Age and Sex in Onawa, Monona County, Iowa (City)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Monona County.
Scope: population of Monona County, Onawa, and other county subdivisions in Monona County
Onawa
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41254.301%4.30%682.340%2.34%1063.648%3.65%1284.405%4.40%1384.749%4.75%571.961%1.96%883.028%3.03%812.787%2.79%1545.299%5.30%1876.435%6.43%1826.263%6.26%2709.291%9.29%842.891%2.89%1244.267%4.27%1856.366%6.37%1264.336%4.34%722.478%2.48%220.757%0.76%822.822%2.82%1083.716%3.72%2077.123%7.12%1996.848%6.85%1133.889%3.89%
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 Monona County and Onawa
Female Male
Monona County
Onawa
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.219852%-0.154852%-0.293712%-0.092151%-0.374704%0.37%0.219852%0.293712%0.219852%0.22%62221.404%21.4%-0.642808%-0.038541%-0.694109%-0.017308%-0.681349%0.68%0.642808%0.694109%0.642808%0.64%96233.104%33.1%-0.388086%-0.398190%-0.388086%0.39%0.388086%0.216028%0.398190%0.100472%0.604114%0.60%51917.860%17.9%-0.619408%-0.532564%-0.619408%0.62%0.619408%0.275292%0.532564%0.013869%0.894701%0.89%1766.056%6.06%-0.489409%-0.535646%-0.489409%0.49%0.489409%0.219852%0.535646%0.036367%0.709261%0.71%62721.576%21.6%
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 Monona County and Onawa
Female Male
Monona County
Onawa
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.036562%-0.195716%-0.038139%-0.140075%-0.232278%0.2%0.036562%0.038139%0.036562%0.0%1254.301%4.30%-0.213352%-0.041294%-0.417175%-0.254646%0.3%0.213352%0.417175%0.013314%0.213352%0.2%682.340%2.34%-0.350998%-0.027529%-0.410518%-0.221902%-0.378527%0.4%0.350998%0.410518%0.350998%0.4%1063.648%3.65%-0.302822%-0.275292%-0.523688%-0.037723%-0.578114%0.6%0.302822%0.523688%0.302822%0.3%1284.405%4.40%-0.711172%-0.160587%-0.636118%-0.871760%0.9%0.711172%0.636118%0.051777%0.711172%0.7%1384.749%4.75%-0.430145%-0.120440%-0.538112%-0.550585%0.6%0.430145%0.538112%0.000000%0.430145%0.4%571.961%1.96%-0.091764%-0.650912%-0.091764%0.1%0.091764%0.825877%0.650912%0.373535%0.917642%0.9%883.028%3.03%-0.412939%-0.567791%-0.654610%-0.305115%-0.980730%1.0%0.412939%0.654610%0.412939%0.4%812.787%2.79%-0.399174%-0.261528%-0.674581%-0.057694%-0.660702%0.7%0.399174%0.674581%0.399174%0.4%1545.299%5.30%-0.543703%-0.736714%-0.543703%0.5%0.543703%0.199587%0.736714%0.006657%0.743290%0.7%1876.435%6.43%-0.440468%-0.371645%-0.523688%-0.110951%-0.812113%0.8%0.440468%0.523688%0.440468%0.4%1826.263%6.26%-0.915348%-0.027529%-0.652391%-0.026628%-0.942877%0.9%0.915348%0.652391%0.915348%0.9%2709.291%9.29%-0.233999%-0.339510%-0.048818%-0.233999%0.2%0.233999%0.110117%0.339510%0.344116%0.3%842.891%2.89%-0.364763%-0.123882%-0.468213%-0.026628%-0.488644%0.5%0.