Age and Sex in Iowa (State)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the states.
Scope: population of the United States, Iowa, and other states
Iowa
United States
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-477,72377.7k2.502%2.50%65,86065.9k2.120%2.12%87,33887.3k2.811%2.81%109,885110k3.537%3.54%82,53782.5k2.657%2.66%67,43867.4k2.171%2.17%110,998111k3.573%3.57%83,06483.1k2.674%2.67%211,948212k6.823%6.82%215,606216k6.940%6.94%190,542191k6.133%6.13%180,177180k5.800%5.80%184,447184k5.937%5.94%199,191199k6.412%6.41%192,086192k6.183%6.18%130,749131k4.209%4.21%47,02747.0k1.514%1.51%49,59449.6k1.596%1.60%92,86592.9k2.989%2.99%122,159122k3.932%3.93%203,643204k6.555%6.56%204,844205k6.594%6.59%196,868197k6.337%6.34%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of the United States and Iowa
Female Male
United States
Iowa
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.192490%-0.053856%-0.177049%-0.048590%-0.246346%0.25%0.192490%0.177049%0.192490%0.19%490,781491k15.798%15.8%-0.638182%-0.639439%-0.027509%-0.638182%0.64%0.638182%0.001353%0.639439%0.639535%0.64%992,335992k31.943%31.9%-0.619125%-0.662794%-0.619125%0.62%0.619125%0.025145%0.662794%0.011473%0.644270%0.64%706,473706k22.741%22.7%-0.735381%-0.690098%-0.735381%0.74%0.735381%0.054111%0.690098%0.036916%0.789491%0.79%189,486189k6.099%6.10%-0.634612%-0.627873%-0.634612%0.63%0.634612%0.031800%0.627873%0.028032%0.666412%0.67%727,514728k23.418%23.4%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of the United States and Iowa
Female Male
United States
Iowa
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.051411%-0.053545%-0.040405%-0.038024%-0.104956%0.10%0.051411%0.040405%0.051411%0.05%77,72377.7k2.502%2.50%-0.174468%-0.075066%-0.151220%-0.063891%-0.249534%0.25%0.174468%0.151220%0.174468%0.17%65,86065.9k2.120%2.12%-0.248144%-0.065989%-0.220748%-0.056595%-0.314132%0.31%0.248144%0.220748%0.248144%0.25%87,33887.3k2.811%2.81%-0.334521%-0.038389%-0.319204%-0.054701%-0.372911%0.37%0.334521%0.319204%0.334521%0.33%109,885110k3.537%3.54%-0.424367%-0.036879%-0.421958%-0.052156%-0.461245%0.46%0.424367%0.421958%0.424367%0.42%82,53782.5k2.657%2.66%-0.524144%-0.037115%-0.502773%-0.054229%-0.561259%0.56%0.524144%0.502773%0.524144%0.52%67,43867.4k2.171%2.17%-0.595229%-0.000536%-0.541468%-0.051993%-0.595766%0.60%0.595229%0.541468%0.595229%0.60%110,998111k3.573%3.57%-0.663219%-0.010462%-0.599140%-0.045449%-0.673681%0.67%0.663219%0.599140%0.663219%0.66%83,06483.1k2.674%2.67%-0.675983%-0.012541%-0.647813%-0.041116%-0.688524%0.69%0.675983%0.647813%0.675983%0.68%211,948212k6.823%6.82%-0.690906%-0.006245%-0.688902%-0.025961%-0.697150%0.70%0.690906%0.688902%0.690906%0.69%215,606216k6.940%6.94%-0.607007%-0.655595%-0.013619%-0.607007%0.61%0.607007%0.012683%0.655595%0.619689%0.62%190,542191k6.133%6.13%-0.571295%-0.640349%-0.007471%-0.571295%0.57%0.571295%0.017376%0.640349%0.588671%0.59%180,177180k