Age and Sex in Union 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, Union County, and other counties in South Dakota
Union County
South Dakota
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-43802.560%2.56%3662.466%2.47%2501.684%1.68%5173.483%3.48%3862.601%2.60%4282.884%2.88%6214.184%4.18%4122.776%2.78%1,0997.405%7.40%1,1517.755%7.76%1,0477.054%7.05%1,0447.034%7.03%8435.680%5.68%8355.626%5.63%6954.683%4.68%4833.254%3.25%1280.862%0.86%1070.721%0.72%3772.540%2.54%6894.642%4.64%1,1107.479%7.48%1,0356.973%6.97%8395.653%5.65%
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 Union County
Female Male
South Dakota
Union County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.205872%-0.023769%-0.190792%-0.040143%-0.229641%0.23%0.205872%0.190792%0.205872%0.21%2,32715.678%15.7%-0.717963%-0.619662%-0.717963%0.72%0.717963%0.012397%0.619662%0.010194%0.730360%0.73%5,37436.208%36.2%-0.516552%-0.616677%-0.516552%0.52%0.516552%0.035934%0.616677%0.050440%0.552486%0.55%2,85619.243%19.2%-0.471635%-0.703507%-0.471635%0.47%0.471635%0.087589%0.703507%0.053404%0.559224%0.56%6124.123%4.12%-0.683870%-0.665250%-0.683870%0.68%0.683870%0.007112%0.665250%0.037829%0.690982%0.69%3,67324.747%24.7%
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 South Dakota and Union County
Female Male
South Dakota
Union County
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.072008%-0.016002%-0.050268%-0.047918%-0.088010%0.09%0.072008%0.050268%0.072008%0.07%3802.560%2.56%-0.198087%-0.097022%-0.183372%-0.063897%-0.295108%0.30%0.198087%0.183372%0.198087%0.20%3662.466%2.47%-0.156313%-0.024255%-0.230137%-0.052123%-0.180569%0.18%0.156313%0.230137%0.156313%0.16%2501.684%1.68%-0.319364%-0.057944%-0.320589%-0.030785%-0.377308%0.38%0.319364%0.320589%0.319364%0.32%5173.483%3.48%-0.372816%-0.121277%-0.407101%-0.029179%-0.494093%0.49%0.372816%0.407101%0.372816%0.37%3862.601%2.60%-0.555855%-0.514654%-0.555855%0.56%0.555855%0.330144%0.514654%0.071558%0.885999%0.89%4282.884%2.88%-0.631092%-0.132507%-0.587112%-0.015628%-0.763599%0.76%0.631092%0.587112%0.631092%0.63%6214.184%4.18%-0.653551%-0.080852%-0.651013%-0.734402%0.73%0.653551%0.651013%0.000705%0.653551%0.65%4122.776%2.78%-0.681849%-0.690693%-0.681849%0.68%0.681849%0.117235%0.690693%0.010881%0.799084%0.80%1,0997.405%7.40%-0.735750%-0.675207%-0.735750%0.74%0.735750%0.079504%0.675207%0.007121%0.815254%0.82%1,1517.755%7.76%-0.654898%-0.569667%-0.654898%0.65%0.654898%0.101065%0.569667%0.015816%0.755963%0.76%1,0477.054%7.05%-0.641423%-0.123973%-0.540692%-0.765395%0.77%0.641423%0.540692%0.026250%0.641423%0.64%1,0447.034%7.03%-0.526883%-0.563487%-0.526883%0.53%0.526883%0.082199%0.563487%0.042935%0.609082%0.61%8435.680%5.68%-0.559224%-0.006738%-0.634222%-0.565961%0.57%0.559224%0.634222%0.040890%0.