Age and Sex in the Madison Township, Hancock County, Iowa (Township)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Hancock County.
Scope: population of Hancock County, the Madison Township, and other county subdivisions in Hancock County
Madison Township
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4243.204%3.20%70.935%0.93%131.736%1.74%486.409%6.41%60.801%0.80%00.000%0%567.477%7.48%385.073%5.07%709.346%9.35%395.207%5.21%7510.013%10.0%415.474%5.47%608.011%8.01%567.477%7.48%172.270%2.27%172.270%2.27%00.000%0%00.000%0%00.000%0%385.073%5.07%668.812%8.81%466.142%6.14%324.272%4.27%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Hancock County and the Madison Township
Female Male
Hancock County
Madison Township
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.152055%-0.257435%-0.048963%-0.152055%0.15%0.152055%0.059338%0.257435%0.211393%0.21%9813.084%13.1%-0.785047%-0.133511%-0.700345%-0.004361%-0.918558%0.92%0.785047%0.700345%0.785047%0.79%31942.590%42.6%-0.385699%-0.443697%-0.385699%0.39%0.385699%0.341196%0.443697%0.134775%0.726895%0.73%15020.027%20.0%-0.000000%-0.386153%-0.068145%0.000000%0.00%0.000000%0.000000%0.386153%0.000000%0.00%00.000%0%-0.563715%-0.615321%-0.563715%0.56%0.563715%0.222519%0.615321%0.036849%0.786233%0.79%18224.299%24.3%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Hancock County and the Madison Township
Female Male
Hancock County
Madison Township
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.066756%-0.066756%-0.084613%-0.083477%-0.133511%0.1%0.066756%0.084613%0.066756%0.1%243.204%3.20%-0.000000%-0.186916%-0.167182%-0.161730%-0.186916%0.2%0.000000%0.167182%0.000000%0.0%70.935%0.93%-0.160214%-0.352535%-0.005452%-0.160214%0.2%0.160214%0.026702%0.352535%0.186916%0.2%131.736%1.74%-0.160214%-0.461566%-0.160214%0.2%0.160214%0.961282%0.461566%0.038161%1.121495%1.1%486.409%6.41%-0.000000%-0.267023%-0.466412%-0.267023%0.3%0.000000%0.466412%0.239263%0.000000%0.0%60.801%0.80%-0.000000%-0.349809%-0.249864%0.000000%0.0%0.000000%0.000000%0.349809%0.000000%0.0%00.000%0%-0.667557%-0.775335%-0.136289%-0.667557%0.7%0.667557%1.157098%0.775335%1.824655%1.8%567.477%7.48%-0.400534%-1.735648%-0.558786%-0.099945%-2.136182%2.1%0.400534%0.558786%0.400534%0.4%385.073%5.07%-0.667557%-0.668726%-0.667557%0.7%0.667557%0.534045%0.668726%0.239869%1.201602%1.2%709.346%9.35%-0.000000%-1.041389%-0.792295%-0.045430%-1.041389%1.0%0.000000%0.792295%0.000000%0.0%395.207%5.21%-0.720961%-0.543340%-0.720961%0.7%0.720961%0.560748%0.543340%0.087225%1.281709%1.3%7510.013%10.0%-0.186916%-0.720961%-0.481556%-0.181719%-0.907877%0.9%0.186916%0.481556%0.186916%0.2%415.474%5.47%-0.320427%-0.416137%-0.320427%0.3%0.320427%0.961282%0.416137%0.194439%1.281709%1.3%608.011%8.01%-0.427236%-0.640854%-0.506996%-1.068091%1.1%0.427236%0.506996%0.112666%0.427236%0.4%567.477%7.48%-0.000000%-0.414319%0.000000%0.0%0.000000%0.453939%0.414319%0.054516%0.453939%0.5%172.270%2.27%-0.000000%-0.433097%0.000000%0.0%0.000000%0.756564%0.433097%0.205948%0.756564%0.8%172.270%2.27%-0.000000%-0.199891%0.000000%0.0%0.000000%0.000000%0.199891%0.227149%0.000000%0.0%00.000%0%-0.000000%-0.390696%-0.290750%0.000000%0.0%0.000000%0.000000%0.390696%0.000000%0.0%00.000%0%-0.000000%-0.363438%-0.104488%0.000000%0.0%0.000000%0.000000%0.363438%0.000000%0.0%00.000%0%-0.311526%-0.666303%-0.311526%0.3%0.311526%1.068091%0.666303%0.127203%1.379617%1.4%385.073%5.07%-0.534045%-0.705070%-0.534045%0.5%0.534045%0.694259%0.705070%0.009086%1.228304%1.2%668.812%8.81%-0.453939%-0.599673%-0.453939%0.5%0.453939%0.320427%0.599673%0.054516%0.774366%0.8%466.142%6.14%-0.000000%-0.854473%-0.503362%-0.007269%-0.854473%0.9%0.000000%0.503362%0.000000%0.0%324.272%4.27%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Hancock County and the Madison Township
More Females More Males
Hancock County
Madison Township
1,000%500%0%500%M:FFM85+80-8475-7970-7467-6962-6460-6155-5950-5445-4940-4435-3930-3415-1710-145-90-4-100.000000%-98.657718%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%-1,000.000000%-96.739130%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-1.546392%16.666667%16.666667%16.7%1.1671.1746.154%46.2%53.846%53.8%600.000000%8.267717%600.000000%600.0%7.0007.0012.500%12.5%87.500%87.5%-1,000.000000%-1,000.000000%> 1000%51.298701%0.0000100.000%100%0.000%0%-17.578125%173.333333%173.333333%173.3%2.7332.7326.786%26.8%73.214%73.2%-433.333333%-17.886179%-433.333333%433.3%0.1880.1984.211%84.2%15.789%15.8%80.000000%35.869565%80.000000%80.0%1.8001.8035.714%35.7%64.286%64.3%-1,000.000000%-5.733945%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%77.777778%16.053512%77.777778%77.8%1.7781.7836.000%36.0%64.000%64.0%-385.714286%-37.735849%-385.714286%385.7%0.2060.2182.927%82.9%17.073%17.1%300.000000%46.724891%300.000000%300.0%4.0004.0020.000%20.0%80.000%80.0%-150.000000%-150.000000%150.0%22.222222%0.4000.4071.429%71.4%28.571%28.6%342.857143%19.090909%342.857143%342.9%4.4294.4318.421%18.4%81.579%81.6%130.000000%1.288660%130.000000%130.0%2.3002.3030.303%30.3%69.697%69.7%70.588235%9.090909%70.588235%70.6%1.7061.7136.957%37.0%63.043%63.0%-1,000.000000%-1.444043%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%

