Age and Sex in the Town of Keystone, Pennington County, South Dakota (Town)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Pennington County.
Scope: population of Pennington County, the Town of Keystone, and other county subdivisions in Pennington County
Town of Keystone
Pennington County
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-420.629%0.63%103.145%3.14%113.459%3.46%113.459%3.46%10.314%0.31%92.830%2.83%165.031%5.03%82.516%2.52%3310.377%10.4%3711.635%11.6%268.176%8.18%185.660%5.66%165.031%5.03%216.604%6.60%103.145%3.14%51.572%1.57%41.258%1.26%103.145%3.14%206.289%6.29%72.201%2.20%268.176%8.18%82.516%2.52%92.830%2.83%
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 Pennington County and the Town of Keystone
Female Male
Pennington County
Town of Keystone
Shaded bar tips show excess over facing bar.
1%0%1%Count%Senior2Older Adult3Younger Adult4College5Children6-0.174703%-0.034941%-0.197425%-0.032179%-0.209644%0.2%0.174703%0.197425%0.174703%0.2%4413.836%13.8%-0.855346%-0.627486%-0.012302%-0.855346%0.9%0.855346%0.025157%0.627486%0.880503%0.9%13843.396%43.4%-0.401817%-0.645865%-0.401817%0.4%0.401817%0.104822%0.645865%0.052139%0.506639%0.5%5216.352%16.4%-1.022013%-0.573869%-1.022013%1.0%1.022013%0.628931%0.573869%0.097159%1.650943%1.7%3410.692%10.7%-0.279525%-0.642085%-0.279525%0.3%0.279525%0.314465%0.642085%0.036710%0.593990%0.6%5015.723%15.7%
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 Pennington County and the Town of Keystone
Female Male
Pennington County
Town of Keystone
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.039308%-0.049220%-0.032561%-0.039308%0.0%0.000000%0.049220%0.000000%0.0%20.629%0.63%-0.251572%-0.125786%-0.148372%-0.108856%-0.377358%0.4%0.251572%0.148372%0.251572%0.3%103.145%3.14%-0.251572%-0.251822%-0.017708%-0.251572%0.3%0.251572%0.188679%0.251822%0.440252%0.4%113.459%3.46%-0.314465%-0.062893%-0.351544%-0.044176%-0.377358%0.4%0.314465%0.351544%0.314465%0.3%113.459%3.46%-0.000000%-0.402928%-0.048463%0.000000%0.0%0.000000%0.104822%0.402928%0.104822%0.1%10.314%0.31%-0.471698%-0.471698%-0.495349%-0.943396%0.9%0.471698%0.495349%0.180805%0.471698%0.5%92.830%2.83%-0.733753%-0.209644%-0.578451%-0.086985%-0.943396%0.9%0.733753%0.578451%0.733753%0.7%165.031%5.03%-0.471698%-0.637477%-0.471698%0.5%0.471698%0.314465%0.637477%0.044269%0.786164%0.8%82.516%2.52%-0.754717%-0.764227%-0.012302%-0.754717%0.8%0.754717%0.566038%0.764227%1.320755%1.3%3310.377%10.4%-1.132075%-0.670469%-0.004846%-1.132075%1.1%1.132075%0.062893%0.670469%1.194969%1.2%3711.635%11.6%-0.314465%-1.006289%-0.554344%-0.003169%-1.320755%1.3%0.314465%0.554344%0.314465%0.3%268.176%8.18%-0.314465%-0.528621%-0.006710%-0.314465%0.3%0.314465%0.503145%0.528621%0.817610%0.8%185.660%5.66%-0.503145%-0.602062%-0.503145%0.5%0.503145%0.000000%0.602062%0.071576%0.503145