Age and Sex in Perkins 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, Perkins County, and other counties in South Dakota
Perkins County
South Dakota
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41585.234%5.23%1003.312%3.31%1143.776%3.78%1304.306%4.31%1033.412%3.41%732.418%2.42%1153.809%3.81%1113.677%3.68%2869.473%9.47%2337.718%7.72%1484.902%4.90%1434.737%4.74%1675.532%5.53%1705.631%5.63%1324.372%4.37%983.246%3.25%50.166%0.17%541.789%1.79%361.192%1.19%953.147%3.15%1926.360%6.36%1926.360%6.36%1645.432%5.43%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of South Dakota and Perkins County
Female Male
South Dakota
Perkins County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.310993%-0.190792%-0.040143%-0.310993%0.31%0.310993%0.001840%0.190792%0.312834%0.31%67822.458%22.5%-0.684995%-0.002650%-0.619662%-0.687645%0.69%0.684995%0.619662%0.010194%0.684995%0.68%1,03634.316%34.3%-0.509735%-0.023923%-0.616677%-0.533657%0.53%0.509735%0.616677%0.050440%0.509735%0.51%56718.781%18.8%-0.107652%-0.703507%-0.107652%0.11%0.107652%0.571381%0.703507%0.053404%0.679033%0.68%953.147%3.15%-0.574142%-0.665250%-0.574142%0.57%0.574142%0.034964%0.665250%0.037829%0.609105%0.61%64321.298%21.3%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval 265+ 340-64 422-39 518-21 60-17

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of South Dakota and Perkins County
Female Male
South Dakota
Perkins County
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.153196%-0.020702%-0.050268%-0.047918%-0.173899%0.2%0.153196%0.050268%0.153196%0.2%1585.234%5.23%-0.251739%-0.158993%-0.183372%-0.063897%-0.410732%0.4%0.251739%0.183372%0.251739%0.3%1003.312%3.31%-0.364359%-0.026499%-0.230137%-0.052123%-0.390858%0.4%0.364359%0.230137%0.364359%0.4%1143.776%3.78%-0.357734%-0.320589%-0.030785%-0.357734%0.4%0.357734%0.145744%0.320589%0.503478%0.5%1304.306%4.31%-0.441647%-0.407101%-0.029179%-0.441647%0.4%0.441647%0.253947%0.407101%0.695595%0.7%1033.412%3.41%-0.563100%-0.082809%-0.514654%-0.645909%0.6%0.563100%0.514654%0.071558%0.563100%0.6%732.418%2.42%-0.596224%-0.587112%-0.015628%-0.596224%0.6%0.596224%0.077288%0.587112%0.673512%0.7%1153.809%3.81%-0.794965%-0.651013%-0.794965%0.8%0.794965%0.248427%0.651013%0.000705%1.043392%1.0%1113.677%3.68%-0.940709%-0.013249%-0.690693%-0.953958%1.0%0.940709%0.690693%0.010881%0.940709%0.9%2869.473%9.47%-0.728718%-0.675207%-0.728718%0.7%0.728718%0.086121%0.675207%0.007121%0.814839%0.8%2337.718%7.72%-0.344485%-0.291487%-0.569667%-0.635972%0.6%0.344485%0.569667%0.015816%0.344485%0.3%1484.902%4.90%-0.443856%-0.540692%-0.443856%0.4%0.443856%0.059622%0.540692%0.026250%0.503478%0.5%1434.737%4.74%-0.529977%-0.563487%-0.529977%0.5%0.529977%0.046373%0.563487%0.042935%0.576350%0.6%1675.532%5.53%-0.516727%-0.634222%-0.516727%0.5%0.516727%0.092746%0.634222%0.040890%0.609473%0.6%1705.631%5.63%-0.430606%-0.013249%-0.627877%-0.443856%0.4%0.430606%0.627877%0.060865%0.430606%0.4%1324.372%4.37%-0.364359%-0.353318%-0.657417%-0.717677%0.7%0.364359%0.657417%0.061492%0.364359%0.4%983.246%3.25%-0.000000%-0.720280%0.000000%0.0%0.000000%0.165618%0.720280%0.072850%0.165618%0.2%50.166%0.17%-0.000000%-0.715227%0.000000%0.0%0.000000%1.788672%0.715227%0.062040%1.788672%1.8%541.789%1.79%-0.215303%-0.689260%-0.215303%0.2%0.215303%0.165618%0.689260%0.039363%0.380921%0.4%361.192%1.19%-0.364359%-0.629060%-0.364359%0.4%0.364359%0.320194%0.629060%0.040655%0.684553%0.7%953.147%3.15%-0.629347%-0.013249%-0.636267%-0.642597%0.6%0.629347%0.636267%0.045567%0.629347%0.6%1926.360%6.36%-0.563100%-0.688367%-0.563100%0.6%0.563100%0.145744%0.688367%0.039668%0.708844%0.7%1926.360%6.36%-0.443856%-0.198741%-0.692832%-0.642597%0.6%0.443856%0.692832%0.026555%0.443856%0.4%1645.432%5.43%
Count number of people in age cohort
% age cohort as a percentage of the total population
1normalized with respect to the number of years in each interval

