Age and Sex in Willow Lake School District 12-3, South Dakota (Unified School District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the unified school districts in South Dakota.
Scope: population of South Dakota, Willow Lake School District 12-3, and other unified school districts in South Dakota
Willow Lake 12-3
South Dakota
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%1%2%3%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4352.986%2.99%211.792%1.79%1129.556%9.56%302.560%2.56%181.536%1.54%211.792%1.79%231.962%1.96%352.986%2.99%726.143%6.14%665.631%5.63%635.375%5.38%332.816%2.82%514.352%4.35%544.608%4.61%887.509%7.51%635.375%5.38%423.584%3.58%70.597%0.60%363.072%3.07%826.997%7.00%484.096%4.10%716.058%6.06%1018.618%8.62%
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 Willow Lake School District 12-3
Female Male
South Dakota
Willow Lake 12-3
Shaded bar tips show excess over facing bar.
1%0%1%Count%Senior2Older Adult3Younger Adult4College5Children6-0.163538%-0.234642%-0.190792%-0.040143%-0.398180%0.4%0.163538%0.190792%0.163538%0.2%23720.222%20.2%-0.494881%-0.006826%-0.619662%-0.501706%0.5%0.494881%0.619662%0.010194%0.494881%0.5%29224.915%24.9%-0.431361%-0.616677%-0.431361%0.4%0.431361%0.350777%0.616677%0.050440%0.782139%0.8%25621.843%21.8%-0.405290%-0.703507%-0.405290%0.4%0.405290%1.002560%0.703507%0.053404%1.407850%1.4%857.253%7.25%-0.573568%-0.284414%-0.665250%-0.857983%0.9%0.573568%0.665250%0.037829%0.573568%0.6%30225.768%25.8%
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 Willow Lake School District 12-3
Female Male
South Dakota
Willow Lake 12-3
Shaded bar tips show excess over facing bar.
3%2%1%0%1%2%3%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.042662%-0.101323%-0.050268%-0.047918%-0.143985%0.1%0.042662%0.050268%0.042662%0.0%352.986%2.99%-0.102389%-0.153584%-0.183372%-0.063897%-0.255973%0.3%0.102389%0.183372%0.102389%0.1%211.792%1.79%-0.290102%-1.331058%-0.230137%-0.052123%-1.621160%1.6%0.290102%0.230137%0.290102%0.3%1129.556%9.56%-0.221843%-0.068259%-0.320589%-0.030785%-0.290102%0.3%0.221843%0.320589%0.221843%0.2%302.560%2.56%-0.170648%-0.407101%-0.029179%-0.170648%0.2%0.170648%0.170648%0.407101%0.341297%0.3%181.536%1.54%-0.341297%-0.514654%-0.341297%0.3%0.341297%0.213311%0.514654%0.071558%0.554608%0.6%211.792%1.79%-0.142207%-0.369738%-0.587112%-0.015628%-0.511945%0.5%0.142207%0.587112%0.142207%0.1%231.962%1.96%-0.597270%-0.298635%-0.651013%-0.895904%0.9%0.597270%0.651013%0.000705%0.597270%0.6%352.986%2.99%-0.614334%-0.690693%-0.614334%0.6%0.614334%0.000000%0.690693%0.010881%0.614334%0.6%726.143%6.14%-0.375427%-0.675207%-0.375427%0.4%0.375427%0.375427%0.675207%0.007121%0.750853%0.8%665.631%5.63%-0.529010%-0.017065%-0.569667%-0.546075%0.5%0.529010%0.569667%0.015816%0.529010%0.5%635.375%5.38%-0.255973%-0.051195%-0.540692%-0.307167%0.3%0.255973%0.540692%0.026250%0.255973%0.3%332.816%2.82%-0.358362%-0.563487%-0.358362%0.4%0.358362%0.153584%0.563487%0.042935%0.511945%0.5%514.352%4.35%-0.443686%-0.034130%-0.634222%-0.477816%0.5%0.443686%0.634222%0.040890%0.443686%0.4%544.608%4.61%-0.375427%-0.627877%-0.375427%0.4%0.375427%0.750853%0.627877%0.060865%1.126280%1.1%887.509%7.51%-0.568828%-0.657417%-0.568828%0.6%0.568828%0.654152%0.657417%0.061492%1.222981%1.2%635.375%5.38%-0.000000%-0.720280%0.000000%0.0%0.000000%3.583618%0.720280%0.072850%3.583618%3.6%423.584%3.58%-0.255973%-0.715227%-0.255973%0.3%0.255973%0.085324%0.715227%0.062040%0.341297%0.3%70.597%0.60%-0.682594%-0.689260%-0.682594%0.7%0.682594%0.170648%0.689260%0.039363%0.853242%0.9%363.072%3.07%-1.052332%-0.227531%-0.629060%-1.279863%1.3%1.052332%0.629060%0.040655%1.052332%1.1%826.997%7.00%-0.341297%-0.136519%-0.636267%-0.477816%0.5%0.341297%0.636267%0.045567%0.341297%0.3%484.096%4.10%-0.460751%-0.290102%-0.688367%-0.750853%0.8%0.460751%0.688367%0.039668%0.460751%0.5%716.058%6.06%-0.631399%-0.460751%-0.692832%-1.092150%1.1%0.631399%0.692832%0.026555%0.631399%0.6%1018.618%8.62%
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 Willow Lake School District 12-3
More Females More Males
South Dakota
Willow Lake 12-3
400%200%0%200%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242018-1915-1710-145-90-4-237.500000%-95.325055%-237.500000%237.5%0.2960.3077.143%77.1%22.857%22.9%-150.000000%-34.845572%-150.000000%150.0%0.4000.4071.429%71.4%28.571%28.6%-458.823529%-22.648831%-458.823529%458.8%0.1790.1884.821%84.8%15.179%15.2%-30.769231%-9.602698%-30.769231%30.8%0.7650.7656.667%56.7%43.333%43.3%-7.167597%100.000000%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%62.500000%13.904110%62.500000%62.5%1.6251.6338.095%38.1%61.905%61.9%-260.000000%-2.661775%-260.000000%260.0%0.2780.2878.261%78.3%21.739%21.7%-50.000000%-50.000000%50.0%0.108293%0.6670.6760.000%60.0%40.000%40.0%0.000000%0.000000%0.0%1.575312%1.0001.0050.000%50.0%50.000%50.0%100.000000%1.054573%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%-3.225806%-3.225806%3.2%2.776288%0.9690.9750.794%50.8%49.206%49.2%-20.000000%-20.000000%20.0%4.854833%0.8330.8354.545%54.5%45.455%45.5%42.857143%7.619485%42.857143%42.9%1.4291.4341.176%41.2%58.824%58.8%-7.692308%-7.692308%7.7%6.447310%0.9290.9351.852%51.9%48.148%48.1%200.000000%9.693839%200.000000%200.0%3.0003.0025.000%25.0%75.000%75.0%115.000000%9.353590%115.000000%115.0%2.1502.1531.746%31.7%68.254%68.3%33.333333%8.674224%33.333333%33.3%1.3331.3342.857%42.9%57.143%57.1%25.000000%5.710876%25.000000%25.0%1.2501.2544.444%44.4%55.556%55.6%-21.621622%-21.621622%21.6%6.462860%0.8220.8254.878%54.9%45.122%45.1%-40.000000%-40.000000%40.0%7.161588%0.7140.7158.333%58.3%41.667%41.7%-62.962963%-62.962963%63.0%5.762666%0.6140.6161.972%62.0%38.028%38.0%-72.972973%-72.972973%73.0%3.832847%0.5780.5863.366%63.4%36.634%36.6%
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 Willow Lake School District 12-3

