Age and Sex in Merrimack 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, Merrimack County, and other counties in New Hampshire
Merrimack County
New Hampshire
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43,6972.503%2.50%2,6821.816%1.82%3,7332.527%2.53%6,0334.084%4.08%4,1662.820%2.82%3,4002.302%2.30%5,6523.826%3.83%4,5613.088%3.09%12,30612.3k8.331%8.33%12,14912.1k8.225%8.22%10,94710.9k7.411%7.41%9,5176.443%6.44%8,3315.640%5.64%8,3635.662%5.66%8,2545.588%5.59%5,4903.717%3.72%2,1051.425%1.43%2,2971.555%1.56%4,4162.990%2.99%5,7823.914%3.91%8,7585.929%5.93%7,9865.406%5.41%7,0904.800%4.80%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of New Hampshire and Merrimack County
Female Male
New Hampshire
Merrimack County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.196587%-0.052710%-0.199307%-0.041613%-0.249298%0.25%0.196587%0.199307%0.196587%0.20%23,71123.7k16.052%16.1%-0.735985%-0.020959%-0.732663%-0.016850%-0.756944%0.76%0.735985%0.732663%0.735985%0.74%55,13255.1k37.323%37.3%-0.560765%-0.576835%-0.560765%0.56%0.560765%0.023243%0.576835%0.021971%0.584007%0.58%30,43830.4k20.606%20.6%-0.740446%-0.726025%-0.740446%0.74%0.740446%0.011509%0.726025%0.004087%0.751955%0.75%8,8185.970%5.97%-0.544893%-0.547092%-0.544893%0.54%0.544893%0.024070%0.547092%0.023114%0.568964%0.57%29,61629.6k20.049%20.0%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of New Hampshire and Merrimack County
Female Male
New Hampshire
Merrimack County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.051493%-0.053439%-0.044322%-0.039515%-0.104932%0.10%0.051493%0.044322%0.051493%0.05%3,6972.503%2.50%-0.142166%-0.078800%-0.160437%-0.060761%-0.220966%0.22%0.142166%0.160437%0.142166%0.14%2,6821.816%1.82%-0.225570%-0.054294%-0.235902%-0.052670%-0.279863%0.28%0.225570%0.235902%0.225570%0.23%3,7332.527%2.53%-0.372203%-0.072437%-0.360165%-0.032648%-0.444640%0.44%0.372203%0.360165%0.372203%0.37%6,0334.084%4.08%-0.456735%-0.026628%-0.486101%-0.034752%-0.483363%0.48%0.456735%0.486101%0.456735%0.46%4,1662.820%2.82%-0.559185%-0.612541%-0.015593%-0.559185%0.56%0.559185%0.032495%0.612541%0.591680%0.59%3,4002.302%2.30%-0.616051%-0.653106%-0.011048%-0.616051%0.62%0.616051%0.043327%0.653106%0.659378%0.66%5,6523.826%3.83%-0.753478%-0.036895%-0.703501%-0.053823%-0.790373%0.79%0.753478%0.703501%0.753478%0.75%4,5613.088%3.09%-0.787056%-0.092069%-0.798431%-0.010200%-0.879125%0.88%0.787056%0.798431%0.787056%0.79%12,30612.3k8.331%8.33%-0.806689%-0.031547%-0.826273%-0.024000%-0.838236%0.84%0.806689%0.826273%0.806689%0.81%12,14912.1k8.225%8.22%-0.737772%-0.740187%-0.010305%-0.737772%0.74%0.737772%0.006634%0.740187%0.744406%0.74%10,94710.9k7.411%7.41%-0.643807%-0.625159%-0.011586%-0.643807%0.64%0.643807%0.000948%0.625159%0.644755%0.64%9,5176.443%6.44%-0.556206%-0.015571%-0.567276%-0.003917%-0.571777%0.57%0.556206%0.567276%0.556206%0.56%8,3315.640%5.64%-0.552686%-0.566221%-0.552686%0.55%0.552686%0.026944%0.566221%0.010200%0.579630%0.58%8,3635.662%5.66%-0.534949%-0.572790%-0.534949%0.53%0.534949%0.047659%0.572790%0.039382%0.582608%0.58%8,2545.588%5.59%-0.598901%-0.610670%-0.598901%0.60%0.598901%0.041070%0.610670%0.055719%0.639971%0.64%5,4903.717%3.72%-0.637038%-0.150966%-0.711938%-0.788004%0.79%0.637038%0.711938%0.019586%0.637038%0.64%2,1051.425%1.43%-0.696612%-0.698605%-0.696612%0.70%0.696612%0.161798%0.698605%0.025085%0.858410%0.86%2,2971.555%1.56%-0.738584%-0.732616%-0.014162%-0.738584%0.74%0.738584%0.017601%0.732616%0.756186%0.76%4,4162.990%2.99%-0.624401%-0.618831%-0.624401%0.62%0.624401%0.055964%0.618831%0.039021%0.680364%0.68%5,7823.914%3.91%-0.583556%-0.574944%-0.583556%0.58%0.583556%0.018685%0.574944%0.015804%0.602241%0.60%8,7585.929%5.93%-0.530887%-0.546801%-0.530887%0.53%0.530887%0.019497%0.546801%0.022569%0.550384%0.55%7,9865.406%5.41%-0.472532%-0.476489%-0.472532%0.47%0.472532%0.014894%0.476489%0.021424%0.487425%0.49%7,0904.800%4.80%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of New Hampshire and Merrimack County
More Females More Males
New Hampshire
Merrimack County
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-103.779786%-89.154451%-103.779786%103.8%0.4910.4967.081%67.1%32.919%32.9%-55.428571%-37.872101%-55.428571%55.4%0.6430.6460.850%60.9%39.150%39.1%-24.069628%-22.327245%-24.069628%24.1%0.8060.8155.371%55.4%44.629%44.6%-19.461622%-9.064670%-19.461622%19.5%0.8370.8454.434%54.4%45.566%45.6%-5.830040%-7.149130%-5.830040%5.8%0.9450.9451.416%51.4%48.584%48.6%-2.545656%5.811138%5.811138%5.8%1.0581.0648.588%48.6%51.412%51.4%-1.691657%7.032967%7.032967%7.0%1.0701.0748.301%48.3%51.699%51.7%-4.896676%-7.650712%-4.896676%4.9%0.9530.9551.195%51.2%48.805%48.8%-11.697918%-1.277455%-11.697918%11.7%0.8950.9052.763%52.8%47.237%47.2%-3.910708%-2.904602%-3.910708%3.9%0.9620.9650.959%51.0%49.041%49.0%-1.392225%0.899248%0.899248%0.9%1.0091.0149.776%49.8%50.224%50.2%-1.853235%0.147213%0.147213%0.1%1.0011.0049.963%50.0%50.037%50.0%-2.799416%-0.690516%-2.799416%2.8%0.9730.9750.690%50.7%49.310%49.3%4.875061%1.801346%4.875061%4.9%1.0491.0548.810%48.8%51.190%51.2%8.909137%6.875510%8.909137%8.9%1.0891.0947.868%47.9%52.132%52.1%6.857573%9.124178%6.857573%6.9%1.0691.0748.342%48.3%51.658%51.7%-23.698193%-23.698193%23.7%2.751032%0.8080.8155.297%55.3%44.703%44.7%23.226433%3.590684%23.226433%23.2%1.2321.2344.798%44.8%55.202%55.2%-1.933063%2.383135%2.383135%2.4%1.0241.0249.411%49.4%50.589%50.6%8.962776%6.305539%8.962776%9.0%1.0901.0947.855%47.9%52.145%52.1%3.201856%2.748808%3.201856%3.2%1.0321.0349.212%49.2%50.788%50.8%3.672533%4.127404%3.672533%3.7%1.0371.0449.098%49.1%50.902%50.9%3.151862%4.496158%3.151862%3.2%1.0321.0349.224%49.2%50.776%50.8%