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of South Dakota and Perkins County
More Females More Males
South Dakota
Perkins County
50%0%50%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-2418-1915-1710-145-90-4-13.513514%-95.325055%-13.513514%13.5%0.8810.8853.165%53.2%46.835%46.8%-63.157895%-34.845572%-63.157895%63.2%0.6130.6162.000%62.0%38.000%38.0%-7.272727%-22.648831%-7.272727%7.3%0.9320.9351.754%51.8%48.246%48.2%-9.602698%40.740741%40.740741%40.7%1.4071.4141.538%41.5%58.462%58.5%-7.167597%57.500000%57.500000%57.5%1.5751.5838.835%38.8%61.165%61.2%-14.705882%-14.705882%14.7%13.904110%0.8720.8753.425%53.4%46.575%46.6%-2.661775%12.962963%12.962963%13.0%1.1301.1346.957%47.0%53.043%53.0%31.250000%0.108293%31.250000%31.3%1.3131.3143.243%43.2%56.757%56.8%-1.408451%-1.408451%1.4%1.575312%0.9860.9950.350%50.3%49.650%49.7%11.818182%1.054573%11.818182%11.8%1.1181.1247.210%47.2%52.790%52.8%-84.615385%-84.615385%84.6%2.776288%0.5420.5464.865%64.9%35.135%35.1%13.432836%4.854833%13.432836%13.4%1.1341.1346.853%46.9%53.147%53.1%8.750000%7.619485%8.750000%8.7%1.0881.0947.904%47.9%52.096%52.1%17.948718%6.447310%17.948718%17.9%1.1791.1845.882%45.9%54.118%54.1%-3.076923%-3.076923%3.1%9.693839%0.9700.9750.758%50.8%49.242%49.2%-96.969697%-96.969697%97.0%9.353590%0.5080.5166.327%66.3%33.673%33.7%76.923077%5.710876%76.923077%76.9%1.7691.7736.111%36.1%63.889%63.9%87.878788%6.462860%87.878788%87.9%1.8791.8834.737%34.7%65.263%65.3%-2.105263%-2.105263%2.1%7.161588%0.9790.9850.521%50.5%49.479%49.5%25.882353%5.762666%25.882353%25.9%1.2591.2644.271%44.3%55.729%55.7%-44.776119%-44.776119%44.8%3.832847%0.6910.6959.146%59.1%40.854%40.9%
M:F ratio of males to females in the age cohort
F females as a percentage of the age cohort
M males as a percentage of the age cohort

Map of Age Cohorts by County Subdivision in Perkins County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%13%26%38%51%64%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0%15%30%46%61%76%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0%8%16%24%32%40%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0%10%20%30%40%50%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
0%11%22%33%43%55%

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%20%40%60%80%100%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0%7%15%22%29%37%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0%20%40%60%80%100%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Perkins County

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
13.8%16.3%18.8%21.3%23.8%26.3%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
2.57%2.85%3.13%3.40%3.68%3.96%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
3.7%5.1%6.4%7.7%9.0%10.4%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
10.52%10.82%11.11%11.40%11.69%11.99%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
7.3%8.3%9.2%10.1%11.1%12.0%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
14.7%16.5%18.2%19.9%21.7%23.4%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
11.3%12.9%14.5%16.0%17.5%19.1%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
5.9%6.9%8.0%9.0%10.0%11.0%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
6.2%7.2%8.0%8.9%9.7%10.6%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Perkins County

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

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Perkins County, selected places in Perkins County, and entities that contain Perkins County
0%5%10%15%20%Count#South DakotaWest North CentralMidwestUnited States of AmericaUnited StatesBisonPerkins CountyPerkinsLemmonPrairie City24.629931%24.629931%24.6%209,615210k23.689691%23.689691%23.7%4,971,0164.97M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.346369%22.346369%22.3%80121.298443%21.298443%21.3%64317.621145%17.621145%17.6%24020.000000%0.000000%0.0%03
Count number of children
# rank of place out of 3 by %

