Age and Sex in Monmouth, Iowa (City)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the places in Iowa.
Scope: population of Iowa, Monmouth, and other places in Iowa
Monmouth
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-431.775%1.78%31.775%1.78%21.183%1.18%10.592%0.59%63.550%3.55%63.550%3.55%42.367%2.37%00.000%0%42.367%2.37%2011.834%11.8%127.101%7.10%1911.243%11.2%116.509%6.51%52.959%2.96%1810.651%10.7%116.509%6.51%52.959%2.96%00.000%0%31.775%1.78%10.592%0.59%42.367%2.37%1911.243%11.2%127.101%7.10%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Monmouth
Female Male
Iowa
Monmouth
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%Senior2Older Adult3Younger Adult4College5Children6-0.164366%-0.192490%-0.053856%-0.164366%0.16%0.164366%0.016437%0.192490%0.180802%0.18%2112.426%12.4%-0.615385%-0.165680%-0.638182%-0.781065%0.78%0.615385%0.638182%0.001353%0.615385%0.62%5934.911%34.9%-0.657462%-0.164366%-0.619125%-0.821828%0.82%0.657462%0.619125%0.025145%0.657462%0.66%4526.627%26.6%-0.000000%-1.183432%-0.735381%-1.183432%1.18%0.000000%0.735381%0.054111%0.000000%0.00%84.734%4.73%-0.493097%-0.197239%-0.634612%-0.690335%0.69%0.493097%0.634612%0.031800%0.493097%0.49%3621.302%21.3%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Monmouth
Female Male
Iowa
Monmouth
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.036982%-0.036982%-0.051411%-0.053545%-0.073964%0.1%0.036982%0.051411%0.036982%0.0%31.775%1.78%-0.118343%-0.118343%-0.174468%-0.075066%-0.236686%0.2%0.118343%0.174468%0.118343%0.1%31.775%1.78%-0.118343%-0.248144%-0.065989%-0.118343%0.1%0.118343%0.000000%0.248144%0.118343%0.1%21.183%1.18%-0.000000%-0.118343%-0.334521%-0.038389%-0.118343%0.1%0.000000%0.334521%0.000000%0.0%10.592%0.59%-0.394477%-0.424367%-0.036879%-0.394477%0.4%0.394477%0.394477%0.424367%0.788955%0.8%63.550%3.55%-0.591716%-0.524144%-0.037115%-0.591716%0.6%0.591716%0.591716%0.524144%1.183432%1.2%63.550%3.55%-0.197239%-0.595229%-0.000536%-0.197239%0.2%0.197239%0.394477%0.595229%0.591716%0.6%42.367%2.37%-0.000000%-0.663219%-0.010462%0.000000%0.0%0.000000%0.000000%0.663219%0.000000%0.0%00.000%0%-0.118343%-0.236686%-0.675983%-0.012541%-0.355030%0.4%0.118343%0.675983%0.118343%0.1%42.367%2.37%-1.183432%-0.690906%-0.006245%-1.183432%1.2%1.183432%0.000000%0.690906%1.183432%1.2%2011.834%11.8%-0.236686%-0.607007%-0.236686%0.2%0.236686%0.946746%0.607007%0.012683%1.183432%1.2%127.101%7.10%-0.236686%-1.775148%-0.571295%-2.011834%2.0%0.236686%0.571295%0.017376%0.236686%0.2%1911.243%11.2%-0.591716%-0.118343%-0.587487%-0.710059%0.7%0.591716%0.587487%0.012483%0.591716%0.6%116.509%6.51%-0.118343%-0.628104%-0.118343%0.1%0.118343%0.355030%0.628104%0.026170%0.473373%0.5%52.959%2.96%-0.828402%-0.601386%-0.828402%0.8%0.828402%0.473373%0.601386%0.033864%1.301775%1.3%1810.651%10.7%-0.000000%-2.169625%-0.686455%-2.169625%2.2%0.000000%0.686455%0.030011%0.000000%0.0%116.509%6.51%-0.000000%-2.958580%-0.733441%-2.958580%3.0%0.000000%0.733441%0.046900%0.000000%0.0%52.959%2.96%-0.000000%-0.770169%0.000000%0.0%0.000000%0.000000%0.770169%0.056074%0.000000%0.0%00.000%0%-0.000000%-0.887574%-0.718956%-0.887574%0.9%0.000000%0.718956%0.056734%0.000000%0.0%31.775%1.78%-0.000000%-0.197239%-0.640338%-0.197239%0.2%0.000000%0.640338%0.030076%0.000000%0.0%10.592%0.59%-0.000000%-0.473373%-0.639003%-0.473373%0.5%0.000000%0.639003%0.033033%0.000000%0.0%42.367%2.37%-1.065089%-0.118343%-0.643465%-1.183432%1.2%1.065089%0.643465%0.031842%1.065089%1.1%1911.243%11.2%-0.710059%-0.617932%-0.710059%0.7%0.710059%0.000000%0.617932%0.031559%0.710059%0.7%127.101%7.10%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Iowa and Monmouth
More Females More Males
Iowa
Monmouth
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6455-5950-5445-4940-4435-3930-3425-2922-242118-1915-1710-145-90-4-100.000000%-104.151992%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%-100.000000%-43.025830%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%0.000000%-26.592985%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%-1,000.000000%-11.475915%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-8.690265%100.000000%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%-7.081005%100.000000%100.000000%100.0%2.0002.0033.333%33.3%66.667%66.7%-0.090132%200.000000%200.000000%200.0%3.0003.0025.000%25.0%75.000%75.0%-200.000000%-1.855238%-200.000000%200.0%0.3330.3375.000%75.0%25.000%25.0%0.000000%-0.903856%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%400.000000%2.089388%400.000000%400.0%5.0005.0016.667%16.7%83.333%83.3%-750.000000%-750.000000%750.0%3.041504%0.1180.1289.474%89.5%10.526%10.5%-20.000000%-20.000000%20.0%2.124838%0.8330.8354.545%54.5%45.455%45.5%300.000000%4.166539%300.000000%300.0%4.0004.0020.000%20.0%80.000%80.0%57.142857%5.630908%57.142857%57.1%1.5711.5738.889%38.9%61.111%61.1%-1,000.000000%-1,000.000000%> 1000%4.371952%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%6.394558%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%7.891202%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%4.696873%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%5.169461%0.0000100.000%100%0.000%0%-11.111111%-11.111111%11.1%4.948524%0.9000.9052.632%52.6%47.368%47.4%0.000000%0.000000%0.0%5.107154%1.0001.0050.000%50.0%50.000%50.0%