Map of Age Cohorts by County Subdivision in Merrimack County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
11.0%13.6%16.2%18.8%21.4%24.0%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.6%5.1%9.6%14.2%18.7%23.2%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
3.4%5.3%7.1%8.9%10.7%12.5%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
4.1%6.4%8.6%10.8%13.0%15.3%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
6.9%9.6%12.2%14.9%17.5%20.2%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
10.7%13.4%16.1%18.9%21.6%24.3%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
8.8%11.4%14.0%16.5%19.0%21.6%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
1.9%4.5%7.1%9.7%12.3%14.9%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.1%3.5%5.9%8.3%10.7%13.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Merrimack County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
11.0%13.9%16.8%19.7%22.6%25.5%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1.9%6.2%10.5%14.7%18.9%23.2%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
3.9%7.0%10.0%13.0%16.0%19.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
4.1%8.0%11.8%15.6%19.4%23.3%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
6.9%9.6%12.2%14.9%17.5%20.2%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
8.7%11.9%15.0%18.1%21.2%24.3%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
2.8%5.8%8.8%11.8%14.8%17.8%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.9%4.5%7.1%9.7%12.3%14.9%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
1.1%3.5%5.9%8.3%10.7%13.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Merrimack County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
4%10%16%21%27%33%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%9%18%27%36%45%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0%5%10%15%20%26%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
1.4%6.1%10.9%15.6%20.3%25.1%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
1%7%13%19%25%32%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
4%11%16%22%28%34%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
1%8%14%20%26%32%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.0%4.8%9.5%14.3%19.1%23.9%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.2%4.7%9.1%13.5%17.9%22.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Merrimack County

