Age and Sex in Clark County, South Dakota (County)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the counties in South Dakota.
Scope: population of South Dakota, Clark County, and other counties in South Dakota
Clark County
South Dakota
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41403.847%3.85%1002.748%2.75%1484.067%4.07%1784.891%4.89%882.418%2.42%982.693%2.69%1373.765%3.76%1724.727%4.73%2486.815%6.82%2516.897%6.90%1804.946%4.95%1694.644%4.64%1624.452%4.45%1895.194%5.19%1965.386%5.39%1353.710%3.71%982.693%2.69%120.330%0.33%732.006%2.01%1574.314%4.31%1965.386%5.39%2206.046%6.05%2928.024%8.02%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of South Dakota and Clark County
Female Male
South Dakota
Clark County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.248084%-0.077860%-0.190792%-0.040143%-0.325944%0.33%0.248084%0.190792%0.248084%0.25%75220.665%20.7%-0.601264%-0.619662%-0.601264%0.60%0.601264%0.069250%0.619662%0.010194%0.670514%0.67%1,15731.794%31.8%-0.483955%-0.616677%-0.483955%0.48%0.483955%0.073280%0.616677%0.050440%0.557235%0.56%68218.741%18.7%-0.357241%-0.703507%-0.357241%0.36%0.357241%0.542732%0.703507%0.053404%0.899973%0.90%1835.029%5.03%-0.656469%-0.665250%-0.656469%0.66%0.656469%0.007633%0.665250%0.037829%0.664102%0.66%86523.770%23.8%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of South Dakota and Clark County
Female Male
South Dakota
Clark County
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.068700%-0.103050%-0.050268%-0.047918%-0.171750%0.2%0.068700%0.050268%0.068700%0.1%1403.847%3.85%-0.164880%-0.219841%-0.183372%-0.063897%-0.384721%0.4%0.164880%0.183372%0.164880%0.2%1002.748%2.75%-0.379225%-0.230137%-0.052123%-0.379225%0.4%0.379225%0.054960%0.230137%0.434185%0.4%1484.067%4.07%-0.428689%-0.120912%-0.320589%-0.030785%-0.549602%0.5%0.428689%0.320589%0.428689%0.4%1784.891%4.89%-0.348081%-0.407101%-0.029179%-0.348081%0.3%0.348081%0.109920%0.407101%0.458001%0.5%882.418%2.42%-0.659522%-0.027480%-0.514654%-0.687002%0.7%0.659522%0.514654%0.071558%0.659522%0.7%982.693%2.69%-0.549602%-0.587112%-0.015628%-0.549602%0.5%0.549602%0.155720%0.587112%0.705322%0.7%1373.765%3.76%-1.044243%-0.651013%-1.044243%1.0%1.044243%0.274801%0.651013%0.000705%1.319044%1.3%1724.727%4.73%-0.676010%-0.690693%-0.676010%0.7%0.676010%0.010992%0.690693%0.010881%0.687002%0.7%2486.815%6.82%-0.670514%-0.675207%-0.670514%0.7%0.670514%0.038472%0.675207%0.007121%0.708986%0.7%2516.897%6.90%-0.483649%-0.021984%-0.569667%-0.505633%0.5%0.483649%0.569667%0.015816%0.483649%0.5%1804.946%4.95%-0.406705%-0.540692%-0.406705%0.4%0.406705%0.115416%0.540692%0.026250%0.522121%0.5%1694.644%4.64%-0.423193%-0.563487%-0.423193%0.4%0.423193%0.043968%0.563487%0.042935%0.467161%0.5%1624.452%4.45%