Map of Age Cohorts by Block in Monmouth

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%7%14%21%29%36%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0.0%2.2%4.4%6.7%8.9%11.2%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%5%10%15%20%25%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0.0%3.4%6.9%10.3%13.8%17.3%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
0%10%20%30%40%50%

50s Age Cohorts by Block#10

Percentage of population aged 50 to 59 (%):
0%7%13%20%27%34%

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%12%24%36%48%61%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0%10%20%30%40%50%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Jackson County

There are 13 places in Jackson County. This section compares Monmouth to all of the places in Jackson County and to those entities that contain or substantially overlap with Monmouth.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Monmouth, selected other places in Jackson County, and entities that contain Monmouth
0%10%20%30%Count#SpraguevilleAndrewMilesMonmouth TownshipMonmouthMaquoketaWest North CentralIowaSpringbrookMidwestPrestonUnited States of AmericaUnited States950100-3B.G. 950100-3Midland Community School DistrictMidlandJackson CountyJacksonBellevueMonmouthLa MotteZwingleSt. DonatusZIP Code 52309ZIP 52309950100Tract 950100BaldwinSabula37.383178%37.383178%37.4%40132.369942%32.369942%32.4%168224.634146%24.634146%24.6%101324.548193%24.548193%24.5%16323.966805%23.966805%24.0%1,444423.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.357664%23.357664%23.4%32523.217458%23.217458%23.2%15,712,75815.7M23.143684%23.143684%23.1%240623.108006%23.108006%23.1%73,612,43873.6M22.670807%22.670807%22.7%14622.390572%22.390572%22.4%79822.300169%22.300169%22.3%4,35521.796626%21.796626%21.8%478721.301775%21.301775%21.3%36819.327731%19.327731%19.3%46919.230769%19.230769%19.2%201018.705036%18.705036%18.7%261118.695652%18.695652%18.7%8617.572016%17.572016%17.6%42716.438356%16.438356%16.4%241216.071429%16.071429%16.1%7213