559224%0.56%8355.626%5.63%-0.456812%-0.627877%-0.456812%0.46%0.456812%0.022908%0.627877%0.060865%0.479720%0.48%6954.683%4.68%-0.516552%-0.657417%-0.516552%0.52%0.516552%0.051655%0.657417%0.061492%0.568207%0.57%4833.254%3.25%-0.296456%-0.269505%-0.720280%-0.565961%0.57%0.296456%0.720280%0.072850%0.296456%0.30%1280.862%0.86%-0.195391%-0.715227%-0.195391%0.20%0.195391%0.330144%0.715227%0.062040%0.525536%0.53%1070.721%0.72%-0.562593%-0.689260%-0.562593%0.56%0.562593%0.144859%0.689260%0.039363%0.707452%0.71%3772.540%2.54%-0.759107%-0.029196%-0.629060%-0.788303%0.79%0.759107%0.629060%0.040655%0.759107%0.76%6894.642%4.64%-0.693977%-0.107802%-0.636267%-0.801779%0.80%0.693977%0.636267%0.045567%0.693977%0.69%1,1107.479%7.48%-0.660288%-0.688367%-0.660288%0.66%0.660288%0.074114%0.688367%0.039668%0.734402%0.73%1,0356.973%6.97%-0.526883%-0.692832%-0.526883%0.53%0.526883%0.076809%0.692832%0.026555%0.603692%0.60%8395.653%5.65%
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 Union County
More Females More Males
South Dakota
Union County
0%100%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-22.222222%-95.325055%-22.222222%22.2%0.8180.8255.000%55.0%45.000%45.0%-48.979592%-34.845572%-48.979592%49.0%0.6710.6759.836%59.8%40.164%40.2%-15.517241%-22.648831%-15.517241%15.5%0.8660.8753.600%53.6%46.400%46.4%-18.143460%-9.602698%-18.143460%18.1%0.8460.8554.159%54.2%45.841%45.8%-32.530120%-7.167597%-32.530120%32.5%0.7550.7556.995%57.0%43.005%43.0%59.393939%13.904110%59.393939%59.4%1.5941.5938.551%38.6%61.449%61.4%-20.996441%-2.661775%-20.996441%21.0%0.8260.8354.750%54.8%45.250%45.2%-12.371134%-12.371134%12.4%0.108293%0.8900.8952.913%52.9%47.087%47.1%17.193676%1.575312%17.193676%17.2%1.1721.1746.042%46.0%53.958%54.0%10.805861%1.054573%10.805861%10.8%1.1081.1147.437%47.4%52.563%52.6%15.432099%2.776288%15.432099%15.4%1.1541.1546.418%46.4%53.582%53.6%-19.327731%-19.327731%19.3%4.854833%0.8380.8454.406%54.4%45.594%45.6%15.601023%7.619485%15.601023%15.6%1.1561.1646.382%46.4%53.618%53.6%-1.204819%-1.204819%1.2%6.447310%0.9880.9950.299%50.3%49.701%49.7%5.014749%9.693839%5.014749%5.0%1.0501.0548.777%48.8%51.223%51.2%10.000000%9.353590%10.000000%10.0%1.1001.1047.619%47.6%52.381%52.4%-90.909091%-90.909091%90.9%10.114192%0.5240.5265.625%65.6%34.375%34.4%168.965517%8.674224%168.965517%169.0%2.6902.6927.103%27.1%72.897%72.9%25.748503%5.710876%25.748503%25.7%1.2571.2644.297%44.3%55.703%55.7%-3.846154%-3.846154%3.8%6.462860%0.9630.9650.943%50.9%49.057%49.1%-15.533981%-15.533981%15.5%7.161588%0.8660.8753.604%53.6%46.396%46.4%11.224490%5.762666%11.224490%11.2%1.1121.1147.343%47.3%52.657%52.7%14.578005%3.832847%14.578005%14.6%1.1461.1546.603%46.6%53.397%53.4%
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 County Subdivision in Union County

