Age and Sex in Green Mountain, Iowa (Unincorporated Place)

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, Green Mountain, and other places in Iowa
Green Mountain
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0%1%2%3%4%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-432.500%2.50%43.333%3.33%43.333%3.33%43.333%3.33%32.500%2.50%108.333%8.33%119.167%9.17%65.000%5.00%21.667%1.67%1310.833%10.8%21.667%1.67%32.500%2.50%43.333%3.33%1411.667%11.7%86.667%6.67%00.000%0%00.000%0%00.000%0%00.000%0%00.000%0%43.333%3.33%1210.000%10.0%1310.833%10.8%
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 Iowa and Green Mountain
Female Male
Iowa
Green Mountain
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.254630%-0.192490%-0.053856%-0.254630%0.25%0.254630%0.138889%0.192490%0.393519%0.39%2823.333%23.3%-0.433333%-0.638182%-0.433333%0.43%0.433333%0.366667%0.638182%0.001353%0.800000%0.80%3730.833%30.8%-0.509259%-0.619125%-0.509259%0.51%0.509259%0.185185%0.619125%0.025145%0.694444%0.69%2621.667%21.7%-0.000000%-0.735381%0.000000%0.00%0.000000%0.000000%0.735381%0.054111%0.000000%0.00%00.000%0%-0.601852%-0.138889%-0.634612%-0.740741%0.74%0.601852%0.634612%0.031800%0.601852%0.60%2924.167%24.2%
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 Iowa and Green Mountain
Female Male
Iowa
Green Mountain
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.051411%-0.053545%0.000000%0.0%0.000000%0.156250%0.051411%0.156250%0.2%32.500%2.50%-0.000000%-0.174468%-0.075066%0.000000%0.0%0.000000%0.666667%0.174468%0.666667%0.7%43.333%3.33%-0.000000%-0.248144%-0.065989%0.000000%0.0%0.000000%0.666667%0.248144%0.666667%0.7%43.333%3.33%-0.000000%-0.666667%-0.334521%-0.038389%-0.666667%0.7%0.000000%0.334521%0.000000%0.0%43.333%3.33%-0.000000%-0.424367%-0.036879%0.000000%0.0%0.000000%0.833333%0.424367%0.833333%0.8%32.500%2.50%-1.250000%-1.666667%-0.524144%-0.037115%-2.916667%2.9%1.250000%0.524144%1.250000%1.3%108.333%8.33%-1.111111%-0.595229%-0.000536%-1.111111%1.1%1.111111%0.833333%0.595229%1.944444%1.9%119.167%9.17%-1.250000%-0.663219%-0.010462%-1.250000%1.3%1.250000%0.000000%0.663219%1.250000%1.3%65.000%5.00%-0.000000%-0.333333%-0.675983%-0.012541%-0.333333%0.3%0.000000%0.675983%0.000000%0.0%21.667%1.67%-0.333333%-0.690906%-0.006245%-0.333333%0.3%0.333333%1.500000%0.690906%1.833333%1.8%1310.833%10.8%-0.000000%-0.333333%-0.607007%-0.333333%0.3%0.000000%0.607007%0.012683%0.000000%0.0%21.667%1.67%-0.000000%-0.571295%0.000000%0.0%0.000000%0.500000%0.571295%0.017376%0.500000%0.5%32.500%2.50%-0.000000%-0.587487%0.000000%0.0%0.000000%0.666667%0.587487%0.012483%0.666667%0.7%43.333%3.33%-0.500000%-0.628104%-0.500000%0.5%0.500000%1.333333%0.628104%0.026170%1.833333%1.8%1411.667%11.7%-0.000000%-1.333333%-0.601386%-1.333333%1.3%0.000000%0.601386%0.033864%0.000000%0.0%86.667%6.67%-0.000000%-0.686455%0.000000%0.0%0.000000%0.000000%0.686455%0.030011%0.000000%0.0%00.000%0%-0.000000%-0.733441%0.000000%0.0%0.000000%0.000000%0.733441%0.046900%0.000000%0.0%00.000%0%-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%-0.718956%0.000000%0.0%0.000000%0.000000%0.718956%0.056734%0.000000%0.0%00.000%0%-0.000000%-0.640338%0.000000%0.0%0.000000%0.000000%0.640338%0.030076%0.000000%0.0%00.000%0%-0.000000%-0.666667%-0.639003%-0.666667%0.7%0.000000%0.639003%0.033033%0.000000%0.0%43.333%3.33%-0.833333%-0.643465%-0.833333%0.8%0.833333%0.333333%0.643465%0.031842%1.166667%1.2%1210.000%10.0%-1.000000%-0.166667%-0.617932%-1.166667%1.2%1.000000%0.617932%0.031559%1.000000%1.0%1310.833%10.8%
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 Iowa and Green Mountain
More Females More Males
Iowa
Green Mountain
1,000%500%0%M:FFM70-7465-6662-6460-6155-5950-5445-4930-3425-2910-145-90-4-1,000.000000%-11.475915%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-133.333333%-7.081005%-133.333333%133.3%0.4290.4370.000%70.0%30.000%30.0%-0.090132%75.000000%75.000000%75.0%1.7501.7536.364%36.4%63.636%63.6%0.000000%-1.577402%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%-1,000.000000%-1.855238%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-0.903856%450.000000%450.000000%450.0%5.5005.5015.385%15.4%84.615%84.6%-1,000.000000%-1,000.000000%> 1000%2.089388%0.0000100.000%100%0.000%0%266.666667%4.166539%266.666667%266.7%3.6673.6721.429%21.4%78.571%78.6%-1,000.000000%-1,000.000000%> 1000%5.630908%0.0000100.000%100%0.000%0%-1,000.000000%-1,000.000000%> 1000%5.169461%0.0000100.000%100%0.000%0%40.000000%4.948524%40.000000%40.0%1.4001.4041.667%41.7%58.333%58.3%-16.666667%-16.666667%16.7%5.107154%0.8570.8653.846%53.8%46.154%46.2%
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 Green Mountain