Age Cohorts by Place in Iowa

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

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Monmouth, selected other places in Iowa, and entities that contain Monmouth
0%10%20%30%Count#GrimesWaukeeDenisonPerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveJohnstonMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleDes MoinesLe MarsMonmouth TownshipMonmouthIndianolaKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPella950100-3B.G. 950100-3CoralvilleMidland Community School DistrictMidlandOskaloosaWest Des MoinesW Des MoinesJackson CountyJacksonMount PleasantMt PleasantClintonBooneMonmouthFort MadisonMason CityFort DodgeDubuqueWaverlyGrinnellFairfieldZIP Code 52309ZIP 52309Cedar Falls950100Tract 950100Iowa 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%2,4311924.548193%24.548193%24.5%16324.460666%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%2,3553322.670807%22.670807%22.7%14622.581930%22.581930%22.6%4,5343422.390572%22.390572%22.4%79822.352227%22.352227%22.4%2,5793522.340322%22.340322%22.3%13,76713.8k3622.300169%22.300169%22.3%4,35521.705335%21.705335%21.7%1,8433721.500688%21.500688%21.5%5,6223821.302244%21.302244%21.3%2,6863921.301775%21.301775%21.3%3621.069737%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%1,9094618.695652%18.695652%18.7%8617.796610%17.796610%17.8%7,2664717.572016%17.572016%17.6%42715.598536%15.598536%15.6%11,29111.3k4812.309397%12.309397%12.3%7,8874910.732624%10.732624%10.7%85750

Age Cohorts by Place in the Midwest

There are 9,721 places in the Midwest. This section compares Monmouth to the 50 most populous places in the Midwest and to those entities that contain or substantially overlap with Monmouth. The least populous of the compared places has a population of 95,520.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Monmouth, selected other places in the Midwest, and entities that contain Monmouth
0%10%20%30%Count#AuroraDearbornOlatheJolietKansas CityElginSouth BendMilwaukeeNapervilleKenoshaFlintWichitaFort WayneRockfordSt. PaulDetroitPeoriaOmahaDes MoinesIndianapolisSioux FallsGreen BayMonmouth TownshipMonmouthRochesterGrand RapidsLansingTopekaWest North CentralDavenportIowaKansas CityToledoOverland ParkMidwestUnited States of AmericaUnited StatesClevelandCedar RapidsWarrenColumbus950100-3B.G. 950100-3LincolnIndependenceSpringfieldMidland Community School DistrictMidlandJackson CountyJacksonDaytonCincinnatiChicagoEvansvilleAkronMonmouthSt. LouisSterling HeightsSterling HtsMinneapolisFargoZIP Code 52309ZIP 52309ColumbiaSpringfield950100Tract 950100MadisonAnn Arbor30.107463%30.107463%30.1%60,48860.5k129.337312%29.337312%29.3%28,02328.0k229.310098%29.310098%29.3%38,92038.9k328.547605%28.547605%28.5%42,11242.1k428.278188%28.278188%28.3%42,34842.3k527.918405%27.918405%27.9%31,24631.2k627.834358%27.834358%27.8%28,12328.1k726.475933%26.475933%26.5%158,504159k826.450555%26.450555%26.5%38,56238.6k926.120262%26.120262%26.1%26,08526.1k1026.042783%26.042783%26.0%25,76125.8k1125.967894%25.967894%26.0%100,764101k1225.839420%25.839420%25.8%67,42967.4k1325.506528%25.506528%25.5%38,15738.2k1425.318684%25.318684%25.3%75,23775.2k1525.218343%25.218343%25.2%172,353172k1625.069403%25.069403%25.1%29,07829.1k1725.047396%25.047396%25.0%110,978111k1824.908508%24.908508%24.9%53,02053.0k1924.805415%24.805415%24.8%210,021210k2024.789140%24.789140%24.8%41,61741.6k2124.560033%24.560033%24.6%25,77625.8k2224.548193%24.548193%24.5%16324.207332%24.207332%24.2%26,96627.0k2323.914961%23.914961%23.9%46,36846.4k2423.889765%23.889765%23.9%27,41927.4k2523.720503%23.720503%23.7%30,23730.2k2623.689691%23.689691%23.7%4,971,0164.97M23.631299%23.631299%23.6%24,17624.2k2723.418418%23.418418%23.4%727,514728k23.365136%23.365136%23.4%110,229110k2823.297870%23.297870%23.3%65,43365.4k2923.297511%23.297511%23.3%42,81542.8k3023.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.998471%22.998471%23.0%89,50289.5k3122.994202%22.994202%23.0%29,78629.8k3222.854245%22.854245%22.9%30,86930.9k3322.726089%22.726089%22.7%190,226190k3422.670807%22.670807%22.7%14622.619388%22.619388%22.6%61,75561.8k3522.480528%22.480528%22.5%26,35126.4k3622.468628%22.468628%22.5%26,23126.2k3722.390572%22.390572%22.4%79822.300169%22.300169%22.3%4,35522.121536%22.121536%22.1%31,22331.2k3822.113949%22.113949%22.1%65,90265.9k3921.913385%21.913385%21.9%594,733595k4021.775858%21.775858%21.8%26,16526.2k4121.641949%21.641949%21.6%42,96143.0k4221.301775%21.301775%21.3%3620.242382%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%23,09423.1k4618.695652%18.695652%18.7%8618.454317%18.454317%18.5%21,62221.6k4718.124235%18.124235%18.1%29,93029.9k4817.572016%17.572016%17.6%42717.137062%17.137062%17.1%42,16342.2k4913.862661%13.862661%13.9%16,37016.4k50

Age Cohorts by Place in the United States

There are 29,322 places in the United States. This section compares Monmouth to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Monmouth. The least populous of the compared places has a population of 383,899.