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
6%13%19%26%32%39%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0.0%3.0%6.0%9.0%12.1%15.1%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
0.0%3.7%7.5%11.2%15.0%18.7%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
0%6%13%19%26%33%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
1%9%16%23%30%37%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
3%13%21%30%39%48%

60s Age Cohorts by County Subdivision#11

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

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0.0%4.3%8.6%12.9%17.1%21.5%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0%6%12%19%25%32%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Union County

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
24.44%24.57%24.70%24.83%24.96%25.09%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.6%3.2%3.9%4.5%5.1%5.8%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
7.53%7.68%7.82%7.96%8.10%8.25%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
10.5%11.1%11.7%12.3%13.0%13.6%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
10.9%12.0%13.0%14.0%15.0%16.1%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
13.7%14.5%15.2%16.0%16.7%17.5%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
5.8%7.8%9.7%11.6%13.5%15.5%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
3.88%4.25%4.62%4.98%5.35%5.72%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
2.0%3.5%4.9%6.3%7.8%9.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Union County

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
12.8%17.0%21.1%25.2%29.3%33.4%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
2.2%3.6%5.0%6.3%7.7%9.1%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
5.4%6.4%7.3%8.3%9.2%10.2%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
8.9%10.5%12.2%13.8%15.4%17.0%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
7.6%10.2%12.8%15.4%18.0%20.6%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
10.8%13.9%16.9%20.0%23.0%26.1%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
5.3%8.9%12.5%16.1%19.7%23.4%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
1.3%2.5%3.6%4.7%5.8%7.0%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
1.5%4.2%6.8%9.3%11.9%14.6%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Union County

There are 7 places that are fully or partially contained within Union County (6 fully and 1 partially). This section compares all 7 of those to each other, Union County, and other entities that contain or substantially overlap with Union County.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Union County, selected places in Union County, and entities that contain Union County
0%10%20%30%Count#Dakota DunesBeresfordElk PointAlcesterSioux City Metro AreaSioux CityUnion CountyUnionSouth DakotaWest North CentralMidwestUnited States of AmericaUnited StatesJeffersonNorth Sioux CityN Sioux CityRichland32.204007%32.204007%32.2%884127.323580%27.323580%27.3%635226.650943%26.650943%26.7%565326.600000%26.600000%26.6%266426.290401%26.290401%26.3%44,36444.4k24.747339%24.747339%24.7%3,67324.629931%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%73,612,43873.6M22.260274%22.260274%22.3%130521.578345%21.578345%21.6%56660.000000%0.000000%0.0%07
Count number of children
# rank of place out of 7 by %

Age Cohorts by County Subdivision in Union County

There are 18 county subdivisions in Union County. This section compares all 18 of those to each other, Union County, and other entities that contain or substantially overlap with Union County.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Union County, selected county subdivisions in Union County, and entities that contain Union County
0%10%20%30%Count#Elk Point TownshipElk PtAlcester TownshipAlcesterBeresfordBig Sioux TownshipBig SiouxElk PointAlcesterSioux City Metro AreaSioux CityJefferson TownshipJeffersonUnion CountyUnionSouth DakotaWest North CentralMidwestUnited States of AmericaUnited StatesJeffersonPrairie TownshipPrairieNorth Sioux CityN Sioux CityCivil Bend TownshipCivil BendVirginia TownshipVirginiaBig Springs TownshipBig SpgsBrule TownshipBruleEmmet TownshipEmmetSioux Valley TownshipSioux VlyRichlandSpink TownshipSpink38.288288%38.288288%38.3%85133.130699%33.130699%33.1%109229.749867%29.749867%29.7%559327.129788%27.129788%27.1%949426.650943%26.650943%26.7%565526.600000%26.600000%26.6%266626.290401%26.290401%26.3%44,36444.4k25.094103%25.094103%25.1%200724.747339%24.747339%24.7%3,67324.629931%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%73,612,43873.6M22.260274%22.260274%22.3%130822.026432%22.026432%22.0%50921.578345%21.578345%21.6%5661019.747899%19.747899%19.7%471114.117647%14.117647%14.1%241214.112903%14.112903%14.1%351312.459016%12.459016%12.5%381411.627907%11.627907%11.6%15158.522727%8.522727%8.5%15166.870229%6.870229%6.9%9176.626506%6.626506%6.6%1118
Count number of children
# rank of county subdivision out of 18 by %

Age Cohorts by County in the Sioux City Area

There are 5 counties in the Sioux City Area. This section compares Union County to all of the counties in the Sioux City Area and to those entities that contain or substantially overlap with Union County.