%0.5%165.031%5.03%-0.628931%-0.669537%-0.628931%0.6%0.628931%0.062893%0.669537%0.006897%0.691824%0.7%216.604%6.60%-0.000000%-0.702529%0.000000%0.0%0.000000%0.628931%0.702529%0.039143%0.628931%0.6%103.145%3.14%-0.000000%-0.524109%-0.584975%-0.524109%0.5%0.000000%0.584975%0.116809%0.000000%0.0%51.572%1.57%-0.628931%-0.601130%-0.023300%-0.628931%0.6%0.628931%0.000000%0.601130%0.628931%0.6%41.258%1.26%-0.943396%-1.257862%-0.619769%-2.201258%2.2%0.943396%0.619769%0.102518%0.943396%0.9%103.145%3.14%-0.628931%-0.525639%-0.628931%0.6%0.628931%1.886792%0.525639%0.154709%2.515723%2.5%206.289%6.29%-0.104822%-0.524109%-0.587771%-0.628931%0.6%0.104822%0.587771%0.051570%0.104822%0.1%72.201%2.20%-0.251572%-0.555090%-0.251572%0.3%0.251572%1.132075%0.555090%0.054614%1.383648%1.4%268.176%8.18%-0.062893%-0.721169%-0.062893%0.1%0.062893%0.377358%0.721169%0.030755%0.440252%0.4%82.516%2.52%-0.251572%-0.062893%-0.682585%-0.314465%0.3%0.251572%0.682585%0.015844%0.251572%0.3%92.830%2.83%
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 Pennington County and the Town of Keystone
More Females More Males
Pennington County
Town of Keystone
1,000%500%0%500%M:FFM85+80-8475-7970-7465-6662-6460-6155-5950-5445-4940-4435-3930-3422-24212018-1915-1710-145-90-4-1,000.000000%-66.153846%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-50.000000%-73.366834%-50.000000%50.0%0.6670.6760.000%60.0%40.000%40.0%-7.031828%75.000000%75.000000%75.0%1.7501.7536.364%36.4%63.636%63.6%-20.000000%-12.566278%-20.000000%20.0%0.8330.8354.545%54.5%45.455%45.5%-100.000000%-100.000000%100.0%36.500470%0.5000.5066.667%66.7%33.333%33.3%-28.571429%-15.037594%-28.571429%28.6%0.7780.7856.250%56.3%43.750%43.8%66.666667%6.944444%66.666667%66.7%1.6671.6737.500%37.5%62.500%62.5%-1.609756%75.000000%75.000000%75.0%1.7501.7536.364%36.4%63.636%63.6%-0.722825%5.555556%5.555556%5.6%1.0561.0648.649%48.6%51.351%51.4%-320.000000%-0.571621%-320.000000%320.0%0.2380.2480.769%80.8%19.231%19.2%-1.269394%160.000000%160.000000%160.0%2.6002.6027.778%27.8%72.222%72.2%0.000000%0.000000%0.0%11.888545%1.0001.0050.000%50.0%50.000%50.0%10.000000%1.030067%10.000000%10.0%1.1001.1047.619%47.6%52.381%52.4%-1,000.000000%-1,000.000000%> 1000%19.968136%0.0000100.000%100%0.000%0%0.000000%-3.875969%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%-133.333333%-133.333333%133.3%16.541353%0.4290.4370.000%70.0%30.000%30.0%300.000000%29.432624%300.000000%300.0%4.0004.0020.000%20.0%80.000%80.0%-500.000000%-500.000000%500.0%8.773784%0.1670.1785.714%85.7%14.286%14.3%450.000000%9.838818%450.000000%450.0%5.5005.5015.385%15.4%84.615%84.6%600.000000%4.264668%600.000000%600.0%7.0007.0012.500%12.5%87.500%87.5%-25.000000%-25.000000%25.0%2.321136%0.8000.8055.556%55.6%44.444%44.4%
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 Block in the Town of Keystone

