300684%0.3%4,0213.193%3.19%-0.388628%-0.043416%-0.486101%-0.034752%-0.432044%0.4%0.388628%0.486101%0.388628%0.4%3,1002.462%2.46%-0.545615%-0.612541%-0.015593%-0.545615%0.5%0.545615%0.000000%0.612541%0.545615%0.5%2,7482.182%2.18%-0.510935%-0.037063%-0.653106%-0.011048%-0.547997%0.5%0.510935%0.653106%0.510935%0.5%4,0003.177%3.18%-0.559116%-0.110394%-0.703501%-0.053823%-0.669510%0.7%0.559116%0.703501%0.559116%0.6%3,0942.457%2.46%-0.705725%-0.798431%-0.010200%-0.705725%0.7%0.705725%0.020649%0.798431%0.726375%0.7%9,0167.160%7.16%-0.743212%-0.035262%-0.826273%-0.024000%-0.778474%0.8%0.743212%0.826273%0.743212%0.7%9,5807.608%7.61%-0.646319%-0.018743%-0.740187%-0.010305%-0.665062%0.7%0.646319%0.740187%0.646319%0.6%8,2566.557%6.56%-0.590567%-0.058135%-0.625159%-0.011586%-0.648702%0.6%0.590567%0.625159%0.590567%0.6%7,8026.196%6.20%-0.520677%-0.567276%-0.003917%-0.520677%0.5%0.520677%0.044952%0.567276%0.565629%0.6%6,8395.432%5.43%-0.590249%-0.009689%-0.566221%-0.599938%0.6%0.590249%0.566221%0.010200%0.590249%0.6%7,4935.951%5.95%-0.594220%-0.572790%-0.594220%0.6%0.594220%0.071319%0.572790%0.039382%0.665539%0.7%7,9316.299%6.30%-0.801612%-0.011913%-0.610670%-0.813525%0.8%0.801612%0.610670%0.055719%0.801612%0.8%6,1014.845%4.85%-1.412880%-0.281941%-0.711938%-1.694821%1.7%1.412880%0.711938%0.019586%1.412880%1.4%3,9133.108%3.11%-1.319165%-0.309738%-0.698605%-1.628902%1.6%1.319165%0.698605%0.025085%1.319165%1.3%3,7122.948%2.95%-1.190107%-0.216419%-0.732616%-0.014162%-1.406527%1.4%1.190107%0.732616%1.190107%1.2%6,5395.193%5.19%-0.549586%-0.618831%-0.549586%0.5%0.549586%0.035474%0.618831%0.039021%0.585060%0.6%4,2863.404%3.40%-0.553080%-0.574944%-0.553080%0.6%0.553080%0.000794%0.574944%0.015804%0.553875%0.6%6,9695.535%5.53%-0.528937%-0.546801%-0.528937%0.5%0.528937%0.025573%0.546801%0.022569%0.554510%0.6%6,8215.417%5.42%-0.480332%-0.476489%-0.480332%0.5%0.480332%0.055435%0.476489%0.021424%0.535767%0.5%6,3975.080%5.08%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of New Hampshire and Strafford County
More Females More Males
New Hampshire
Strafford County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-108.805031%-89.154451%-108.805031%108.8%0.4790.4867.617%67.6%32.383%32.4%-51.762115%-37.872101%-51.762115%51.8%0.6590.6660.280%60.3%39.720%39.7%-21.454545%-22.327245%-21.454545%21.5%0.8230.8254.844%54.8%45.156%45.2%-12.414157%-9.064670%-12.414157%12.4%0.8900.8952.922%52.9%47.078%47.1%-11.171662%-7.149130%-11.171662%11.2%0.9000.9052.645%52.6%47.355%47.4%0.000000%-2.545656%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%-7.253886%-1.691657%-7.253886%7.3%0.9320.9351.750%51.7%48.250%48.3%-19.744318%-7.650712%-19.744318%19.7%0.8350.8454.493%54.5%45.507%45.5%-1.277455%2.925951%2.925951%2.9%1.0291.0349.279%49.3%50.721%50.7%-4.744604%-2.904602%-4.744604%4.7%0.9550.9551.159%51.2%48.841%48.8%-2.899975%-1.392225%-2.899975%2.9%0.9720.9750.715%50.7%49.285%49.3%-9.844002%-1.853235%-9.844002%9.8%0.9100.9152.346%52.3%47.654%47.7%-0.690516%8.633313%8.633313%8.6%1.0861.0947.931%47.9%52.069%52.1%-1.641550%-1.641550%1.6%1.801346%0.9840.9850.407%50.4%49.593%49.6%12.002138%6.875510%12.002138%12.0%1.1201.1247.169%47.2%52.831%52.8%-1.486129%-1.486129%1.5%9.124178%0.9850.9950.369%50.4%49.631%49.6%-19.955031%-19.955031%20.0%2.751032%0.8340.8354.536%54.5%45.464%45.5%-23.479831%-23.479831%23.5%3.590684%0.8100.8155.253%55.3%44.747%44.7%-18.184852%-1.933063%-18.184852%18.2%0.8460.8554.167%54.2%45.833%45.8%6.454721%6.305539%6.454721%6.5%1.0651.0648.437%48.4%51.563%51.6%0.143596%2.748808%0.143596%0.1%1.0011.0049.964%50.0%50.036%50.0%4.834835%4.127404%4.834835%4.8%1.0481.0548.820%48.8%51.180%51.2%11.541005%4.496158%11.541005%11.5%1.1151.1247.272%47.3%52.728%52.7%