Children by Place#41

Percentage of population aged 0 to 17 (%):
Scope: population of Monmouth, selected other places in the United States, and entities that contain Monmouth
0%10%20%Count#FresnoFort WorthEl PasoPhoenixMilwaukeeArlingtonWichitaOklahoma CitySan AntonioDallasHoustonMemphisDetroitOmahaIndianapolisTulsaMonmouth TownshipMonmouthCharlotteMesaLong BeachLas VegasColorado SpringsColorado SpgsSacramentoWest North CentralSan JoseIowaKansas CityMidwestAlbuquerqueJacksonvilleUnited States of AmericaUnited StatesClevelandLouisvilleVirginia BeachVirginia BchColumbus950100-3B.G. 950100-3Midland Community School DistrictMidlandJackson CountyJacksonPhiladelphiaChicagoRaleighTucsonLos AngelesNashville-DavidsonAustinMonmouthNew YorkBaltimoreDenverSan DiegoOaklandMinneapolisAtlantaZIP Code 52309ZIP 52309PortlandMiami950100Tract 950100WashingtonBostonSeattleSan Francisco29.163869%29.163869%29.2%149,846150k128.577574%28.577574%28.6%233,173233k227.481425%27.481425%27.5%186,340186k326.837431%26.837431%26.8%417,409417k426.475933%26.475933%26.5%158,504159k526.113118%26.113118%26.1%100,248100k625.967894%25.967894%26.0%100,764101k725.770022%25.770022%25.8%159,778160k825.703473%25.703473%25.7%369,965370k925.650464%25.650464%25.7%327,924328k1025.319180%25.319180%25.3%567,297567k1125.310548%25.310548%25.3%166,001166k1225.218343%25.218343%25.2%172,353172k1325.047396%25.047396%25.0%110,978111k1424.805415%24.805415%24.8%210,021210k1524.623036%24.623036%24.6%98,46998.5k1624.548193%24.548193%24.5%16324.540635%24.540635%24.5%198,493198k1724.297490%24.297490%24.3%114,309114k1824.070388%24.070388%24.1%113,081113k1923.976553%23.976553%24.0%147,047147k2023.968990%23.968990%24.0%107,563108k2123.750232%23.750232%23.8%115,077115k2223.689691%23.689691%23.7%4,971,0164.97M23.475697%23.475697%23.5%236,955237k2323.418418%23.418418%23.4%727,514728k23.365136%23.365136%23.4%110,229110k2423.217458%23.217458%23.2%15,712,75815.7M23.208388%23.208388%23.2%129,238129k2523.157634%23.157634%23.2%198,372198k2623.108006%23.108006%23.1%73,612,43873.6M22.998471%22.998471%23.0%89,50289.5k2722.928906%22.928906%22.9%140,227140k2822.855339%22.855339%22.9%102,788103k2922.726089%22.726089%22.7%190,226190k3022.670807%22.670807%22.7%14622.390572%22.390572%22.4%79822.300169%22.300169%22.3%4,35522.168125%22.168125%22.2%345,809346k3121.913385%21.913385%21.9%594,733595k3221.865242%21.865242%21.9%96,49796.5k3321.726884%21.726884%21.7%114,628115k3421.605988%21.605988%21.6%846,711847k3521.537938%21.537938%21.5%138,655139k3621.399702%21.399702%21.4%194,262194k3721.301775%21.301775%21.3%3621.199117%21.199117%21.2%1,793,8611.79M3821.123671%21.123671%21.1%131,178131k3920.705017%20.705017%20.7%137,337137k4020.651042%20.651042%20.7%283,913284k4120.390011%20.390011%20.4%84,01584.0k4219.962439%19.962439%20.0%80,78280.8k4318.722638%18.722638%18.7%85,44685.4k4418.695652%18.695652%18.7%8618.415892%18.415892%18.4%114,287114k4517.996773%17.996773%18.0%77,85877.9k4617.572016%17.572016%17.6%42717.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4815.290895%15.290895%15.3%102,273102k4913.481174%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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