Age and Sex in Kennebec County, Maine (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in Maine.
Scope: population of Maine, Kennebec County, and other counties in Maine
Kennebec County
Maine
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-42,5702.125%2.12%2,8542.360%2.36%3,6983.057%3.06%4,7713.945%3.94%4,0843.377%3.38%3,1522.606%2.61%5,2294.323%4.32%3,8293.166%3.17%9,8238.121%8.12%9,9008.185%8.18%8,6637.162%7.16%7,4896.192%6.19%6,6725.516%5.52%6,9425.739%5.74%6,6835.525%5.53%4,1243.410%3.41%1,4881.230%1.23%1,8311.514%1.51%3,0522.523%2.52%4,3913.630%3.63%6,9265.726%5.73%6,6865.528%5.53%6,0965.040%5.04%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Maine and Kennebec County
Female Male
Maine
Kennebec County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.218313%-0.048619%-0.228386%-0.049211%-0.266931%0.27%0.218313%0.228386%0.218313%0.22%21,12921.1k17.469%17.5%-0.726166%-0.033633%-0.718622%-0.036195%-0.759799%0.76%0.726166%0.718622%0.726166%0.73%44,93344.9k37.149%37.1%-0.550581%-0.020531%-0.563942%-0.571113%0.57%0.550581%0.563942%0.000785%0.550581%0.55%24,42124.4k20.190%20.2%-0.657280%-0.002274%-0.630149%-0.659554%0.66%0.657280%0.630149%0.019719%0.657280%0.66%6,3715.267%5.27%-0.547228%-0.527136%-0.547228%0.55%0.547228%0.012447%0.527136%0.029755%0.559676%0.56%24,09924.1k19.924%19.9%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Maine and Kennebec County
Female Male
Maine
Kennebec County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.048573%-0.035654%-0.051389%-0.043527%-0.084227%0.08%0.048573%0.051389%0.048573%0.05%2,5702.125%2.12%-0.219259%-0.033401%-0.192853%-0.078606%-0.252660%0.25%0.219259%0.192853%0.219259%0.22%2,8542.360%2.36%-0.238109%-0.135259%-0.275249%-0.062560%-0.373368%0.37%0.238109%0.275249%0.238109%0.24%3,6983.057%3.06%-0.364274%-0.060354%-0.405196%-0.048800%-0.424628%0.42%0.364274%0.405196%0.364274%0.36%4,7713.945%3.94%-0.554761%-0.015984%-0.564694%-0.018748%-0.570745%0.57%0.554761%0.564694%0.554761%0.55%4,0843.377%3.38%-0.648186%-0.669550%-0.034551%-0.648186%0.65%0.648186%0.006614%0.669550%0.654800%0.65%3,1522.606%2.61%-0.706611%-0.027835%-0.686330%-0.040453%-0.734445%0.73%0.706611%0.686330%0.706611%0.71%5,2294.323%4.32%-0.734996%-0.112854%-0.717410%-0.099667%-0.847850%0.85%0.734996%0.717410%0.734996%0.73%3,8293.166%3.17%-0.802130%-0.020008%-0.802392%-0.035476%-0.822138%0.82%0.802130%0.802392%0.802130%0.80%9,8238.121%8.12%-0.788405%-0.060189%-0.787640%-0.029566%-0.848594%0.85%0.788405%0.787640%0.788405%0.79%9,9008.185%8.18%-0.708374%-0.015709%-0.689047%-0.029205%-0.724083%0.72%0.708374%0.689047%0.708374%0.71%8,6637.162%7.16%-0.613957%-0.010417%-0.615269%-0.022588%-0.624375%0.62%0.613957%0.615269%0.613957%0.61%7,4896.192%6.19%-0.527974%-0.047291%-0.535279%-0.016452%-0.575265%0.58%0.527974%0.535279