There are 14 places that are fully or partially contained within Merrimack County (12 fully and 2 partially). This section compares all 14 of those to each other, Merrimack County, and other entities that contain or substantially overlap with Merrimack County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Merrimack County, selected places in Merrimack County, and entities that contain Merrimack County
0%10%20%30%Count#BradfordContoocookTilton NorthfieldUnited States of AmericaUnited StatesSuncookNortheastFranklinNew EnglandPittsfieldNew HampshireConcord Metro AreaConcord AreaMerrimack CountyMerrimackConcordSouth HooksettS HooksettLoudonWarnerHooksettHennikerNew LondonBlodgett LandingBlodgett Lndg30.981595%30.981595%31.0%101125.098703%25.098703%25.1%445223.490888%23.490888%23.5%825323.108006%23.108006%23.1%73,612,43873.6M23.070973%23.070973%23.1%1,193421.341491%21.341491%21.3%11,965,27112.0M21.220379%21.220379%21.2%1,791520.620396%20.620396%20.6%3,024,7813.02M20.568252%20.568252%20.6%333620.111367%20.111367%20.1%266,979267k20.049419%20.049419%20.0%29,61629.6k20.049419%20.049419%20.0%29,61629.6k19.540742%19.540742%19.5%8,331718.345082%18.345082%18.3%1,093817.647059%17.647059%17.6%138917.124736%17.124736%17.1%811013.400819%13.400819%13.4%5561112.515645%12.515645%12.5%200123.865337%3.865337%3.9%62130.000000%0.000000%0.0%014

Age Cohorts by County Subdivision in Merrimack County

There are 27 county subdivisions in Merrimack County. This section compares all 27 of those to each other, Merrimack County, and other entities that contain or substantially overlap with Merrimack County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Merrimack County, selected county subdivisions in Merrimack County, and entities that contain Merrimack County
0%5%10%15%20%Count#Town of SuttonSuttonTown of HennikerHennikerTown of BowUnited States of AmericaUnited StatesTown of NorthfieldNorthfieldTown of PittsfieldPittsfieldTown of PembrokePembrokeTown of DunbartonDunbartonNortheastTown of HopkintonHopkintonFranklinTown of ChichesterChichesterTown of DanburyDanburyNew EnglandTown of EpsomTown of BoscawenBoscawenNew HampshireConcord Metro AreaConcord AreaMerrimack CountyMerrimackTown of WarnerWarnerTown of BradfordBradfordTown of WebsterWebsterConcordTown of HooksettHooksettTown of HillTown of AllenstownAllenstownTown of AndoverAndoverTown of SalisburySalisburyTown of LoudonLoudonTown of CanterburyCanterburyTown of WilmotWilmotTown of NewburyNewburyTown of New LondonNew London23.953013%23.953013%24.0%469123.717031%23.717031%23.7%1,160223.138021%23.138021%23.1%1,777323.108006%23.108006%23.1%73,612,43873.6M23.086497%23.086497%23.1%1,113422.699536%22.699536%22.7%930522.344013%22.344013%22.3%1,590622.281640%22.281640%22.3%625721.341491%21.341491%21.3%11,965,27112.0M21.299768%21.299768%21.3%1,193821.220379%21.220379%21.2%1,791921.036350%21.036350%21.0%5441020.942813%20.942813%20.9%2711120.620396%20.620396%20.6%3,024,7813.02M20.585072%20.585072%20.6%9571220.378310%20.378310%20.4%8081320.111367%20.111367%20.1%266,979267k20.049419%20.049419%20.0%29,61629.6k20.049419%20.049419%20.0%29,61629.6k19.880994%19.880994%19.9%5681419.595836%19.595836%19.6%3201519.589258%19.589258%19.6%3721619.540742%19.540742%19.5%8,3311718.947972%18.947972%18.9%2,6441818.884540%18.884540%18.9%1931918.854749%18.854749%18.9%8102018.472536%18.472536%18.5%4912118.013857%18.013857%18.0%2342217.865127%17.865127%17.9%9592317.703132%17.703132%17.7%3902417.615894%17.615894%17.6%2662516.127321%16.127321%16.1%3042611.014367%11.014367%11.0%50627

Age Cohorts by County in New Hampshire

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

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Merrimack County, selected other counties in New Hampshire, and entities that contain Merrimack County
0%5%10%15%20%Count#United States of AmericaUnited StatesHillsborough CountyHillsboroughNortheastRockingham CountyRockinghamNew EnglandNew HampshireConcord Metro AreaConcord AreaMerrimack 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%3,024,7813.02M20.111367%20.111367%20.1%266,979267k20.049419%20.049419%20.0%29,61629.6k20.049419%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 Merrimack County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Merrimack County. The least populous of the compared counties has a population of 941,618.

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Merrimack County, selected other counties in the United States, and entities that contain Merrimack 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 EnglandMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensNew HampshireConcord Metro AreaConcord AreaMerrimack CountyMerrimackPalm 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%434,553435k4420.620396%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%472,878473k4720.111367%20.111367%20.1%266,979267k20.049419%20.049419%20.0%29,61629.6k20.049419%20.049419%20.0%29,61629.6k19.641010%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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