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%8%16%24%33%41%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0.0%1.3%2.6%3.9%5.2%6.5%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%6%12%18%24%30%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0%20%40%60%80%100%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
0%8%15%22%30%38%

50s Age Cohorts by Block#10

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

60s Age Cohorts by Block#11

Percentage of population aged 60 to 69 (%):
0%10%20%30%40%50%

70s Age Cohorts by Block#12

Percentage of population aged 70 to 79 (%):
0%12%24%36%48%61%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0.0%4.0%8.0%12.0%16.0%20.0%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in the Rapid City Area

There are 59 county subdivisions in the Rapid City Area. This section compares the Town of Keystone to the 50 most populous county subdivisions in the Rapid City Area and to those entities that contain or substantially overlap with the Town of Keystone. The least populous of the compared county subdivisions has a population of 11.

Children by County Subdivision#14

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Keystone, selected other county subdivisions in the Rapid City Area, and entities that contain the Town of Keystone
0%20%40%60%Count#Northeast PenningtonNE PenningtonLake Hill TownshipLk HlFlat Butte TownshipFlat ButtePiedmontUnion TownshipUnionFaithFairview TownshipFairviewSummersetQuinn TownshipQuinnHill CityLake Creek TownshipLk CrkPeno TownshipBox ElderBelle Fourche-Cheyenne ValleysBelle Fourche-Che…Shyne TownshipShyneCentral PenningtonCntrl PenningtonBox ElderRapid City EastRapid City ESouth DakotaPennington CountyPenningtonTown of WastaWest North CentralRapid CitySturgisRapid City Metro AreaRapid CityMidwestUnited States of AmericaUnited StatesTown of WallNorth MeadeTown of QuinnTown of HermosaHermosa011005Tract 011005West CusterSouthwest MeadeSW MeadeMount RushmoreMt RushmoreEast Central PenningtonE Cntrl PenningtonAsh TownshipCedar Butte TownshipCedar ButteZIP Code 57751ZIP 57751KeystoneTown of KeystoneKeystoneCusterEast Custer011005-1B.G. 011005-1New UnderwoodTown of PringlePringleTown of FairburnFairburnWest PenningtonW PenningtonTown of Buffalo GapBuffalo GapScenic TownshipScenicCastle Butte TownshipCastle ButteDakota TownshipDakotaLakeside TownshipLakesideHuron TownshipHuronOwanka TownshipOwankaSmithville TownshipSmithvilleCrooked Creek TownshipCrooked CrkHoward TownshipHowardElm Springs TownshipElm SpgsLake Flat TownshipLk Flat60.000000%60.000000%60.0%9159.493671%59.493671%59.5%47250.000000%50.000000%50.0%17348.784878%48.784878%48.8%542438.636364%38.636364%38.6%17534.860051%34.860051%34.9%137634.782609%34.782609%34.8%8734.013921%34.013921%34.0%733833.333333%33.333333%33.3%13931.369661%31.369661%31.4%4261031.034483%31.034483%31.0%91130.379747%30.379747%30.4%241229.353398%29.353398%29.4%1,7751328.604517%28.604517%28.6%4941426.666667%26.666667%26.7%41526.613546%26.613546%26.6%3,6741626.274765%26.274765%26.3%8091725.843829%25.843829%25.8%5131824.629931%24.629931%24.6%209,615210k23.775839%23.775839%23.8%25,51125.5k23.728814%23.728814%23.7%281923.689691%23.689691%23.7%4,971,0164.97M23.561243%23.561243%23.6%17,06817.1k2023.483833%23.483833%23.5%1,5762123.415507%23.415507%23.4%33,38733.4k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.646310%22.646310%22.6%1782222.074468%22.074468%22.1%832321.917808%21.917808%21.9%162420.261438%20.261438%20.3%932519.905213%19.905213%19.9%46218.435880%18.435880%18.4%8182618.351184%18.351184%18.4%2,0392718.319116%18.319116%18.3%1,3102818.282548%18.282548%18.3%662917.142857%17.142857%17.1%63017.073171%17.073171%17.1%73116.124260%16.124260%16.1%10915.723270%15.723270%15.7%5015.723270%15.723270%15.7%503215.649718%15.649718%15.6%2773315.358362%15.358362%15.4%2253414.044944%14.044944%14.0%10013.344887%13.344887%13.3%773512.857143%12.857143%12.9%183611.392405%11.392405%11.4%93710.938434%10.938434%10.9%183386.185567%6.185567%6.2%6395.454545%5.454545%5.5%3400.000000%0.000000%0.0%0410.000000%0.000000%0.0%0420.000000%0.000000%0.0%0430.000000%0.000000%0.0%0440.000000%0.000000%0.0%0450.000000%0.000000%0.0%0460.000000%0.000000%0.0%0470.000000%0.000000%0.0%0480.000000%0.000000%0.0%0490.000000%0.000000%0.0%050
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in South Dakota

There are 1,335 county subdivisions in South Dakota. This section compares the Town of Keystone to the 50 most populous county subdivisions in South Dakota and to those entities that contain or substantially overlap with the Town of Keystone. The least populous of the compared county subdivisions has a population of 2,278.

