Age and Sex in the Iona Township, Lyman County, South Dakota (Township)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Lyman County.
Scope: population of Lyman County, the Iona Township, and other county subdivisions in Lyman County
Iona Township
0%2%4%6%8%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-400.000%0%00.000%0%1033.333%33.3%516.667%16.7%826.667%26.7%00.000%0%723.333%23.3%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%
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 Lyman County and the Iona Township
Female Male
Lyman County
Iona Township
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%Senior2Older Adult3Younger Adult4College5Children6-0.925926%-0.198876%-0.018735%-0.925926%0.93%0.925926%0.277778%0.198876%1.203704%1.20%2376.667%76.7%-0.000000%-0.933333%-0.562387%-0.933333%0.93%0.000000%0.562387%0.069520%0.000000%0.00%723.333%23.3%-0.000000%-0.563482%0.000000%0.00%0.000000%0.000000%0.563482%0.102320%0.000000%0.00%00.000%0%-0.000000%-0.479896%-0.084306%0.000000%0.00%0.000000%0.000000%0.479896%0.000000%0.00%00.000%0%-0.000000%-0.727771%0.000000%0.00%0.000000%0.000000%0.727771%0.146995%0.000000%0.00%00.000%0%
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 Lyman County and the Iona Township
Female Male
Lyman County
Iona Township
Shaded bar tips show excess over facing bar.
5%0%5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.051881%-0.025940%0.000000%0.0%0.000000%0.000000%0.051881%0.000000%0.0%00.000%0%-0.000000%-0.119326%-0.150454%0.000000%0.0%0.000000%0.000000%0.119326%0.000000%0.0%00.000%0%-3.333333%-0.181582%-3.333333%3.3%3.333333%0.000000%0.181582%0.150454%3.333333%3.3%1033.333%33.3%-0.000000%-3.333333%-0.316472%-0.114137%-3.333333%3.3%0.000000%0.316472%0.000000%0.0%516.667%16.7%-0.000000%-0.397752%0.000000%0.0%0.000000%8.888889%0.397752%0.155642%8.888889%8.9%826.667%26.7%-0.000000%-0.415045%-0.077821%0.000000%0.0%0.000000%0.000000%0.415045%0.000000%0.0%00.000%0%-0.000000%-7.777778%-0.536100%-0.121055%-7.777778%7.8%0.000000%0.536100%0.000000%0.0%723.333%23.3%-0.000000%-0.311284%0.000000%0.0%0.000000%0.000000%0.311284%0.064851%0.000000%0.0%00.000%0%-0.000000%-0.715953%0.000000%0.0%0.000000%0.000000%0.715953%0.264591%0.000000%0.0%00.000%0%-0.000000%-0.674449%0.000000%0.0%0.000000%0.000000%0.674449%0.000000%0.000000%0.0%00.000%0%-0.000000%-0.477302%-0.020752%0.000000%0.0%0.000000%0.000000%0.477302%0.000000%0.0%00.000%0%-0.000000%-0.404669%0.000000%0.0%0.000000%0.000000%0.404669%0.150454%0.000000%0.0%00.000%0%-0.000000%-0.503243%0.000000%0.0%0.000000%0.000000%0.503243%0.114137%0.000000%0.0%00.000%0%-0.000000%-0.570687%-0.031128%0.000000%0.0%0.000000%0.000000%0.570687%0.000000%0.0%00.000%0%-0.000000%-0.560311%0.000000%0.0%0.000000%0.000000%0.560311%0.217899%0.000000%0.0%00.000%0%-0.000000%-0.605275%0.000000%0.0%0.000000%0.000000%0.605275%0.112408%0.000000%0.0%00.000%0%-0.000000%-0.778210%0.000000%0.0%0.000000%0.000000%0.778210%0.051881%0.000000%0.0%00.000%0%-0.000000%-0.103761%0.000000%0.0%0.000000%0.000000%0.103761%0.077821%0.000000%0.0%00.000%0%-0.000000%-0.453956%-0.233463%0.000000%0.0%0.000000%0.000000%0.453956%0.000000%0.0%00.000%0%-0.000000%-0.700389%0.000000%0.0%0.000000%0.000000%0.700389%0.276697%0.000000%0.0%00.000%0%-0.000000%-0.601816%0.000000%0.0%0.000000%0.000000%0.601816%0.140078%0.000000%0.0%00.000%0%-0.000000%-0.804150%0.000000%0.0%0.000000%0.000000%0.804150%0.150454%0.000000%0.0%00.000%0%-0.000000%-0.793774%0.000000%0.0%0.000000%0.000000%0.793774%0.072633%0.000000%0.0%00.000%0%
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 Lyman County and the Iona Township
More Females More Males
Lyman County
Iona Township
1,000%500%0%M:FFM75-7970-7462-640.000000%0.000000%0.0%82.857143%1.0001.0050.000%50.0%50.000%50.0%-1,000.000000%-36.065574%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-1,000.000000%-22.580645%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%
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 Iona Township

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%9%17%26%34%43%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%10%20%30%40%50%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0%7%13%20%27%34%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
0%20%40%60%80%100%

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%20%40%60%80%100%

70s Age Cohorts by Block#12

Percentage of population aged 70 to 79 (%):
0%20%40%60%80%100%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0.0%2.2%4.4%6.7%8.9%11.2%
Road Data ©OpenStreetMap

Loading...