5.800%5.80%-0.587487%-0.626779%-0.004019%-0.587487%0.59%0.587487%0.012483%0.626779%0.599970%0.60%184,447184k5.937%5.94%-0.628104%-0.669173%-0.628104%0.63%0.628104%0.026170%0.669173%0.005514%0.654274%0.65%199,191199k6.412%6.41%-0.601386%-0.680581%-0.601386%0.60%0.601386%0.033864%0.680581%0.019624%0.635250%0.64%192,086192k6.183%6.18%-0.686455%-0.675846%-0.686455%0.69%0.686455%0.030011%0.675846%0.033642%0.716466%0.72%130,749131k4.209%4.21%-0.733441%-0.709599%-0.733441%0.73%0.733441%0.046900%0.709599%0.039633%0.780341%0.78%47,02747.0k1.514%1.51%-0.770169%-0.721323%-0.770169%0.77%0.770169%0.056074%0.721323%0.040945%0.826244%0.83%49,59449.6k1.596%1.60%-0.718956%-0.664734%-0.718956%0.72%0.718956%0.056734%0.664734%0.033543%0.775690%0.78%92,86592.9k2.989%2.99%-0.640338%-0.642594%-0.640338%0.64%0.640338%0.030076%0.642594%0.030383%0.670414%0.67%122,159122k3.932%3.93%-0.639003%-0.635182%-0.639003%0.64%0.639003%0.033033%0.635182%0.027016%0.672036%0.67%203,643204k6.555%6.56%-0.643465%-0.629799%-0.643465%0.64%0.643465%0.031842%0.629799%0.027976%0.675307%0.68%204,844205k6.594%6.59%-0.617932%-0.609806%-0.617932%0.62%0.617932%0.031559%0.609806%0.027693%0.649490%0.65%196,868197k6.337%6.34%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of the United States and Iowa
More Females More Males
United States
Iowa
100%50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-104.151992%-94.107784%-104.151992%104.2%0.4900.4967.122%67.1%32.878%32.9%-43.025830%-42.250155%-43.025830%43.0%0.6990.7058.852%58.9%41.148%41.1%-26.592985%-25.637895%-26.592985%26.6%0.7900.7955.868%55.9%44.132%44.1%-11.475915%-17.136703%-11.475915%11.5%0.8970.9052.713%52.7%47.287%47.3%-8.690265%-12.360556%-8.690265%8.7%0.9200.9252.082%52.1%47.918%47.9%-7.081005%-10.786056%-7.081005%7.1%0.9340.9351.710%51.7%48.290%48.3%-0.090132%-9.602216%-0.090132%0.1%0.9991.0050.023%50.0%49.977%50.0%-1.577402%-7.585728%-1.577402%1.6%0.9840.9850.391%50.4%49.609%49.6%-1.855238%-6.346862%-1.855238%1.9%0.9820.9850.460%50.5%49.540%49.5%-0.903856%-3.768485%-0.903856%0.9%0.9910.9950.225%50.2%49.775%49.8%-2.077397%2.089388%2.089388%2.1%1.0211.0249.483%49.5%50.517%50.5%-1.166734%3.041504%3.041504%3.0%1.0301.0349.251%49.3%50.749%50.7%-0.641232%2.124838%2.124838%2.1%1.0211.0249.474%49.5%50.526%50.5%4.166539%0.824044%4.166539%4.2%1.0421.0448.980%49.0%51.020%51.0%5.630908%2.883352%5.630908%5.6%1.0561.0648.631%48.6%51.369%51.4%4.371952%4.977745%4.371952%4.4%1.0441.0448.930%48.9%51.070%51.1%6.394558%5.585264%6.394558%6.4%1.0641.0648.451%48.5%51.549%51.5%7.280782%5.676433%7.280782%7.3%1.0731.0748.244%48.2%51.756%51.8%7.891202%5.046055%7.891202%7.9%1.0791.0848.102%48.1%51.898%51.9%4.696873%4.728170%4.696873%4.7%1.0471.0548.853%48.9%51.147%51.1%5.169461%4.253238%5.169461%5.2%1.0521.0548.740%48.7%51.260%51.3%4.948524%4.441989%4.948524%4.9%1.0491.0548.793%48.8%51.207%51.2%5.107154%4.541243%5.107154%5.1%1.0511.0548.755%48.8%51.245%51.2%