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%9%18%27%36%46%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0.0%2.5%5.0%7.5%10.0%12.5%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0.0%4.4%8.9%13.3%17.8%22.3%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0.0%3.1%6.2%9.2%12.3%15.4%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
0.0%3.6%7.3%10.9%14.5%18.2%

50s Age Cohorts by Block#10

Percentage of population aged 50 to 59 (%):
0%8%15%23%31%39%

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%7%13%20%27%34%
Road Data ©OpenStreetMap

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Age Cohorts by Place in the Marshalltown Area

There are 14 places in the Marshalltown Area. This section compares Green Mountain to all of the places in the Marshalltown Area and to those entities that contain or substantially overlap with Green Mountain.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Green Mountain, selected other places in the Marshalltown Area, and entities that contain Green Mountain
0%10%20%30%40%Count#St. AnthonyLaurelState CenterGilmanMarshalltownLe GrandMarshalltown Metro AreaMarshalltownMarshall CountyMarshallLiscombGreen MountainGrn MtnWest North CentralIowaMelbourneMidwestUnited States of AmericaUnited StatesAlbion950100Tract 950100RhodesGMG Community School DistrictGMGClemonsHaverhillMarion TownshipMarion950100-3B.G. 950100-3Ferguson43.478261%43.478261%43.5%50128.212291%28.212291%28.2%101227.299925%27.299925%27.3%365327.090301%27.090301%27.1%162426.091833%26.091833%26.1%7,211525.829146%25.829146%25.8%257625.003069%25.003069%25.0%10,18510.2k25.003069%25.003069%25.0%10,18510.2k24.398625%24.398625%24.4%71724.166667%24.166667%24.2%29823.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.386114%23.386114%23.4%192923.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.164049%22.164049%22.2%1271020.531807%20.531807%20.5%61019.844358%19.844358%19.8%511119.168734%19.168734%19.2%30918.018018%18.018018%18.0%201217.159763%17.159763%17.2%291312.262774%12.262774%12.3%8411.570248%11.570248%11.6%8410.218978%10.218978%10.2%1414
Count number of children
# rank of place out of 14 by %