Map of Age Cohorts by Block in the Madison Township

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%15%30%45%60%75%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0%7%13%20%27%34%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%20%40%60%80%100%

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%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%8%16%24%32%40%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in Iowa

There are 1,662 county subdivisions in Iowa. This section compares the Madison Township to the 50 most populous county subdivisions in Iowa and to those entities that contain or substantially overlap with the Madison Township. The least populous of the compared county subdivisions has a population of 9,112.

Children by County Subdivision#14

Percentage of population aged 0 to 17 (%):
Scope: population of the Madison Township, selected other county subdivisions in Iowa, and entities that contain the Madison Township
0%10%20%30%Count#Jefferson TownshipJeffersonWalnut TownshipWalnutPenn TownshipCrocker TownshipCrockerTaylor TownshipTaylorClay TownshipStorm LakeLee TownshipBoone TownshipBooneWebster TownshipWebsterSioux CityMarion TownshipMarionBloomfield TownshipBloomfieldBloomington TownshipBloomingtonPleasant Valley TownshipPleasant Vly270200Tract 270200Lewis TownshipLewisAmerica TownshipAmericaIndianolaMadison TownshipMadisonLake Prairie TownshipLk PrairieKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerKane TownshipIowaKnoxville TownshipKnoxvilleMidwestUnited States of AmericaUnited StatesCedar RapidsFranklin TownshipFranklinHancock CountyHancockDes Moines TownshipDes MoinesFour Mile TownshipFour MileCenter TownshipCtrNewton TownshipNewtonOskaloosaWalnut TownshipWalnutTimber Creek TownshipTimber CrkMonroe TownshipMonroeClintonDes Moines TownshipDes MoinesMason CityFort DodgeMadison TownshipMadisonDubuqueWaverlyGrinnellFairfield270200-3B.G. 270200-3Cedar FallsIowa CityDecorah TownshipDecorahWashington TownshipWashington33.785694%33.785694%33.8%3,585132.167912%32.167912%32.2%8,483229.094891%29.094891%29.1%7,972328.859738%28.859738%28.9%15,44415.4k428.192913%28.192913%28.2%5,267527.901677%27.901677%27.9%5,142627.405275%27.405275%27.4%2,951726.817784%26.817784%26.8%17,48617.5k826.704371%26.704371%26.7%6,091925.906350%25.906350%25.9%14,94914.9k1025.773595%25.773595%25.8%21,30621.3k1125.693630%25.693630%25.7%10,52010.5k1225.600577%25.600577%25.6%8,1631325.385249%25.385249%25.4%6,1611425.264892%25.264892%25.3%9,2041525.114504%25.114504%25.1%65825.083790%25.083790%25.1%3,2931624.944148%24.944148%24.9%2,5681724.460666%24.460666%24.5%3,7531824.299065%24.299065%24.3%18224.273694%24.273694%24.3%3,0581923.852089%23.852089%23.9%2,5352023.813814%23.813814%23.8%2,3792123.799623%23.799623%23.8%6,0672223.725441%23.725441%23.7%16,21816.2k2323.689691%23.689691%23.7%4,971,0164.97M23.631299%23.631299%23.6%24,17624.2k2423.630505%23.630505%23.6%2,6402523.501754%23.501754%23.5%12,39612.4k2623.418418%23.418418%23.4%727,514728k23.311076%23.311076%23.3%2,3742723.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.994202%22.994202%23.0%29,78629.8k2822.857143%22.857143%22.9%5,3922922.814828%22.814828%22.8%2,51122.683503%22.683503%22.7%23,15623.2k3022.572125%22.572125%22.6%2,2223122.507928%22.507928%22.5%5,8913222.476089%22.476089%22.5%3,3843322.352227%22.352227%22.4%2,5793422.269623%22.269623%22.3%15,03415.0k3522.239929%22.239929%22.2%2,5123621.771899%21.771899%21.8%2,8313721.500688%21.500688%21.5%5,6223821.077004%21.077004%21.1%2,8223921.048428%21.048428%21.0%5,7984021.014375%21.014375%21.0%5,1754120.951206%20.951206%21.0%2,2074220.761937%20.761937%20.8%12,15312.2k4320.549308%20.549308%20.5%2,0654419.304214%19.304214%19.3%1,7594519.201368%19.201368%19.2%1,9094619.107662%19.107662%19.1%19717.796610%17.796610%17.8%7,2664715.598536%15.598536%15.6%11,29111.3k4813.333333%13.333333%13.3%1,344498.197348%8.197348%8.2%3,64750