Map of Age Cohorts by County in Iowa

Children Age Cohorts by County#5

Percentage of population aged 0 to 17 (%):
17.0%19.5%22.0%24.4%26.8%29.3%

College Age Cohorts by County#6

Percentage of population aged 18 to 21 (%):
2.3%6.3%10.3%14.3%18.2%22.2%

20s Age Cohorts by County#7

Percentage of population aged 22 to 29 (%):
5.7%8.0%10.3%12.5%14.7%17.0%

30s Age Cohorts by County#8

Percentage of population aged 30 to 39 (%):
8.4%10.0%11.6%13.1%14.7%16.3%

40s Age Cohorts by County#9

Percentage of population aged 40 to 49 (%):
8.3%9.6%10.8%12.0%13.2%14.4%

50s Age Cohorts by County#10

Percentage of population aged 50 to 59 (%):
9.5%11.2%12.8%14.4%16.0%17.6%

60s Age Cohorts by County#11

Percentage of population aged 60 to 69 (%):
7.7%9.7%11.7%13.7%15.7%17.8%

70s Age Cohorts by County#12

Percentage of population aged 70 to 79 (%):
3.7%5.2%6.5%7.9%9.3%10.7%

80+ Age Cohorts by County#13

Percentage of population aged 80 and older (%):
2.5%3.9%5.3%6.7%8.0%9.4%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Iowa

There are 1,008 places in Iowa. This section compares the 50 most populous of those to each other, Iowa, and other entities that contain or substantially overlap with Iowa. The least populous of the compared places has a population of 7,876.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Iowa, selected places in Iowa, and entities that contain Iowa
0%10%20%30%Count#GrimesWaukeeDenisonPerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveJohnstonMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleDes MoinesLe MarsIndianolaKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPellaCoralvilleOskaloosaWest Des MoinesW Des MoinesMount PleasantMt PleasantClintonBooneFort MadisonMason CityFort DodgeDubuqueWaverlyGrinnellFairfieldCedar FallsIowa CityAmesDecorah32.431395%32.431395%32.4%3,380131.772339%31.772339%31.8%5,387230.290656%30.290656%30.3%2,522328.504317%28.504317%28.5%2,245428.208902%28.208902%28.2%4,791527.875629%27.875629%27.9%4,653627.824687%27.824687%27.8%14,86214.9k727.473854%27.473854%27.5%2,732827.405275%27.405275%27.4%2,951927.388086%27.388086%27.4%4,6621027.043251%27.043251%27.0%5,2711126.091833%26.091833%26.1%7,2111226.006943%26.006943%26.0%6,2181325.896554%25.896554%25.9%9,6331425.773595%25.773595%25.8%21,30621.3k1525.530701%25.530701%25.5%8,9481625.426908%25.426908%25.4%10,57210.6k1724.908508%24.908508%24.9%53,02053.0k1824.740484%24.740484%24.7%2,4311924.460666%24.460666%24.5%3,7532023.852089%23.852089%23.9%2,5352123.813814%23.813814%23.8%2,3792223.799623%23.799623%23.8%6,0672323.725441%23.725441%23.7%16,21816.2k2423.689691%23.689691%23.7%4,971,0164.97M23.631299%23.631299%23.6%24,17624.2k2523.630505%23.630505%23.6%2,6402623.601956%23.601956%23.6%2,2202723.418418%23.418418%23.4%727,514728k23.257585%23.257585%23.3%1,8322823.227866%23.227866%23.2%14,47714.5k2923.218261%23.218261%23.2%5,7373023.217458%23.217458%23.2%15,712,75815.7M23.127899%23.127899%23.1%3,4903123.108006%23.108006%23.1%73,612,43873.6M22.994202%22.994202%23.0%29,78629.8k3222.908560%22.908560%22.9%2,3553322.581930%22.581930%22.6%4,5343422.352227%22.352227%22.4%2,5793522.340322%22.340322%22.3%13,76713.8k3621.705335%21.705335%21.7%1,8433721.500688%21.500688%21.5%5,6223821.302244%21.302244%21.3%2,6863921.069737%21.069737%21.1%2,2694021.048428%21.048428%21.0%5,7984121.014375%21.014375%21.0%5,1754220.761937%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%1,9094617.796610%17.796610%17.8%7,2664715.598536%15.598536%15.6%11,29111.3k4812.309397%12.309397%12.3%7,8874910.732624%10.732624%10.7%85750