Failed to load :-(

Age Cohorts by County Subdivision in South Dakota

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

Children by County Subdivision#14

Percentage of population aged 0 to 17 (%):
Scope: population of the Iona Township, selected other county subdivisions in South Dakota, and entities that contain the Iona Township
0%10%20%30%40%Count#West ToddEast CorsonEast Oglala LakotaE Oglala LakotaEast ToddNorth DeweyHarrisburgWest Oglala LakotaW Oglala LakotaTeaBrandonHartfordDell RapidsBox ElderSissetonLyman CountyLymanSioux FallsSplit Rock TownshipSplit RockWest HughesSpringdale TownshipSpringdaleWest ButteBig Sioux TownshipBig SiouxHuronCentral PenningtonCntrl PenningtonChamberlainBox ElderSouth DakotaWatertownSioux FallsBelle FourcheWest North CentralRapid CitySturgis972600Tract 972600Fort PierreAberdeenMidwestRedfieldUnited States of AmericaUnited StatesMitchellWinnerMadisonCanton972600-2B.G. 972600-2PierreLeadNorth Sioux CityN Sioux CityYanktonWest YanktonMilbankMobridgeSpearfishWest CusterSouthwest MeadeSW MeadeMount RushmoreMt RushmoreBrookingsNorth LawrenceN LawrenceHot SpringsVermillionIona Township40.204966%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%7791328.845655%28.845655%28.8%1,11228.068158%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%1,3662623.689691%23.689691%23.7%4,971,0164.97M23.561243%23.561243%23.6%17,06817.1k2723.483833%23.483833%23.5%1,5762823.388818%23.388818%23.4%54823.353819%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%7503522.543353%22.543353%22.5%11722.458629%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%6704119.421965%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%6104914.910002%14.910002%14.9%1,607500.000000%0.000000%0.0%0
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 Iona Township to the 50 most populous county subdivisions in the Midwest and to those entities that contain or substantially overlap with the Iona Township. The least populous of the compared county subdivisions has a population of 112,821.

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of the Iona Township, selected other county subdivisions in the Midwest, and entities that contain the Iona Township
0%10%20%Count#OlatheAurora TownshipAuroraLyman CountyLymanKansas CityWayne TownshipWayneMilwaukeeWichitaLawrence TownshipLawrenceNorth TownshipNSt. PaulDetroitOmahaSouth DakotaThornton TownshipThorntonSioux FallsRockford TownshipRockfordMilton TownshipMiltonBlue TownshipGrand RapidsTopekaWest North CentralPalatine TownshipPalatineProviso TownshipProviso972600Tract 972600Downers Grove TownshipDowners GrvToledoOverland ParkMidwestUnited States of AmericaUnited StatesWorth TownshipWorthClevelandCedar RapidsWarrenLincolnColumbusBloomingdale TownshipBloomingdale972600-2B.G. 972600-2Capital TownshipCapitalLisle TownshipLisleWheeling TownshipWheelingYork TownshipSchaumburg TownshipSchaumburgDaytonCincinnatiChicagoAkronCenter TownshipCtrMaine TownshipMaineWashington TownshipWashingtonSt. LouisSterling HeightsSterling HtsMinneapolisFargoKaw TownshipSpringfield TownshipSpringfieldMadisonAnn ArborIona Township29.310098%29.310098%29.3%38,92038.9k128.976809%28.976809%29.0%42,91942.9k228.845655%28.845655%28.8%1,11228.278188%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%46,36846.4k1723.720503%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%35,61435.6k2023.388818%23.388818%23.4%54823.327643%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%25,47325.5k3022.543353%22.543353%22.5%11722.459425%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%23,09423.1k4618.240862%18.240862%18.2%31,31531.3k4718.124235%18.124235%18.1%29,93029.9k4817.137062%17.137062%17.1%42,16342.2k4913.862661%13.862661%13.9%16,37016.4k500.000000%0.000000%0.0%0
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 Iona Township to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with the Iona Township. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of the Iona Township, selected other county subdivisions in the United States, and entities that contain the Iona Township
0%10%20%Count#San BernardinoSouthwest DallasSW DallasLyman CountyLymanNorthwest 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 VegasWest North CentralOceanside-EscondidoOceanside-Escond…972600Tract 972600BrooklynMidwestUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbus972600-2B.G. 972600-2Town of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensAtlantaMiamiSeattleWashingtonBostonManhattanSan FranciscoIona Township28.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.845655%28.845655%28.8%1,11228.832103%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%448,315448k2323.689691%23.689691%23.7%4,971,0164.97M23.555887%23.555887%23.6%155,230155k2423.388818%23.388818%23.4%54823.337305%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%185,081185k3022.543353%22.543353%22.5%11722.467309%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%472,878473k4319.876571%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%108,939109k4814.639548%14.639548%14.6%239,355239k4913.481174%13.481174%13.5%114,628115k500.000000%0.000000%0.0%0
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.

More Topics to Explore

Demographics

Income

Education

More Maps to Explore

State:
South Dakota
County:
Lyman
ZIP Codes:
57365, 57533, 57569
Unified School Districts:
Chamberlain 07-1, Gregory 26-4
Congressional District:
SD-At Large
State Senate District:
SD-26
State House District:
SD-26B
Neighboring Townships:
America, Brule, Bull Creek, Dixon, La Roche, Landing Creek, Oacoma
Neighboring Unorganized Territories:
Black Dog, East Lyman, Grandview
Nearby Townships:
Chamberlain, Condon, Ola, Pleasant Valley, Red Lake, Roseland, Sully
Nearby Unorganized Territories:
Gassman