Children by County#50

Percentage of population aged 0 to 17 (%):
Scope: population of Union County, selected other counties in the Sioux City Area, and entities that contain Union County
0%10%20%Count#Dakota CountyDakotaSioux City Metro AreaSioux CityWoodbury CountyWoodburyDixon CountyDixonPlymouth CountyPlymouthUnion CountyUnionSouth DakotaWest North CentralMidwestUnited States of AmericaUnited States29.124994%29.124994%29.1%6,028126.290401%26.290401%26.3%44,36444.4k26.290200%26.290200%26.3%26,92826.9k225.150628%25.150628%25.2%1,461325.124139%25.124139%25.1%6,274424.747339%24.747339%24.7%3,673524.629931%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%73,612,43873.6M
Count number of children
# rank of county out of 5 by %

Age Cohorts by County in South Dakota

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

Children by County#59

Percentage of population aged 0 to 17 (%):
Scope: population of Union County, selected other counties in South Dakota, and entities that contain Union County
0%10%20%30%40%Count#Todd CountyToddOglala Lakota CountyOglala LakotaDewey CountyDeweyCorson CountyCorsonBennett CountyBennettHanson CountyHansonJackson CountyJacksonHamlin CountyHamlinCharles Mix CountyCharles MixLincoln CountyLincolnLyman CountyLymanRoberts CountyRobertsMcCook CountyMcCookSioux City Metro AreaSioux CityBeadle 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%1,4891326.290401%26.290401%26.3%44,36444.4k25.981823%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 Union County to the 50 most populous counties in the United States and to those entities that contain or substantially overlap with Union County. The least populous of the compared counties has a population of 941,618.

Children by County#68

Percentage of population aged 0 to 17 (%):
Scope: population of Union County, selected other counties in the United States, and entities that contain Union County
0%10%20%Count#Fresno CountyFresnoSalt Lake CountySalt LakeSan Bernardino CountySan BernardinoHarris CountyHarrisTarrant CountyTarrantDallas CountyDallasRiverside CountyRiversideSioux City Metro AreaSioux CityBexar CountyBexarBronx CountyBronxMaricopa CountyMaricopaWake CountyWakeUnion CountyUnionSouth 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 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%613,547614k726.290401%26.290401%26.3%44,36444.4k26.219361%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%249,554250k1124.747339%24.747339%24.7%3,67324.629931%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%344,212344k4320.896492%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
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.

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More Maps to Explore

Cities:
Alcester, Beresford, Elk Point, Jefferson, North Sioux City
Townships:
Alcester, Big Sioux, Big Springs, Brule, Civil Bend, Elk Point, Emmet, Jefferson, Prairie, Sioux Valley, Spink, Virginia
Unincorporated Places:
Dakota Dunes, Richland
Unorganized Territories:
Richland
ZIP Codes:
51001, 51023, 57001, 57004, 57010, 57025, 57034, 57038, 57049
Unified School Districts:
Alcester-Hudson 61-1, Beresford 61-2, Dakota Valley 61-8, Elk Point-Jefferson 61-7, Vermillion 13-1
Congressional District:
SD-At Large
State Senate District:
SD-16
State House District:
SD-16
Neighboring Counties:
Clay, Dakota, Dixon, Lincoln, Plymouth, Sioux, Woodbury
Nearby Counties:
Cedar, Lyon, Minnehaha, Rock, Thurston, Turner, Wayne, Yankton