-0.483649%-0.634222%-0.483649%0.5%0.483649%0.071448%0.634222%0.040890%0.555098%0.6%1895.194%5.19%-0.494641%-0.627877%-0.494641%0.5%0.494641%0.087936%0.627877%0.060865%0.582578%0.6%1965.386%5.39%-0.567922%-0.657417%-0.567922%0.6%0.567922%0.100760%0.657417%0.061492%0.668682%0.7%1353.710%3.71%-0.219841%-0.720280%-0.219841%0.2%0.219841%2.253366%0.720280%0.072850%2.473207%2.5%982.693%2.69%-0.109920%-0.109920%-0.715227%-0.219841%0.2%0.109920%0.715227%0.062040%0.109920%0.1%120.330%0.33%-0.494641%-0.689260%-0.494641%0.5%0.494641%0.013740%0.689260%0.039363%0.508381%0.5%732.006%2.01%-0.705322%-0.629060%-0.705322%0.7%0.705322%0.027480%0.629060%0.040655%0.732802%0.7%1574.314%4.31%-0.505633%-0.636267%-0.505633%0.5%0.505633%0.065952%0.636267%0.045567%0.571586%0.6%1965.386%5.39%-0.566090%-0.688367%-0.566090%0.6%0.566090%0.076944%0.688367%0.039668%0.643034%0.6%2206.046%6.05%-0.736466%-0.131904%-0.692832%-0.868370%0.9%0.736466%0.692832%0.026555%0.736466%0.7%2928.024%8.02%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of South Dakota and Clark County
More Females More Males
South Dakota
Clark County
0%500%1,000%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-150.000000%-95.325055%-150.000000%150.0%0.4000.4071.429%71.4%28.571%28.6%-133.333333%-34.845572%-133.333333%133.3%0.4290.4370.000%70.0%30.000%30.0%-22.648831%14.492754%14.492754%14.5%1.1451.1446.622%46.6%53.378%53.4%-28.205128%-9.602698%-28.205128%28.2%0.7800.7856.180%56.2%43.820%43.8%-7.167597%31.578947%31.578947%31.6%1.3161.3243.182%43.2%56.818%56.8%-4.166667%-4.166667%4.2%13.904110%0.9600.9651.020%51.0%48.980%49.0%-2.661775%28.333333%28.333333%28.3%1.2831.2843.796%43.8%56.204%56.2%26.315789%0.108293%26.315789%26.3%1.2631.2644.186%44.2%55.814%55.8%1.626016%1.575312%1.626016%1.6%1.0161.0249.597%49.6%50.403%50.4%5.737705%1.054573%5.737705%5.7%1.0571.0648.606%48.6%51.394%51.4%-4.545455%-4.545455%4.5%2.776288%0.9570.9651.111%51.1%48.889%48.9%28.378378%4.854833%28.378378%28.4%1.2841.2843.787%43.8%56.213%56.2%10.389610%7.619485%10.389610%10.4%1.1041.1047.531%47.5%52.469%52.5%14.772727%6.447310%14.772727%14.8%1.1481.1546.561%46.6%53.439%53.4%17.777778%9.693839%17.777778%17.8%1.1781.1845.918%45.9%54.082%54.1%17.741935%9.353590%17.741935%17.7%1.1771.1845.926%45.9%54.074%54.1%1,000.000000%10.114192%1,000.000000%> 1000%11.25011.38.163%8.16%91.837%91.8%-100.000000%-100.000000%100.0%8.674224%0.5000.5066.667%66.7%33.333%33.3%2.777778%5.710876%2.777778%2.8%1.0281.0349.315%49.3%50.685%50.7%3.896104%6.462860%3.896104%3.9%1.0391.0449.045%49.0%50.955%51.0%13.043478%7.161588%13.043478%13.0%1.1301.1346.939%46.9%53.061%53.1%13.592233%5.762666%13.592233%13.6%1.1361.1446.818%46.8%53.182%53.2%-17.910448%-17.910448%17.9%3.832847%0.8480.8554.110%54.1%45.890%45.9%