364763%0.468213%0.364763%0.4%1244.267%4.27%-0.461115%-0.366138%-0.461115%0.5%0.461115%0.350998%0.366138%0.239654%0.812113%0.8%1856.366%6.37%-0.355586%-0.306964%-0.355586%0.4%0.355586%0.734113%0.306964%0.329154%1.089699%1.1%1264.336%4.34%-0.000000%-0.920892%0.000000%0.0%0.000000%2.477632%0.920892%0.022190%2.477632%2.5%722.478%2.48%-0.206469%-0.344116%-0.166426%-0.155331%-0.550585%0.6%0.206469%0.166426%0.206469%0.2%220.757%0.76%-0.447350%-0.516173%-0.443803%-0.963524%1.0%0.447350%0.443803%0.094308%0.447350%0.4%822.822%2.82%-0.194999%-0.584341%-0.194999%0.2%0.194999%0.848819%0.584341%0.099856%1.043817%1.0%1083.716%3.72%-0.708878%-0.006882%-0.541440%-0.715760%0.7%0.708878%0.541440%0.088761%0.708878%0.7%2077.123%7.12%-0.660702%-0.561411%-0.002219%-0.660702%0.7%0.660702%0.048176%0.561411%0.708878%0.7%1996.848%6.85%-0.268410%-0.457117%-0.015533%-0.268410%0.3%0.268410%0.240881%0.457117%0.509291%0.5%1133.889%3.89%
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 Monona County and Onawa
More Females More Males
Monona County
Onawa
500%0%500%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242018-1915-1710-145-90-4-535.294118%-367.272727%-535.294118%535.3%0.1570.1686.400%86.4%13.600%13.6%-19.354839%-19.354839%19.4%3.191489%0.8380.8454.412%54.4%45.588%45.6%-7.843137%-54.054054%-7.843137%7.8%0.9270.9351.887%51.9%48.113%48.1%-90.909091%-7.203390%-90.909091%90.9%0.5240.5265.625%65.6%34.375%34.4%-22.580645%-22.580645%22.6%8.139535%0.8160.8255.072%55.1%44.928%44.9%-28.000000%0.000000%-28.000000%28.0%0.7810.7856.140%56.1%43.860%43.9%900.000000%57.386364%900.000000%900.0%10.00010.09.091%9.09%90.909%90.9%-137.500000%-46.610169%-137.500000%137.5%0.4210.4270.370%70.4%29.630%29.6%-65.517241%-8.552632%-65.517241%65.5%0.6040.6062.338%62.3%37.662%37.7%36.708861%0.903614%36.708861%36.7%1.3671.3742.246%42.2%57.754%57.8%-84.375000%-21.186441%-84.375000%84.4%0.5420.5464.835%64.8%35.165%35.2%-3.007519%-4.081633%-3.007519%3.0%0.9710.9750.741%50.7%49.259%49.3%-14.379085%47.058824%47.058824%47.1%1.4711.4740.476%40.5%59.524%59.5%-33.962264%-5.687204%-33.962264%34.0%0.7460.7557.258%57.3%42.742%42.7%76.119403%65.454545%76.119403%76.1%1.7611.7636.216%36.2%63.784%63.8%206.451613%107.228916%206.451613%206.5%3.0653.0624.603%24.6%75.397%75.4%-166.666667%-93.333333%-166.666667%166.7%0.3750.3872.727%72.7%27.273%27.3%-115.384615%-115.384615%115.4%21.250000%0.4640.4668.293%68.3%31.707%31.7%435.294118%17.088608%435.294118%435.3%5.3535.3515.741%15.7%84.259%84.3%-0.970874%-0.970874%1.0%16.393443%0.9900.9950.242%50.2%49.758%49.8%-0.395257%7.291667%7.291667%7.3%1.0731.0748.241%48.2%51.759%51.8%-3.398058%89.743590%89.743590%89.7%1.8971.9034.513%34.5%65.487%65.5%
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 Tract in Onawa