Map of Age Cohorts by County Subdivision in Strafford County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
9.7%13.5%17.3%21.1%24.8%28.7%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3%14%25%35%46%57%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
4.7%6.9%9.1%11.3%13.5%15.8%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
3.6%5.9%8.2%10.5%12.8%15.1%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
5.1%7.8%10.6%13.3%16.0%18.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
6.6%9.6%12.6%15.7%18.7%21.8%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
5.8%7.2%8.5%9.9%11.2%12.6%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.0%4.0%4.9%5.9%6.8%7.8%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.4%1.2%2.0%2.8%3.5%4.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Strafford County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
1.9%6.8%11.6%16.5%21.3%26.2%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2%18%34%50%65%82%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.7%9.0%13.3%17.6%21.9%26.2%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
0.6%5.0%9.4%13.9%18.3%22.7%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
1.1%4.7%8.2%11.7%15.2%18.8%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
1.8%5.8%9.8%13.8%17.7%21.8%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
0.7%4.0%7.2%10.4%13.6%16.9%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
0.7%2.6%4.3%6.1%7.9%9.7%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.5%2.0%3.5%4.9%6.3%7.8%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Strafford County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
1%8%14%20%27%33%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%18%35%53%70%88%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%9%17%26%34%44%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0.6%5.5%10.5%15.4%20.3%25.3%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0.0%4.9%9.8%14.7%19.6%24.6%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
0%7%13%20%26%33%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%6%11%17%22%28%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.1%3.1%6.2%9.2%12.2%15.3%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%3.1%6.3%9.4%12.6%15.8%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Strafford County

There are 7 places in Strafford County. This section compares all 7 of those to each other, Strafford County, and other entities that contain or substantially overlap with Strafford County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Strafford County, selected places in Strafford County, and entities that contain Strafford County
0%10%20%30%Count#Milton MillsMiltonUnited States of AmericaUnited StatesSomersworthFarmingtonNortheastNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaNew HampshireDoverStrafford CountyStraffordRochesterDurham31.521739%31.521739%31.5%116125.113122%25.113122%25.1%222223.108006%23.108006%23.1%73,612,43873.6M22.771351%22.771351%22.8%2,677321.979622%21.979622%22.0%906421.341491%21.341491%21.3%11,965,27112.0M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.111367%20.111367%20.1%266,979267k19.473171%19.473171%19.5%5,988519.436436%19.436436%19.4%24,47324.5k19.186743%19.186743%19.2%5,76667.022314%7.022314%7.0%7497