%0.527974%0.53%6,6725.516%5.52%-0.562533%-0.022819%-0.560664%-0.012768%-0.585351%0.59%0.562533%0.560664%0.562533%0.56%6,9425.739%5.74%-0.544840%-0.015378%-0.579748%-0.001925%-0.560218%0.56%0.544840%0.579748%0.544840%0.54%6,6835.525%5.53%-0.558619%-0.538928%-0.558619%0.56%0.558619%0.019291%0.538928%0.056620%0.577910%0.58%4,1243.410%3.41%-0.483659%-0.590786%-0.483659%0.48%0.483659%0.262912%0.590786%0.024287%0.746571%0.75%1,4881.230%1.23%-0.623383%-0.267046%-0.662144%-0.016317%-0.890429%0.89%0.623383%0.662144%0.623383%0.62%1,8311.514%1.51%-0.629583%-0.002480%-0.625675%-0.632064%0.63%0.629583%0.625675%0.035453%0.629583%0.63%3,0522.523%2.52%-0.601336%-0.007441%-0.586199%-0.608776%0.61%0.601336%0.586199%0.030202%0.601336%0.60%4,3913.630%3.63%-0.542690%-0.059858%-0.545340%-0.602548%0.60%0.542690%0.545340%0.015640%0.542690%0.54%6,9265.726%5.73%-0.487958%-0.522421%-0.487958%0.49%0.487958%0.129637%0.522421%0.050078%0.617595%0.62%6,6865.528%5.53%-0.493746%-0.020504%-0.478208%-0.514249%0.51%0.493746%0.478208%0.023280%0.493746%0.49%6,0965.040%5.04%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Maine and Kennebec County
More Females More Males
Maine
Kennebec County
50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-73.404255%-84.700503%-73.404255%73.4%0.5770.5863.424%63.4%36.576%36.6%-15.233786%-40.759513%-15.233786%15.2%0.8680.8753.539%53.5%46.461%46.5%-56.805556%-22.728514%-56.805556%56.8%0.6380.6461.060%61.1%38.940%38.9%-16.568316%-12.043498%-16.568316%16.6%0.8580.8653.825%53.8%46.175%46.2%-2.881272%-3.320018%-2.881272%2.9%0.9720.9750.710%50.7%49.290%49.3%-5.160312%1.020408%1.020408%1.0%1.0101.0149.746%49.7%50.254%50.3%-3.939158%-5.894168%-3.939158%3.9%0.9620.9650.966%51.0%49.034%49.0%-15.354331%-13.892674%-15.354331%15.4%0.8670.8753.565%53.6%46.435%46.4%-2.494331%-4.421246%-2.494331%2.5%0.9760.9850.616%50.6%49.384%49.4%-7.634228%-3.753699%-7.634228%7.6%0.9290.9351.838%51.8%48.162%48.2%-2.217554%-4.238416%-2.217554%2.2%0.9780.9850.548%50.5%49.452%49.5%-1.696741%-3.671205%-1.696741%1.7%0.9830.9850.421%50.4%49.579%49.6%-8.957094%-3.073552%-8.957094%9.0%0.9180.9252.143%52.1%47.857%47.9%-4.056437%-2.277238%-4.056437%4.1%0.9610.9650.994%51.0%49.006%49.0%-2.822458%-0.332028%-2.822458%2.8%0.9730.9750.696%50.7%49.304%49.3%3.453379%10.505999%3.453379%3.5%1.0351.0349.151%49.2%50.849%50.8%54.358974%4.110984%54.358974%54.4%1.5441.5439.315%39.3%60.685%60.7%-42.838196%-2.464229%-42.838196%42.8%0.7000.7058.820%58.8%41.180%41.2%-0.393959%-0.393959%0.4%5.666386%0.9961.0050.098%50.1%49.902%49.9%-1.237397%-1.237397%1.2%5.152215%0.9880.9950.307%50.3%49.693%49.7%-11.029860%-11.029860%11.0%2.867937%0.9010.9052.613%52.6%47.387%47.4%26.567265%9.585768%26.567265%26.6%1.2661.2744.137%44.1%55.863%55.9%-4.152713%-4.152713%4.2%4.868078%0.9600.9651.017%51.0%48.983%49.0%