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
0%8%16%25%33%41%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
0%5%11%16%22%28%

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%6%12%18%24%31%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
0%9%19%28%38%48%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
0%7%15%22%29%37%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
0%18%36%54%73%91%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
0%7%14%22%29%37%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Willow Lake School District 12-3

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
21.1%21.7%22.2%22.7%23.2%23.8%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.1%2.7%3.3%3.9%4.4%5.1%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
7.82%8.13%8.43%8.74%9.04%9.34%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.7%8.4%9.0%9.7%10.4%11.1%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
8.8%9.4%9.9%10.4%10.9%11.5%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
13.3%14.8%16.2%17.7%19.1%20.6%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
12.2%12.8%13.4%13.9%14.5%15.1%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
6.9%7.6%8.3%8.9%9.6%10.3%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
5.9%6.6%7.3%7.9%8.6%9.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Willow Lake School District 12-3

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
20.7%22.6%24.4%26.2%28.1%29.9%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
1.7%3.9%6.0%8.2%10.4%12.6%

20s Age Cohorts by Block Group#25

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#26

Percentage of population aged 30 to 39 (%):
7.8%8.4%9.0%9.6%10.1%10.8%

40s Age Cohorts by Block Group#27

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#28

Percentage of population aged 50 to 59 (%):
11.3%13.4%15.4%17.4%19.5%21.5%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
7.5%8.8%10.2%11.5%12.8%14.2%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
6.5%8.0%9.5%11.0%12.4%14.0%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
1.6%2.5%3.3%4.2%5.0%5.9%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Willow Lake School District 12-3