Age Cohorts by County Subdivision in the Midwest

There are 19,478 county subdivisions in the Midwest. This section compares the Madison Township to the 50 most populous county subdivisions in the Midwest and to those entities that contain or substantially overlap with the Madison 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 Madison Township, selected other county subdivisions in the Midwest, and entities that contain the Madison Township
0%10%20%Count#OlatheAurora TownshipAuroraKansas CityWayne TownshipWayneMilwaukeeWichitaLawrence TownshipLawrenceNorth TownshipNSt. PaulDetroit270200Tract 270200OmahaThornton TownshipThorntonMadison TownshipMadisonSioux FallsRockford TownshipRockfordMilton TownshipMiltonBlue TownshipGrand RapidsTopekaWest North CentralPalatine TownshipPalatineProviso TownshipProvisoIowaDowners Grove TownshipDowners GrvToledoOverland ParkMidwestUnited States of AmericaUnited StatesWorth TownshipWorthClevelandCedar RapidsWarrenHancock CountyHancockLincolnColumbusBloomingdale TownshipBloomingdaleCapital TownshipCapitalLisle TownshipLisleWheeling TownshipWheelingYork TownshipSchaumburg TownshipSchaumburgDaytonCincinnatiChicagoAkronCenter TownshipCtrMaine TownshipMaineWashington TownshipWashingtonSt. LouisSterling HeightsSterling HtsMinneapolisFargo270200-3B.G. 270200-3Kaw TownshipSpringfield TownshipSpringfieldMadisonAnn 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%172,353172k1025.114504%25.114504%25.1%65825.047396%25.047396%25.0%110,978111k1124.478487%24.478487%24.5%41,48141.5k1224.299065%24.299065%24.3%18224.232733%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%35,61435.6k2023.418418%23.418418%23.4%727,514728k23.327643%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%30,86930.9k2722.814828%22.814828%22.8%2,51122.619388%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%23,09423.1k4619.107662%19.107662%19.1%19718.240862%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%16,37016.4k50

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares the Madison Township to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with the Madison 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 Madison Township, selected other county subdivisions in the United States, and entities that contain the Madison Township
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroit270200Tract 270200PhoenixOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…Madison TownshipMadisonSacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasWest North CentralOceanside-EscondidoOceanside-Escond…IowaBrooklynMidwestUnited States of AmericaUnited StatesAlbuquerqueSan JoseHancock CountyHancockEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensAtlantaMiami270200-3B.G. 270200-3SeattleWashingtonBostonManhattanSan 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%172,353172k1625.114504%25.114504%25.1%65824.820142%24.820142%24.8%790,766791k1724.651051%24.651051%24.7%158,701159k1824.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.299065%24.299065%24.3%18224.105398%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%155,230155k2423.418418%23.418418%23.4%727,514728k23.337305%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%401,701402k2722.814828%22.814828%22.8%2,51122.814001%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%472,878473k4319.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4519.107662%19.107662%19.1%19717.999155%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%114,628115k50

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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