Map of Age Cohorts by County Subdivision in Kennebec County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
10.3%13.0%15.7%18.4%21.1%23.9%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%2.6%5.1%7.7%10.2%12.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
3.4%5.4%7.4%9.4%11.3%13.3%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
5.6%7.8%10.0%12.1%14.3%16.5%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0.0%3.6%7.2%10.7%14.3%17.9%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
11.1%14.0%16.7%19.5%22.3%25.1%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
11.1%13.4%15.6%17.8%20.0%22.3%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.9%5.5%7.0%8.5%10.0%11.6%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.9%5.3%9.7%14.0%18.4%22.8%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Kennebec County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
10.1%13.4%16.7%19.9%23.1%26.4%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
1.7%6.3%10.8%15.4%19.9%24.4%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
5.0%7.0%9.0%11.1%13.1%15.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.6%9.1%10.5%11.9%13.3%14.8%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
8.8%10.7%12.5%14.3%16.1%17.9%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
8.7%11.8%14.8%17.9%20.9%24.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
8.4%10.5%12.6%14.7%16.8%18.9%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
3.7%5.2%6.7%8.1%9.6%11.1%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.9%2.6%4.2%5.8%7.4%9.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Kennebec County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
2%10%18%26%34%43%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0%14%28%42%56%70%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.0%4.8%9.7%14.5%19.3%24.2%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0.0%4.3%8.6%13.0%17.3%21.6%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
2%9%16%23%29%37%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
1%7%13%19%26%32%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
0%8%15%23%30%38%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
0.9%4.7%8.5%12.2%16.0%19.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%3.9%7.7%11.6%15.4%19.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Kennebec County