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Keystone, selected other county subdivisions in South Dakota, and entities that contain the Town of Keystone
0%10%20%30%40%Count#West ToddEast CorsonEast Oglala LakotaE Oglala LakotaEast ToddNorth DeweyHarrisburgWest Oglala LakotaW Oglala LakotaTeaBrandonHartfordDell RapidsBox ElderSissetonSioux FallsSplit Rock TownshipSplit RockWest HughesSpringdale TownshipSpringdaleWest ButteBig Sioux TownshipBig SiouxHuronCentral PenningtonCntrl PenningtonChamberlainBox ElderSouth DakotaWatertownSioux FallsBelle FourchePennington CountyPenningtonWest North CentralRapid CitySturgisRapid City Metro AreaRapid CityFort PierreAberdeenMidwestRedfieldUnited States of AmericaUnited StatesMitchellWinnerMadisonCantonPierreLeadNorth Sioux CityN Sioux CityYanktonWest YanktonMilbank011005Tract 011005MobridgeSpearfishWest CusterSouthwest MeadeSW MeadeMount RushmoreMt RushmoreBrookingsNorth LawrenceN LawrenceHot SpringsZIP Code 57751ZIP 57751KeystoneTown of KeystoneKeystoneVermillion011005-1B.G. 011005-140.204966%40.204966%40.2%2,040139.915156%39.915156%39.9%1,035238.953694%38.953694%39.0%2,204338.696211%38.696211%38.7%1,205438.562640%38.562640%38.6%1,379537.609671%37.609671%37.6%1,929637.040528%37.040528%37.0%3,144736.927398%36.927398%36.9%1,709833.109365%33.109365%33.1%3,203932.080537%32.080537%32.1%9561030.067295%30.067295%30.1%1,1171129.353398%29.353398%29.4%1,7751229.045488%29.045488%29.0%7791328.068158%28.068158%28.1%6,8361427.532629%27.532629%27.5%8861527.411765%27.411765%27.4%6991627.257094%27.257094%27.3%6341727.196653%27.196653%27.2%6501827.129788%27.129788%27.1%9491926.648414%26.648414%26.6%3,5042026.613546%26.613546%26.6%3,6742126.333584%26.333584%26.3%7012226.274765%26.274765%26.3%8092324.629931%24.629931%24.6%209,615210k24.375738%24.375738%24.4%5,3692424.232733%24.232733%24.2%34,78134.8k2523.981742%23.981742%24.0%1,3662623.775839%23.775839%23.8%25,51125.5k23.689691%23.689691%23.7%4,971,0164.97M23.561243%23.561243%23.6%17,06817.1k2723.483833%23.483833%23.5%1,5762823.415507%23.415507%23.4%33,38733.4k23.353819%23.353819%23.4%5322923.302019%23.302019%23.3%6,4743023.217458%23.217458%23.2%15,712,75815.7M23.212321%23.212321%23.2%6333123.108006%23.108006%23.1%73,612,43873.6M22.953235%22.953235%23.0%3,5833222.898347%22.898347%22.9%6513322.870018%22.870018%22.9%1,6243422.686025%22.686025%22.7%7503522.458629%22.458629%22.5%3,1353622.327869%22.327869%22.3%6813721.578345%21.578345%21.6%5663821.522112%21.522112%21.5%3,1393921.372106%21.372106%21.4%7574020.602706%20.602706%20.6%6704119.905213%19.905213%19.9%46219.421965%19.421965%19.4%6724219.362921%19.362921%19.4%2,1644318.435880%18.435880%18.4%8184418.351184%18.351184%18.4%2,0394518.319116%18.319116%18.3%1,3104617.624077%17.624077%17.6%4,1054717.436333%17.436333%17.4%1,0274817.086835%17.086835%17.1%6104916.124260%16.124260%16.1%10915.723270%15.723270%15.7%5015.723270%15.723270%15.7%5014.910002%14.910002%14.9%1,6075014.044944%14.044944%14.0%100
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the Midwest