Children Age Cohorts by Tract#5

Percentage of population aged 0 to 17 (%):
21.16%21.25%21.33%21.41%21.49%21.58%

College Age Cohorts by Tract#6

Percentage of population aged 18 to 21 (%):
2.9%3.6%4.2%4.8%5.4%6.1%

20s Age Cohorts by Tract#7

Percentage of population aged 22 to 29 (%):
7.0%7.8%8.5%9.2%10.0%10.8%

30s Age Cohorts by Tract#8

Percentage of population aged 30 to 39 (%):
7.1%8.1%9.1%10.1%11.0%12.0%

40s Age Cohorts by Tract#9

Percentage of population aged 40 to 49 (%):
9.6%10.8%12.0%13.2%14.4%15.6%

50s Age Cohorts by Tract#10

Percentage of population aged 50 to 59 (%):
11.7%12.3%12.8%13.4%13.9%14.5%

60s Age Cohorts by Tract#11

Percentage of population aged 60 to 69 (%):
12.5%13.3%14.1%14.8%15.6%16.4%

70s Age Cohorts by Tract#12

Percentage of population aged 70 to 79 (%):
8.05%8.26%8.46%8.67%8.87%9.08%

80+ Age Cohorts by Tract#13

Percentage of population aged 80 and older (%):
6.64%6.77%6.89%7.01%7.14%7.27%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Onawa

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
10.1%14.8%19.4%24.0%28.6%33.3%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
2.9%4.3%5.6%6.9%8.2%9.5%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
2.6%6.0%9.3%12.7%16.0%19.4%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
4.2%5.5%6.8%8.1%9.3%10.6%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
8.7%13.0%17.3%21.5%25.8%30.1%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
9.1%10.9%12.7%14.5%16.2%18.0%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
8.5%11.2%13.8%16.5%19.2%21.9%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
3.1%5.8%8.5%11.2%13.9%16.6%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
0.0%2.7%5.3%8.0%10.6%13.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Onawa