There are 2 places in Willow Lake School District 12-3. This section compares all 2 of those to each other, Willow Lake School District 12-3, and other entities that contain or substantially overlap with Willow Lake School District 12-3.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Willow Lake School District 12-3, selected places in Willow Lake School District 12-3, and entities that contain Willow Lake School District 12-3
0%10%20%30%Count#ViennaWillow LakeWillow Lake School District 12-3Willow Lk 12-3South DakotaWest North CentralMidwestUnited States of AmericaUnited States34.375000%34.375000%34.4%11129.941860%29.941860%29.9%103225.767918%25.767918%25.8%30224.629931%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 place out of 2 by %

Age Cohorts by County Subdivision in Willow Lake School District 12-3

There are 16 county subdivisions that are fully or partially contained within Willow Lake School District 12-3 (8 fully and 8 partially). This section compares all 16 of those to each other, Willow Lake School District 12-3, and other entities that contain or substantially overlap with Willow Lake School District 12-3.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Willow Lake School District 12-3, selected county subdivisions in Willow Lake School District 12-3, and entities that contain Willow Lake School District 12-3
0%10%20%30%40%Count#Pleasant TownshipPleasantSpirit Lake TownshipSpirit LkTown of ViennaViennaFoxton TownshipFoxtonWillow LakeWashington TownshipWashingtonRichland TownshipRichlandMerton TownshipMertonWillow Lake School District 12-3Willow Lk 12-3South DakotaWest North CentralMidwestUnited States of AmericaUnited StatesElrod TownshipElrodCollins TownshipCollinsMilford TownshipMilfordLake TownshipUnion TownshipUnionRosedale TownshipRosedaleBarrett TownshipBarrettHague TownshipHague40.909091%40.909091%40.9%90135.828877%35.828877%35.8%67234.375000%34.375000%34.4%11332.258065%32.258065%32.3%10429.941860%29.941860%29.9%103529.824561%29.824561%29.8%17627.083333%27.083333%27.1%39726.530612%26.530612%26.5%26825.767918%25.767918%25.8%30224.629931%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%73,612,43873.6M18.644068%18.644068%18.6%11918.446602%18.446602%18.4%191017.021277%17.021277%17.0%81116.470588%16.470588%16.5%141216.326531%16.326531%16.3%81313.559322%13.559322%13.6%8140.000000%0.000000%0.0%0150.000000%0.000000%0.0%016
Count number of children
# rank of county subdivision out of 16 by %

Age Cohorts by Unified School District in South Dakota

There are 150 unified school districts in South Dakota. This section compares Willow Lake School District 12-3 to the 50 most populous unified school districts in South Dakota and to those entities that contain or substantially overlap with Willow Lake School District 12-3. The least populous of the compared unified school districts has a population of 3,127.