Map of Age Cohorts by County Subdivision in Clark County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%12%23%35%47%59%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0%8%16%24%32%40%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%4.9%9.8%14.7%19.6%24.6%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0%7%15%22%29%37%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0%8%17%25%33%42%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
0%20%40%60%80%100%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
0%16%31%47%63%79%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0%7%14%21%28%36%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0.0%4.2%8.5%12.7%17.0%21.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Clark County

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
12.0%15.8%19.4%23.1%26.8%30.5%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
1.3%3.6%5.8%8.1%10.3%12.6%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
0.6%4.2%7.6%11.1%14.6%18.1%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
5.6%6.8%8.0%9.2%10.4%11.6%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
6.1%8.2%10.2%12.2%14.3%16.3%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
10.5%11.9%13.3%14.7%16.1%17.5%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
7.5%11.5%15.4%19.4%23.3%27.3%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
4.3%7.2%10.0%12.9%15.7%18.6%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
1.6%5.4%9.1%12.8%16.6%20.3%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Clark County

There are 8 places in Clark County. This section compares all 8 of those to each other, Clark County, and other entities that contain or substantially overlap with Clark County.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Clark County, selected places in Clark County, and entities that contain Clark County
0%10%20%30%40%Count#NaplesViennaWillow LakeBradleySouth DakotaClark CountyClarkWest North CentralMidwestUnited States of AmericaUnited StatesClarkGarden CityRaymondCrocker40.000000%40.000000%40.0%8134.375000%34.375000%34.4%11229.941860%29.941860%29.9%103325.000000%25.000000%25.0%20424.629931%24.629931%24.6%209,615210k23.770267%23.770267%23.8%86523.689691%23.689691%23.7%4,971,0164.97M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M17.384106%17.384106%17.4%210512.500000%12.500000%12.5%563.278689%3.278689%3.3%270.000000%0.000000%0.0%08

Age Cohorts by County Subdivision in Clark County

There are 34 county subdivisions in Clark County. This section compares all 34 of those to each other, Clark County, and other entities that contain or substantially overlap with Clark County.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Clark County, selected county subdivisions in Clark County, and entities that contain Clark County
0%20%40%Count#Thorp TownshipThorpMount Pleasant TownshipMt PleasantMaydell TownshipMaydellDarlington TownshipDarlingtonPleasant TownshipPleasantTown of NaplesNaplesWarren TownshipWarrenDay TownshipTown of ViennaViennaAsh TownshipFoxton TownshipFoxtonWillow LakeWashington TownshipWashingtonEden TownshipRichland TownshipRichlandMerton TownshipMertonWoodland TownshipWdlndTown of BradleyBradleySouth DakotaClark CountyClarkWest North CentralMidwestUnited States of AmericaUnited StatesElrod TownshipElrodCollins TownshipCollinsClarkLake TownshipBlaine TownshipBlaineRosedale TownshipRosedaleTown of Garden CityGdn CityLincoln TownshipLincolnGarfield TownshipGarfieldCottonwood TownshipCottonwoodTown of RaymondRaymondFordham TownshipFordhamSpring Valley TownshipSpg VlyHague TownshipHagueLogan TownshipLoganRaymond TownshipRaymond58.333333%58.333333%58.3%28152.252252%52.252252%52.3%58250.000000%50.000000%50.0%55341.666667%41.666667%41.7%15440.909091%40.909091%40.9%90540.000000%40.000000%40.0%8635.555556%35.555556%35.6%16735.156250%35.156250%35.2%45834.375000%34.375000%34.4%11932.432432%32.432432%32.4%121032.258065%32.258065%32.3%101129.941860%29.941860%29.9%1031229.824561%29.824561%29.8%171327.272727%27.272727%27.3%91427.083333%27.083333%27.1%391526.530612%26.530612%26.5%261625.925926%25.925926%25.9%141725.000000%25.000000%25.0%201824.629931%24.629931%24.6%209,615210k23.770267%23.770267%23.8%86523.689691%23.689691%23.7%4,971,0164.97M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M18.644068%18.644068%18.6%111918.446602%18.446602%18.4%192017.384106%17.384106%17.4%2102116.470588%16.470588%16.5%142215.000000%15.000000%15.0%62313.559322%13.559322%13.6%82412.500000%12.500000%12.5%52512.000000%12.000000%12.0%6267.272727%7.272727%7.3%4275.970149%5.970149%6.0%4283.278689%3.278689%3.3%2290.000000%0.000000%0.0%0300.000000%0.000000%0.0%0310.000000%0.000000%0.0%0320.000000%0.000000%0.0%0330.000000%0.000000%0.0%034

Age Cohorts by County in South Dakota

There are 66 counties in South Dakota. This section compares Clark County to the 50 most populous counties in South Dakota and to those entities that contain or substantially overlap with Clark County. The least populous of the compared counties has a population of 2,961.