There are 10 places in Kennebec County. This section compares all 10 of those to each other, Kennebec County, and other entities that contain or substantially overlap with Kennebec County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Kennebec County, selected places in Kennebec County, and entities that contain Kennebec County
0%5%10%15%20%Count#WinslowUnited States of AmericaUnited StatesGardinerNortheastWinthropNew EnglandOaklandAugusta and Waterville Metro AreaAugusta AreaKennebec CountyKennebecMaineRandolphAugustaWatervilleFarmingdaleHallowellClinton23.546359%23.546359%23.5%1,798123.108006%23.108006%23.1%73,612,43873.6M21.710758%21.710758%21.7%1,231221.341491%21.341491%21.3%11,965,27112.0M20.987189%20.987189%21.0%557320.620396%20.620396%20.6%3,024,7813.02M20.525657%20.525657%20.5%492419.924268%19.924268%19.9%24,09924.1k19.924268%19.924268%19.9%24,09924.1k19.512483%19.512483%19.5%259,501260k19.294377%19.294377%19.3%350518.902145%18.902145%18.9%3,533618.098426%18.098426%18.1%2,920717.460317%17.460317%17.5%341817.387721%17.387721%17.4%422915.398887%15.398887%15.4%16610

Age Cohorts by County Subdivision in Kennebec County

There are 30 county subdivisions in Kennebec County. This section compares all 30 of those to each other, Kennebec County, and other entities that contain or substantially overlap with Kennebec County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Kennebec County, selected county subdivisions in Kennebec County, and entities that contain Kennebec County
0%5%10%15%20%Count#Town of SidneySidneyTown of Mount VernonMt VernonTown of WinslowWinslowTown of VassalboroVassalboroUnited States of AmericaUnited StatesTown of West GardinerW GardinerTown of BelgradeBelgradeTown of ChinaGardinerNortheastTown of MonmouthMonmouthNew EnglandTown of AlbionAlbionTown of OaklandOaklandAugusta and Waterville Metro AreaAugusta AreaKennebec CountyKennebecTown of RomeTown of WindsorWindsorTown of ChelseaChelseaTown of LitchfieldLitchfieldMaineTown of ClintonClintonTown of RandolphRandolphTown of WinthropWinthropAugustaTown of ReadfieldReadfieldTown of ManchesterManchesterWatervilleTown of PittstonPittstonTown of WayneHallowellTown of FarmingdaleFarmingdaleTown of BentonBentonTown of FayetteFayetteUnityTown of ViennaVienna23.854511%23.854511%23.9%1,010123.572296%23.572296%23.6%388223.546359%23.546359%23.5%1,798323.162532%23.162532%23.2%999423.108006%23.108006%23.1%73,612,43873.6M22.752726%22.752726%22.8%772522.426938%22.426938%22.4%706622.378277%22.378277%22.4%956721.710758%21.710758%21.7%1,231821.341491%21.341491%21.3%11,965,27112.0M20.676042%20.676042%20.7%838920.620396%20.620396%20.6%3,024,7813.02M20.359897%20.359897%20.4%3961020.216199%20.216199%20.2%1,2531119.924268%19.924268%19.9%24,09924.1k19.924268%19.924268%19.9%24,09924.1k19.821429%19.821429%19.8%2221219.788401%19.788401%19.8%5051319.667897%19.667897%19.7%5331419.577895%19.577895%19.6%7051519.512483%19.512483%19.5%259,501260k19.501336%19.501336%19.5%6571619.294377%19.294377%19.3%3501719.180819%19.180819%19.2%1,1521818.902145%18.902145%18.9%3,5331918.256773%18.256773%18.3%4652018.128426%18.128426%18.1%4632118.098426%18.098426%18.1%2,9202217.642586%17.642586%17.6%4642317.395264%17.395264%17.4%1912417.387721%17.387721%17.4%4222517.084909%17.084909%17.1%4972616.510670%16.510670%16.5%4412716.251154%16.251154%16.3%1762813.636364%13.636364%13.6%62910.309278%10.309278%10.3%5030

Age Cohorts by County in Maine

There are 16 counties in Maine. This section compares Kennebec County to all of the counties in Maine and to those entities that contain or substantially overlap with Kennebec County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Kennebec County, selected other counties in Maine, and entities that contain Kennebec County
0%5%10%15%20%Count#United States of AmericaUnited StatesAndroscoggin CountyAndroscogginNortheastNew EnglandSomerset CountySomersetOxford CountyOxfordAugusta and Waterville Metro AreaAugusta AreaKennebec CountyKennebecYork CountyYorkCumberland CountyCumberlandWaldo CountyWaldoMaineSagadahoc CountySagadahocWashington CountyWashingtonAroostook CountyAroostookPenobscot CountyPenobscotKnox CountyKnoxFranklin CountyFranklinPiscataquis CountyPiscataquisHancock CountyHancockLincoln CountyLincoln23.108006%23.108006%23.1%73,612,43873.6M22.024475%22.024475%22.0%23,64923.6k121.341491%21.341491%21.3%11,965,27112.0M20.620396%20.620396%20.6%3,024,7813.02M19.985203%19.985203%20.0%10,26510.3k219.925304%19.925304%19.9%11,41711.4k319.924268%19.924268%19.9%24,09924.1k19.924268%19.924268%19.9%24,09924.1k419.854291%19.854291%19.9%39,81539.8k519.645806%19.645806%19.6%56,62056.6k619.607893%19.607893%19.6%7,661719.512483%19.512483%19.5%259,501260k19.308932%19.308932%19.3%6,784819.063430%19.063430%19.1%6,086918.860313%18.860313%18.9%13,09013.1k1018.700728%18.700728%18.7%28,60828.6k1118.465644%18.465644%18.5%7,3341218.278824%18.278824%18.3%5,5331317.677775%17.677775%17.7%3,0131417.669732%17.669732%17.7%9,6271517.269135%17.269135%17.3%5,90016

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Kennebec County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Kennebec 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 Kennebec County, selected other counties in the United States, and entities that contain Kennebec 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 CountyQueensAugusta and Waterville Metro AreaAugusta AreaKennebec CountyKennebecPalm Beach CountyPalm BeachMaineAllegheny 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%472,878473k4719.924268%19.924268%19.9%24,09924.1k19.924268%19.924268%19.9%24,09924.1k19.641010%19.641010%19.6%274,730275k4819.512483%19.512483%19.5%259,501260k19.092867%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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