There are 19,478 county subdivisions in the Midwest. This section compares the Town of Keystone to the 50 most populous county subdivisions in the Midwest and to those entities that contain or substantially overlap with the Town of Keystone. The least populous of the compared county subdivisions has a population of 112,821.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Keystone, selected other county subdivisions in the Midwest, and entities that contain the Town of Keystone
0%10%20%Count#OlatheAurora TownshipAuroraKansas CityWayne TownshipWayneMilwaukeeWichitaLawrence TownshipLawrenceNorth TownshipNSt. PaulDetroitOmahaSouth DakotaThornton TownshipThorntonSioux FallsRockford TownshipRockfordMilton TownshipMiltonBlue TownshipGrand RapidsPennington CountyPenningtonTopekaWest North CentralPalatine TownshipPalatineProviso TownshipProvisoRapid City Metro AreaRapid CityDowners Grove TownshipDowners GrvToledoOverland ParkMidwestUnited States of AmericaUnited StatesWorth TownshipWorthClevelandCedar RapidsWarrenLincolnColumbusBloomingdale TownshipBloomingdaleCapital TownshipCapitalLisle TownshipLisleWheeling TownshipWheelingYork TownshipSchaumburg TownshipSchaumburgDaytonCincinnatiChicagoAkronCenter TownshipCtrMaine TownshipMaineWashington TownshipWashingtonSt. LouisSterling HeightsSterling HtsMinneapolisFargo011005Tract 011005Kaw TownshipSpringfield TownshipSpringfieldMadisonZIP Code 57751ZIP 57751KeystoneTown of KeystoneKeystone011005-1B.G. 011005-1Ann Arbor29.310098%29.310098%29.3%38,92038.9k128.976809%28.976809%29.0%42,91942.9k228.278188%28.278188%28.3%42,34842.3k327.826444%27.826444%27.8%39,26239.3k426.475933%26.475933%26.5%158,504159k525.967894%25.967894%26.0%100,764101k625.854317%25.854317%25.9%31,62531.6k725.508555%25.508555%25.5%40,40340.4k825.318684%25.318684%25.3%75,23775.2k925.218343%25.218343%25.2%172,353172k1025.047396%25.047396%25.0%110,978111k1124.629931%24.629931%24.6%209,615210k24.478487%24.478487%24.5%41,48141.5k1224.232733%24.232733%24.2%34,78134.8k1324.130412%24.130412%24.1%42,05442.1k1424.117607%24.117607%24.1%28,56228.6k1524.112045%24.112045%24.1%38,03038.0k1623.914961%23.914961%23.9%46,36846.4k1723.775839%23.775839%23.8%25,51125.5k23.720503%23.720503%23.7%30,23730.2k1823.689691%23.689691%23.7%4,971,0164.97M23.596819%23.596819%23.6%26,85226.9k1923.475670%23.475670%23.5%35,61435.6k2023.415507%23.415507%23.4%33,38733.4k23.327643%23.327643%23.3%34,71234.7k2123.297870%23.297870%23.3%65,43365.4k2223.297511%23.297511%23.3%42,81542.8k2323.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.039530%23.039530%23.0%35,21535.2k2422.998471%22.998471%23.0%89,50289.5k2522.994202%22.994202%23.0%29,78629.8k2622.854245%22.854245%22.9%30,86930.9k2722.619388%22.619388%22.6%61,75561.8k2822.597144%22.597144%22.6%185,081185k2922.578243%22.578243%22.6%25,47325.5k3022.459425%22.459425%22.5%26,15426.2k3122.348361%22.348361%22.3%26,63526.6k3222.283587%22.283587%22.3%34,53834.5k3322.227271%22.227271%22.2%27,88327.9k3422.157443%22.157443%22.2%29,26429.3k3522.121536%22.121536%22.1%31,22331.2k3622.113949%22.113949%22.1%65,90265.9k3721.913385%21.913385%21.9%594,733595k3821.641949%21.641949%21.6%42,96143.0k3921.428183%21.428183%21.4%31,52331.5k4020.781276%20.781276%20.8%28,36028.4k4120.516567%20.516567%20.5%27,94527.9k4220.242382%20.242382%20.2%63,97264.0k4320.047997%20.047997%20.0%26,39826.4k4419.962439%19.962439%20.0%80,78280.8k4519.917206%19.917206%19.9%23,09423.1k4619.905213%19.905213%19.9%46218.240862%18.240862%18.2%31,31531.3k4718.124235%18.124235%18.1%29,93029.9k4817.137062%17.137062%17.1%42,16342.2k4916.124260%16.124260%16.1%10915.723270%15.723270%15.7%5015.723270%15.723270%15.7%5014.044944%14.044944%14.0%10013.862661%13.862661%13.9%16,37016.4k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares the Town of Keystone to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with the Town of Keystone. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of the Town of Keystone, selected other county subdivisions in the United States, and entities that contain the Town of Keystone