Children by Unified School District#50

Percentage of population aged 0 to 17 (%):
Scope: population of Willow Lake School District 12-3, selected other unified school districts in South Dakota, and entities that contain Willow Lake School District 12-3
0%10%20%30%40%Count#Todd County School District 66-1Todd Co 66-1Eagle Butte School District 20-1Eagle Butte 20-1Shannon County School District 65-1Shannon Co 65-1Tea Area School District 41-5Tea 41-5Bennett County School District 03-1Bennett Co 03-1Wagner School District 11-4Wagner 11-4Hamlin School District 28-3Hamlin 28-3Harrisburg School District 41-2Harrisburg 41-2Tri-Valley School District 49-6Tri-Vly 49-6Kadoka School District 35-2Kadoka 35-2Sisseton School District 54-2Sisseton 54-2Brandon Valley School District 49-2Brandon Vly 49-2Lennox School District 41-4Lennox 41-4Douglas School District 51-1Douglas 51-1Sioux Valley School District 05-5Sioux Vly 05-5Chamberlain School District 07-1Chamberlain 07-1West Central School District 49-7West 49-7Parkston School District 33-3Parkston 33-3Dell Rapids School District 49-3Dell Rapids 49-3Beresford School District 61-2Beresford 61-2Huron School District 02-2Huron 02-2Willow Lake School District 12-3Willow Lk 12-3Redfield School District 56-4Redfield 56-4Dakota Valley School District 61-8Dakota Vly 61-8South DakotaFlandreau School District 50-3Flandreau 50-3Belle Fourche School District 09-1Belle Fourche 09-1Watertown School District 14-4Watertown 14-4Sioux Falls School District 49-5Sioux Falls 49-5Groton Area School District 06-6Groton 06-6West North CentralElk Point-Jefferson School District 61-7Elk Pt-Jefferson 61-7Rapid City School District 51-4Rapid 51-4Pierre School District 32-2Pierre 32-2Aberdeen School District 06-1Aberdeen 06-1MidwestMeade School District 46-1Meade 46-1United States of AmericaUnited StatesMadison Central School District 39-2Madison 39-2Milbank School District 25-4Milbank 25-4Platte-Geddes School District 11-5Platte-Geddes 11-5Mitchell School District 17-2Mitchell 17-2Canton School District 41-1Canton 41-1Webster School District 18-5Webster 18-5Winner School District 59-2Winner 59-2Yankton School District 63-3Yankton 63-3Mobridge-Pollock School District 62-6Mobridge-Pollock …Hill City School District 51-2Hill 51-2Custer School District 16-1Custer 16-1Spearfish School District 40-2Spearfish 40-2Brookings School District 05-1Brookings 05-1Lead-Deadwood School District 40-1Lead-Deadwood 40-1Hot Springs School District 23-2Hot Spgs 23-2Vermillion School District 13-1Vermillion 13-1Bon Homme School District 04-2Bon Homme 04-240.263499%40.263499%40.3%4,034137.973922%37.973922%38.0%1,893237.783075%37.783075%37.8%5,389334.677082%34.677082%34.7%2,486434.600871%34.600871%34.6%1,192534.371286%34.371286%34.4%1,446633.167009%33.167009%33.2%1,130731.996600%31.996600%32.0%6,399831.483385%31.483385%31.5%1,838931.286044%31.286044%31.3%1,0851031.027692%31.027692%31.0%2,5211130.457998%30.457998%30.5%5,5331230.169340%30.169340%30.2%2,0311329.041543%29.041543%29.0%3,7331427.897613%27.897613%27.9%9701527.810651%27.810651%27.8%1,7861627.738329%27.738329%27.7%1,8361727.726255%27.726255%27.7%8671827.381600%27.381600%27.4%1,5091926.114107%26.114107%26.1%9202025.987842%25.987842%26.0%4,1042125.767918%25.767918%25.8%30225.220411%25.220411%25.2%9442225.156465%25.156465%25.2%1,6482324.629931%24.629931%24.6%209,615210k24.623768%24.623768%24.6%9492424.447929%24.447929%24.4%1,8712524.211765%24.211765%24.2%6,1742623.911086%23.911086%23.9%36,38036.4k2723.783929%23.783929%23.8%8852823.689691%23.689691%23.7%4,971,0164.97M23.512051%23.512051%23.5%9562923.424686%23.424686%23.4%22,73622.7k3023.265975%23.265975%23.3%3,8343123.253252%23.253252%23.3%7,5983223.217458%23.217458%23.2%15,712,75815.7M23.205678%23.205678%23.2%4,3813323.108006%23.108006%23.1%73,612,43873.6M22.351876%22.351876%22.4%2,2223422.342148%22.342148%22.3%1,2423522.321145%22.321145%22.3%7023622.091574%22.091574%22.1%4,0773721.922626%21.922626%21.9%1,3093821.812279%21.812279%21.8%7393921.405678%21.405678%21.4%9354021.198339%21.198339%21.2%4,2884120.520638%20.520638%20.5%8754218.981612%18.981612%19.0%6714318.801553%18.801553%18.8%1,5504418.755068%18.755068%18.8%3,0074517.938137%17.938137%17.9%4,8254617.234957%17.234957%17.2%1,2034717.105719%17.105719%17.1%9874815.642593%15.642593%15.6%1,9454913.433495%13.433495%13.4%60850
Count number of children
# rank of unified school district 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
Counties:
Beadle, Clark, Kingsbury, Spink
Metro Area:
Huron Area
Cities:
Willow Lake
Towns:
Vienna
Townships:
Barrett, Collins, Elrod, Foxton, Hague, Lake, Merton, Milford, Pleasant, Richland, Rosedale, Spirit Lake, Union, Washington
ZIP Codes:
57221, 57225, 57231, 57271, 57278, 57322, 57353
Congressional District:
SD-At Large
State Senate Districts:
SD-2, SD-22
State House Districts:
SD-2, SD-22
Neighboring Unified School Districts:
Clark 12-2, De Smet 38-2, Doland 56-2, Hamlin 28-3, Henry 14-2, Huron 02-2, Iroquois 02-3
Nearby Unified School Districts:
Arlington 38-1, Castlewood 28-1, Estelline 28-2, Florence 14-1, Hitchcock-Tulare 56-6, Howard 48-3, Lake Preston 38-3, Oldham-Ramona 39-5, Sioux Valley 05-5, Watertown 14-4