Children by County#41

Percentage of population aged 0 to 17 (%):
Scope: population of Clark County, selected other counties in South Dakota, and entities that contain Clark County
0%10%20%30%40%Count#Todd CountyToddOglala Lakota CountyOglala LakotaDewey CountyDeweyCorson CountyCorsonBennett CountyBennettHanson CountyHansonJackson CountyJacksonHamlin CountyHamlinCharles Mix CountyCharles MixLincoln CountyLincolnLyman CountyLymanRoberts CountyRobertsMcCook CountyMcCookBeadle CountyBeadleBrule CountyBruleMoody CountyMoodyMinnehaha CountyMinnehahaUnion CountyUnionSouth DakotaCodington CountyCodingtonButte CountyButteEdmunds CountyEdmundsMeade CountyMeadeSpink CountySpinkStanley CountyStanleyPennington CountyPenningtonClark CountyClarkHughes CountyHughesWest North CentralTurner CountyTurnerGregory CountyGregoryBrown CountyBrownHutchinson CountyHutchinsonMidwestDeuel CountyDeuelUnited States of AmericaUnited StatesDavison CountyDavisonWalworth CountyWalworthMarshall CountyMarshallDouglas CountyDouglasTripp CountyTrippGrant CountyGrantLake CountyLakeKingsbury CountyKingsburyDay CountyDayYankton CountyYanktonPerkins CountyPerkinsHand CountyHandBrookings CountyBrookingsLawrence CountyLawrenceFall River CountyFall RiverBon Homme CountyBon HommeCuster CountyCusterClay CountyClay40.263499%40.263499%40.3%4,034137.783075%37.783075%37.8%5,389235.173390%35.173390%35.2%1,988334.604317%34.604317%34.6%1,443434.600871%34.600871%34.6%1,192532.477876%32.477876%32.5%1,101631.976744%31.976744%32.0%1,045730.809008%30.809008%30.8%1,847829.567748%29.567748%29.6%2,743929.074247%29.074247%29.1%14,94314.9k1028.845655%28.845655%28.8%1,1121128.298038%28.298038%28.3%2,9131226.513533%26.513533%26.5%1,4891325.981823%25.981823%26.0%4,7171425.545934%25.545934%25.5%1,3571525.321955%25.321955%25.3%1,6321625.096421%25.096421%25.1%45,67945.7k1724.747339%24.747339%24.7%3,6731824.629931%24.629931%24.6%209,615210k24.592986%24.592986%24.6%6,8581924.366965%24.366965%24.4%2,5022024.125000%24.125000%24.1%9652123.956781%23.956781%24.0%6,4302223.856859%23.856859%23.9%1,5602323.819163%23.819163%23.8%7062423.775839%23.775839%23.8%25,51125.5k2523.770267%23.770267%23.8%8652623.741295%23.741295%23.7%4,1592723.689691%23.689691%23.7%4,971,0164.97M23.585475%23.585475%23.6%1,9552823.571259%23.571259%23.6%9942923.481655%23.481655%23.5%9,0243023.251652%23.251652%23.3%1,6893123.217458%23.217458%23.2%15,712,75815.7M23.114412%23.114412%23.1%9963223.108006%23.108006%23.1%73,612,43873.6M22.861178%22.861178%22.9%4,5323322.661611%22.661611%22.7%1,2553422.601729%22.601729%22.6%1,0723522.559946%22.559946%22.6%6683622.465753%22.465753%22.5%1,2303721.945796%21.945796%21.9%1,5793821.944692%21.944692%21.9%2,7063921.834320%21.834320%21.8%1,1074021.385111%21.385111%21.4%1,1954121.334275%21.334275%21.3%4,8324221.298443%21.298443%21.3%6434320.718816%20.718816%20.7%6864419.880365%19.880365%19.9%6,6474518.669295%18.669295%18.7%4,6414618.126273%18.126273%18.1%1,2464718.011713%18.011713%18.0%1,2614817.118504%17.118504%17.1%1,4464916.907834%16.907834%16.9%2,37250

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Clark County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Clark 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 Clark County, selected other counties in the United States, and entities that contain Clark County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeSouth DakotaMecklenburg CountyMecklenburgMilwaukee CountyMilwaukeeSacramento CountySacramentoWayne CountyWayneFairfax CountyFairfaxClark CountyClarkClark CountyClarkWest North CentralFranklin CountyFranklinFairfield CountyFairfieldMontgomery CountyMontgomeryContra Costa CountyContra CostaKings CountyKingsMidwestHillsborough 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 CountyAlamedaKing CountyKingMiami-Dade CountyMiami-DadeMiddlesex CountyMiddlesexQueens CountyQueensPalm 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%249,554250k1124.629931%24.629931%24.6%209,615210k24.574361%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%493,981494k1723.770267%23.770267%23.8%86523.689691%23.689691%23.7%4,971,0164.97M23.668593%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%608,369608k2223.217458%23.217458%23.2%15,712,75815.7M23.197227%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%344,212344k4320.896492%20.896492%20.9%434,553435k4420.604500%20.604500%20.6%548,990549k4520.568254%20.568254%20.6%322,430322k4620.470812%20.470812%20.5%472,878473k4719.641010%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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