Age Cohorts by County Subdivision in Perkins County

There are 52 county subdivisions in Perkins County. This section compares the 50 most populous of those to each other, Perkins County, and other entities that contain or substantially overlap with Perkins County. The least populous of the compared county subdivisions has a population of 0.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Perkins County, selected county subdivisions in Perkins County, and entities that contain Perkins County
0%20%40%60%Count#Viking TownshipVikingVail TownshipFlat Creek TownshipFlat CrkRainbow TownshipRainbowLincoln TownshipLincolnSouth PerkinsWells TownshipWellsChance TownshipChanceMaltby TownshipMaltbyGlendo TownshipGlendoMarshfield TownshipMarshfieldEnglewood TownshipEnglewoodSouth DakotaWest North CentralCentral PerkinsCntrl PerkinsMidwestUnited States of AmericaUnited StatesLone Tree TownshipLone TreeTown of BisonPerkins CountyPerkinsCastle ButteDuell TownshipDuellLemmonWhite HillRockford TownshipRockfordNortheast PerkinsNE PerkinsChaudoin TownshipChaudoinMoreau TownshipMoreauBison TownshipBisonWhite Butte TownshipWhite ButteLodgepole TownshipLodgepoleSidney TownshipSidneyBeck-Highland TownshipBeck-HighlandCash TownshipDe Witt TownshipDe WittDuck CreekAntelope TownshipAntelopeBarrett TownshipBarrettMeadow TownshipMdwScotch Cap TownshipScotch CapVrooman TownshipVroomanWilson TownshipWilsonAda TownshipMartin TownshipMartinFoster TownshipFosterStrool TownshipStroolPlateau TownshipPlateauJonesBurdick TownshipBurdick64.000000%64.000000%64.0%16163.636364%63.636364%63.6%7258.333333%58.333333%58.3%14357.894737%57.894737%57.9%11448.648649%48.648649%48.6%72543.386243%43.386243%43.4%82642.105263%42.105263%42.1%8735.000000%35.000000%35.0%14833.333333%33.333333%33.3%5933.333333%33.333333%33.3%101025.806452%25.806452%25.8%81125.423729%25.423729%25.4%151224.629931%24.629931%24.6%209,615210k23.689691%23.689691%23.7%4,971,0164.97M23.255814%23.255814%23.3%201323.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.727273%22.727273%22.7%51422.346369%22.346369%22.3%801521.298443%21.298443%21.3%64318.518519%18.518519%18.5%51618.181818%18.181818%18.2%41717.621145%17.621145%17.6%2401812.500000%12.500000%12.5%31912.500000%12.500000%12.5%32012.213740%12.213740%12.2%162110.526316%10.526316%10.5%22210.000000%10.000000%10.0%2238.333333%8.333333%8.3%1240.000000%0.000000%0.0%0250.000000%0.000000%0.0%0260.000000%0.000000%0.0%0270.000000%0.000000%0.0%0280.000000%0.000000%0.0%0290.000000%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%0340.000000%0.000000%0.0%0350.000000%0.000000%0.0%0360.000000%0.000000%0.0%0370.000000%0.000000%0.0%0380.000000%0.000000%0.0%0390.000000%0.000000%0.0%0400.000000%0.000000%0.0%0410.000000%0.000000%0.0%0420.000000%0.000000%0.0%0430.000000%0.000000%0.0%044
Count number of children
# rank of county subdivision out of 44 by %

Age Cohorts by County in South Dakota

There are 66 counties in South Dakota. This section compares Perkins County to the 50 most populous counties in South Dakota and to those entities that contain or substantially overlap with Perkins 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 Perkins County, selected other counties in South Dakota, and entities that contain Perkins 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
Count number of children
# rank of county out of 50 by %

Age Cohorts by County in the United States

There are 3,142 counties in the United States. This section compares Perkins County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Perkins 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 Perkins County, selected other counties in the United States, and entities that contain Perkins 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 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 CountyAlamedaPerkins CountyPerkinsKing 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%493,981494k1723.689691%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%344,212344k4321.298443%21.298443%21.3%64320.896492%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
Count number of children
# rank of county out of 50 by %

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.

More Topics to Explore

Demographics

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More Maps to Explore

Cities:
Lemmon
Towns:
Bison
Townships:
Ada, Antelope, Barrett, Beck-Highland, Bison, Burdick, Cash, Chance, Chaudoin, Clark, De Witt, Duell, Englewood, Flat Creek, Foster, Fredlund, Glendo, Grand River, Hall, Horse Creek, Liberty, Lincoln, Lodgepole, Lone Tree, Maltby, Marshfield, Martin, Meadow, Moreau, Plateau, Rainbow, Rockford, Scotch Cap, Sidney, Strool, Trail, Vail, Viking, Vrooman, Wells, White Butte, Wilson
Unincorporated Places:
Prairie City
Unorganized Territories:
Castle Butte, Central Perkins, Duck Creek, Jones, Northeast Perkins, Pleasant Valley, South Perkins, White Hill
ZIP Codes:
57620, 57626, 57638, 57640, 57644, 57649, 57758
Unified School Districts:
Bison 52-1, Faith 46-2, Lemmon 52-4
Congressional District:
SD-At Large
State Senate District:
SD-28
State House District:
SD-28B
Neighboring Counties:
Adams, Butte, Corson, Harding, Meade, Ziebach