Age Cohorts by Metro Area in Iowa

There are 26 metro areas that are fully or partially contained within Iowa (21 fully and 5 partially). This section compares all 26 of those to each other, Iowa, and other entities that contain or substantially overlap with Iowa.

Children by Metro Area#23

Percentage of population aged 0 to 17 (%):
Scope: population of Iowa, selected metro areas in Iowa, and entities that contain Iowa
0%5%10%15%20%25%Count#Sioux City Metro AreaSioux CityOmaha and Council Bluffs Metro AreaOmaha AreaDes Moines and West Des Moines Metro AreaDes MoinesMuscatine Metro AreaMuscatineStorm Lake Metro AreaStorm LakeMarshalltown Metro AreaMarshalltownCarroll Metro AreaCarroll AreaPella Metro AreaPella AreaOttumwa Metro AreaOttumwa AreaCedar Rapids Metro AreaCedar RapidsWest North CentralOskaloosa Metro AreaOskaloosaIowaMidwestDavenport, Moline, and Rock Island Metro AreaDavenportUnited States of AmericaUnited StatesDubuque Metro AreaDubuque AreaClinton Metro AreaClinton AreaSpencer Metro AreaSpencer AreaBurlington Metro AreaBurlingtonBoone Metro AreaBoone AreaNewton Metro AreaNewton AreaWaterloo and Cedar Falls Metro AreaWaterloo AreaFort Madison and Keokuk Metro AreaFort MadisonFort Dodge Metro AreaFort DodgeMason City Metro AreaMason CityIowa City Metro AreaIowa CityFairfield Metro AreaFairfieldSpirit Lake Metro AreaSpirit LakeAmes Metro AreaAmes Area26.290401%26.290401%26.3%44,36444.4k125.902873%25.902873%25.9%234,378234k225.663215%25.663215%25.7%156,996157k325.406878%25.406878%25.4%10,91210.9k425.375397%25.375397%25.4%5,188525.003069%25.003069%25.0%10,18510.2k624.169302%24.169302%24.2%4,968724.119649%24.119649%24.1%8,007823.801409%23.801409%23.8%10,47510.5k923.789055%23.789055%23.8%62,86962.9k1023.689691%23.689691%23.7%4,971,0164.97M23.588963%23.588963%23.6%5,2661123.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.181078%23.181078%23.2%88,85488.9k1223.108006%23.108006%23.1%73,612,43873.6M23.102149%23.102149%23.1%22,26122.3k1323.017594%23.017594%23.0%11,04211.0k1422.812234%22.812234%22.8%3,7591522.347069%22.347069%22.3%10,52110.5k1622.335391%22.335391%22.3%5,8991722.187117%22.187117%22.2%8,1461821.775376%21.775376%21.8%36,98737.0k1921.569274%21.569274%21.6%13,08513.1k2021.511471%21.511471%21.5%7,9702120.904355%20.904355%20.9%10,63310.6k2220.759683%20.759683%20.8%34,07134.1k2319.516476%19.516476%19.5%3,4472419.400446%19.400446%19.4%3,3072517.082481%17.082481%17.1%16,20016.2k26