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixOntarioSouth DakotaTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasPennington CountyPenningtonWest North CentralOceanside-EscondidoOceanside-Escond…Rapid City Metro AreaRapid CityBrooklynMidwestUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueens011005Tract 011005AtlantaMiamiSeattleWashingtonBostonZIP Code 57751ZIP 57751KeystoneTown of KeystoneKeystoneManhattan011005-1B.G. 011005-1San Francisco28.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k328.397448%28.397448%28.4%196,566197k427.641788%27.641788%27.6%235,492235k527.496527%27.496527%27.5%270,755271k626.987978%26.987978%27.0%154,609155k726.725236%26.725236%26.7%882,854883k826.475933%26.475933%26.5%158,504159k926.202297%26.202297%26.2%183,823184k1026.125729%26.125729%26.1%143,291143k1125.730246%25.730246%25.7%398,059398k1225.573137%25.573137%25.6%367,431367k1325.541202%25.541202%25.5%139,787140k1425.334430%25.334430%25.3%150,050150k1525.218343%25.218343%25.2%172,353172k1624.820142%24.820142%24.8%790,766791k1724.651051%24.651051%24.7%158,701159k1824.629931%24.629931%24.6%209,615210k24.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.105398%24.105398%24.1%270,060270k2124.003737%24.003737%24.0%138,756139k2223.974603%23.974603%24.0%448,315448k2323.775839%23.775839%23.8%25,51125.5k23.689691%23.689691%23.7%4,971,0164.97M23.555887%23.555887%23.6%155,230155k2423.415507%23.415507%23.4%33,38733.4k23.337305%23.337305%23.3%608,369608k2523.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2622.866327%22.866327%22.9%401,701402k2722.814001%22.814001%22.8%218,249218k2822.721955%22.721955%22.7%133,247133k2922.597144%22.597144%22.6%185,081185k3022.467309%22.467309%22.5%172,708173k3122.237882%22.237882%22.2%129,541130k3222.168125%22.168125%22.2%345,809346k3321.982996%21.982996%22.0%523,203523k3421.913385%21.913385%21.9%594,733595k3521.700117%21.700117%21.7%144,592145k3621.692326%21.692326%21.7%186,313186k3721.633042%21.633042%21.6%398,263398k3821.517750%21.517750%21.5%188,032188k3921.123671%21.123671%21.1%131,178131k4020.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.470812%20.470812%20.5%472,878473k4319.905213%19.905213%19.9%46219.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4517.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4816.124260%16.124260%16.1%10915.723270%15.723270%15.7%5015.723270%15.723270%15.7%5014.639548%14.639548%14.6%239,355239k4914.044944%14.044944%14.0%10013.481174%13.481174%13.5%114,628115k50
Count number of children
# rank of county subdivision 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.

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State:
South Dakota
County:
Pennington
Metro Area:
Rapid City Area
Town:
Keystone
ZIP Code:
57751
Unified School Districts:
Hill 51-2, Rapid 51-4
Congressional District:
SD-At Large
State Senate District:
SD-30
State House District:
SD-30
Neighboring Unorganized Territories:
Mount Rushmore
Nearby Unorganized Territories:
Central Pennington, East Custer, Rapid City East, West Pennington