Children Age Cohorts by Block#23

Percentage of population aged 0 to 17 (%):
0%11%22%33%44%55%

College Age Cohorts by Block#24

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

20s Age Cohorts by Block#25

Percentage of population aged 22 to 29 (%):
0%8%16%24%32%40%

30s Age Cohorts by Block#26

Percentage of population aged 30 to 39 (%):
0%8%16%24%32%40%

40s Age Cohorts by Block#27

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

50s Age Cohorts by Block#28

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

60s Age Cohorts by Block#29

Percentage of population aged 60 to 69 (%):
0%13%27%40%53%67%

70s Age Cohorts by Block#30

Percentage of population aged 70 to 79 (%):
0%7%14%21%29%36%

80+ Age Cohorts by Block#31

Percentage of population aged 80 and older (%):
0%11%23%34%46%57%
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 Onawa to the 50 most populous county subdivisions in Iowa and to those entities that contain or substantially overlap with Onawa. The least populous of the compared county subdivisions has a population of 9,112.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Onawa, selected other county subdivisions in Iowa, and entities that contain Onawa
0%10%20%30%Count#Jefferson TownshipJeffersonWalnut TownshipWalnutPenn TownshipCrocker TownshipCrockerTaylor TownshipTaylorClay TownshipStorm LakeLee TownshipBoone TownshipBooneWebster TownshipWebsterSioux CityMarion TownshipMarionBloomfield TownshipBloomfieldBloomington TownshipBloomingtonPleasant Valley TownshipPleasant VlyLewis TownshipLewisAmerica TownshipAmericaIndianolaLake Prairie TownshipLk PrairieKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerKane TownshipIowaKnoxville TownshipKnoxvilleMidwestUnited States of AmericaUnited StatesCedar RapidsFranklin TownshipFranklinDes Moines TownshipDes MoinesFour Mile TownshipFour MileCenter TownshipCtrNewton TownshipNewtonOskaloosaWalnut TownshipWalnutTimber Creek TownshipTimber CrkMonroe TownshipMonroeOnawaOnawaClintonZIP Code 51040ZIP 51040Des Moines TownshipDes MoinesMason CityFort DodgeWest Monona Community School DistrictWest MononaMadison TownshipMadisonDubuqueWaverlyMonona CountyMononaGrinnellFairfieldCedar 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%9,2041525.083790%25.083790%25.1%3,2931624.944148%24.944148%24.9%2,5681724.460666%24.460666%24.5%3,7531824.273694%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%5,3922922.683503%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%2,8313721.576050%21.576050%21.6%62721.576050%21.576050%21.6%62721.500688%21.500688%21.5%5,6223821.212121%21.212121%21.2%74921.077004%21.077004%21.1%2,8223921.048428%21.048428%21.0%5,7984021.014375%21.014375%21.0%5,1754120.951669%20.951669%21.0%84120.951206%20.951206%21.0%2,2074220.761937%20.761937%20.8%12,15312.2k4320.549308%20.549308%20.5%2,0654419.937868%19.937868%19.9%1,79719.304214%19.304214%19.3%1,7594519.201368%19.201368%19.2%1,9094617.796610%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
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 Onawa to the 50 most populous county subdivisions in the Midwest and to those entities that contain or substantially overlap with Onawa. The least populous of the compared county subdivisions has a population of 112,821.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Onawa, selected other county subdivisions in the Midwest, and entities that contain Onawa
0%10%20%Count#OlatheAurora TownshipAuroraKansas CityWayne TownshipWayneMilwaukeeWichitaLawrence TownshipLawrenceNorth TownshipNSt. PaulDetroitOmahaThornton TownshipThorntonSioux FallsRockford TownshipRockfordMilton TownshipMiltonBlue TownshipGrand RapidsTopekaWest North CentralPalatine TownshipPalatineProviso TownshipProvisoIowaDowners Grove TownshipDowners GrvToledoOverland ParkMidwestUnited States of AmericaUnited StatesWorth TownshipWorthClevelandCedar RapidsWarrenLincolnColumbusBloomingdale TownshipBloomingdaleCapital TownshipCapitalLisle TownshipLisleWheeling TownshipWheelingYork TownshipSchaumburg TownshipSchaumburgDaytonCincinnatiChicagoAkronOnawaOnawaCenter TownshipCtrZIP Code 51040ZIP 51040West Monona Community School DistrictWest MononaMaine TownshipMaineWashington TownshipWashingtonSt. LouisSterling HeightsSterling HtsMinneapolisMonona CountyMononaFargoKaw 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%172,353172k1025.047396%25.047396%25.0%110,978111k1124.478487%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%35,61435.6k2023.418418%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%30,86930.9k2722.619388%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%42,96143.0k3921.576050%21.576050%21.6%62721.576050%21.576050%21.6%62721.428183%21.428183%21.4%31,52331.5k4021.212121%21.212121%21.2%74920.951669%20.951669%21.0%84120.781276%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%80,78280.8k4519.937868%19.937868%19.9%1,79719.917206%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%16,37016.4k50
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 Onawa to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with Onawa. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#50

Percentage of population aged 0 to 17 (%):
Scope: population of Onawa, selected other county subdivisions in the United States, and entities that contain Onawa
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasWest North CentralOceanside-EscondidoOceanside-Escond…IowaBrooklynMidwestUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyOnawaOnawaTucsonZIP Code 51040ZIP 51040BaltimoreWest Monona Community School DistrictWest MononaLos AngelesDenverQueensMonona CountyMononaAtlantaMiamiSeattleWashingtonBostonManhattanSan 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%158,701159k1824.540635%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%155,230155k2423.418418%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%401,701402k2722.814001%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%398,263398k3821.576050%21.576050%21.6%62721.576050%21.576050%21.6%62721.517750%21.517750%21.5%188,032188k3921.212121%21.212121%21.2%74921.123671%21.123671%21.1%131,178131k4020.951669%20.951669%21.0%84120.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.470812%20.470812%20.5%472,878473k4319.937868%19.937868%19.9%1,79719.876571%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%114,628115k50
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:
Iowa
County:
Monona
City:
Onawa
ZIP Code:
51040
Unified School District:
West Monona
Congressional District:
IA-4
State Senate District:
IA-9
State House District:
IA-17
Neighboring Townships:
Ashton, Franklin
Nearby Townships:
Belvidere, Decatur, Kennebec, Lake, Lincoln, Quinnebaugh, Riverside, Sherman, Sioux, West Fork