Age Cohorts by County Subdivision in Strafford County

There are 13 county subdivisions in Strafford County. This section compares all 13 of those to each other, Strafford County, and other entities that contain or substantially overlap with Strafford County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Strafford County, selected county subdivisions in Strafford County, and entities that contain Strafford County
0%5%10%15%20%25%Count#Town of MadburyMadburyTown of RollinsfordRollinsfordUnited States of AmericaUnited StatesTown of LeeSomersworthTown of MiddletonMiddletonTown of BarringtonBarringtonTown of StraffordStraffordTown of MiltonMiltonTown of FarmingtonFarmingtonTown of New DurhamNew DurhamNortheastNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaNew HampshireDoverStrafford CountyStraffordRochesterTown of DurhamDurham28.633406%28.633406%28.6%528123.399209%23.399209%23.4%592223.108006%23.108006%23.1%73,612,43873.6M22.835005%22.835005%22.8%1,002322.771351%22.771351%22.8%2,677422.758621%22.758621%22.8%396522.440137%22.440137%22.4%1,968622.416339%22.416339%22.4%911722.152037%22.152037%22.2%1,017821.942288%21.942288%21.9%1,498921.897263%21.897263%21.9%5841021.341491%21.341491%21.3%11,965,27112.0M20.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.111367%20.111367%20.1%266,979267k19.473171%19.473171%19.5%5,9881119.436436%19.436436%19.4%24,47324.5k19.186743%19.186743%19.2%5,766129.702523%9.702523%9.7%1,54613

Age Cohorts by County in the Boston Area

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Strafford County, selected other counties in the Boston Area, and entities that contain Strafford County
0%5%10%15%20%Count#United States of AmericaUnited StatesPlymouth CountyPlymouthEssex CountyEssexNorfolk CountyNorfolkNortheastRockingham CountyRockinghamNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiddlesex CountyMiddlesexNew HampshireStrafford 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%62,16262.2k420.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.568254%20.568254%20.6%322,430322k520.111367%20.111367%20.1%266,979267k19.436436%19.436436%19.4%24,47324.5k617.231044%17.231044%17.2%132,286132k7

Age Cohorts by County in New Hampshire

There are 10 counties in New Hampshire. This section compares Strafford County to all of the counties in New Hampshire and to those entities that contain or substantially overlap with Strafford County.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Strafford County, selected other counties in New Hampshire, and entities that contain Strafford County
0%5%10%15%20%Count#United States of AmericaUnited StatesHillsborough CountyHillsboroughNortheastRockingham CountyRockinghamNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaNew HampshireMerrimack CountyMerrimackSullivan CountySullivanStrafford CountyStraffordBelknap CountyBelknapCheshire CountyCheshireGrafton CountyGraftonCarroll CountyCarrollCoos CountyCoos23.108006%23.108006%23.1%73,612,43873.6M21.714393%21.714393%21.7%87,93287.9k121.341491%21.341491%21.3%11,965,27112.0M20.695487%20.695487%20.7%62,16262.2k220.620396%20.620396%20.6%3,024,7813.02M20.611211%20.611211%20.6%974,672975k20.111367%20.111367%20.1%266,979267k20.049419%20.049419%20.0%29,61629.6k319.732410%19.732410%19.7%8,495419.436436%19.436436%19.4%24,47324.5k519.244271%19.244271%19.2%11,62211.6k618.523323%18.523323%18.5%14,13714.1k717.071912%17.071912%17.1%15,22215.2k816.823435%16.823435%16.8%7,977916.583382%16.583382%16.6%5,34310

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Strafford County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Strafford 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 Strafford County, selected other counties in the United States, and entities that contain Strafford 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 CountyKingNew EnglandBoston, Cambridge, and Newton Metro AreaBoston AreaMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensNew HampshirePalm Beach CountyPalm BeachStrafford CountyStraffordAllegheny 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%434,553435k4420.620396%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%472,878473k4720.111367%20.111367%20.1%266,979267k19.641010%19.641010%19.6%274,730275k4819.436436%19.436436%19.4%24,47324.5k19.092867%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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