Age Cohorts by Place in Iowa

There are 1,008 places in Iowa. This section compares Green Mountain to the 50 most populous places in Iowa and to those entities that contain or substantially overlap with Green Mountain. 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 Green Mountain, selected other places in Iowa, and entities that contain Green Mountain
0%10%20%30%Count#GrimesWaukeeDenisonPerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveJohnstonMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleMarshalltown Metro AreaMarshalltownMarshall CountyMarshallDes MoinesLe MarsIndianolaGreen MountainGrn MtnKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPellaCoralvilleOskaloosaWest Des MoinesW Des MoinesMount PleasantMt PleasantClintonBooneFort MadisonMason CityFort DodgeDubuqueWaverly950100Tract 950100GrinnellFairfieldGMG Community School DistrictGMGCedar FallsIowa CityAmesMarion TownshipMarion950100-3B.G. 950100-3Decorah32.431395%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%10,57210.6k1725.003069%25.003069%25.0%10,18510.2k25.003069%25.003069%25.0%10,18510.2k24.908508%24.908508%24.9%53,02053.0k1824.740484%24.740484%24.7%2,4311924.460666%24.460666%24.5%3,7532024.166667%24.166667%24.2%2923.852089%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%2,0654420.531807%20.531807%20.5%61019.304214%19.304214%19.3%1,7594519.201368%19.201368%19.2%1,9094619.168734%19.168734%19.2%30917.796610%17.796610%17.8%7,2664715.598536%15.598536%15.6%11,29111.3k4812.309397%12.309397%12.3%7,8874912.262774%12.262774%12.3%8411.570248%11.570248%11.6%8410.732624%10.732624%10.7%85750
Count number of children
# rank of place out of 50 by %

Age Cohorts by Place in the Midwest

There are 9,721 places in the Midwest. This section compares Green Mountain to the 50 most populous places in the Midwest and to those entities that contain or substantially overlap with Green Mountain. 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 Green Mountain, selected other places in the Midwest, and entities that contain Green Mountain
0%10%20%30%Count#AuroraDearbornOlatheJolietKansas CityElginSouth BendMilwaukeeNapervilleKenoshaFlintWichitaFort WayneRockfordSt. PaulDetroitPeoriaOmahaMarshalltown Metro AreaMarshalltownMarshall CountyMarshallDes MoinesIndianapolisSioux FallsGreen BayRochesterGreen MountainGrn MtnGrand RapidsLansingTopekaWest North CentralDavenportIowaKansas CityToledoOverland ParkMidwestUnited States of AmericaUnited StatesClevelandCedar RapidsWarrenColumbusLincolnIndependenceSpringfieldDaytonCincinnatiChicagoEvansvilleAkron950100Tract 950100St. LouisSterling HeightsSterling HtsMinneapolisFargoGMG Community School DistrictGMGColumbiaSpringfieldMadisonAnn ArborMarion TownshipMarion950100-3B.G. 950100-330.107463%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%110,978111k1825.003069%25.003069%25.0%10,18510.2k25.003069%25.003069%25.0%10,18510.2k24.908508%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%25,77625.8k2224.207332%24.207332%24.2%26,96627.0k2324.166667%24.166667%24.2%2923.914961%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%190,226190k3422.619388%22.619388%22.6%61,75561.8k3522.480528%22.480528%22.5%26,35126.4k3622.468628%22.468628%22.5%26,23126.2k3722.121536%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%42,96143.0k4220.531807%20.531807%20.5%61020.242382%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%23,09423.1k4619.168734%19.168734%19.2%30918.454317%18.454317%18.5%21,62221.6k4718.124235%18.124235%18.1%29,93029.9k4817.137062%17.137062%17.1%42,16342.2k4913.862661%13.862661%13.9%16,37016.4k5012.262774%12.262774%12.3%8411.570248%11.570248%11.6%84
Count number of children
# rank of place out of 50 by %

Age Cohorts by Place in the United States

There are 29,322 places in the United States. This section compares Green Mountain to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Green Mountain. 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 Green Mountain, selected other places in the United States, and entities that contain Green Mountain
0%10%20%Count#FresnoFort WorthEl PasoPhoenixMilwaukeeArlingtonWichitaOklahoma CitySan AntonioDallasHoustonMemphisDetroitOmahaMarshalltown Metro AreaMarshalltownMarshall CountyMarshallIndianapolisTulsaCharlotteMesaGreen MountainGrn MtnLong BeachLas VegasColorado SpringsColorado SpgsSacramentoWest North CentralSan JoseIowaKansas CityMidwestAlbuquerqueJacksonvilleUnited States of AmericaUnited StatesClevelandLouisvilleVirginia BeachVirginia BchColumbusPhiladelphiaChicagoRaleighTucsonLos AngelesNashville-DavidsonAustinNew YorkBaltimoreDenverSan Diego950100Tract 950100OaklandMinneapolisGMG Community School DistrictGMGAtlantaPortlandMiamiWashingtonBostonSeattleSan FranciscoMarion TownshipMarion950100-3B.G. 950100-329.163869%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%110,978111k1425.003069%25.003069%25.0%10,18510.2k25.003069%25.003069%25.0%10,18510.2k24.805415%24.805415%24.8%210,021210k1524.623036%24.623036%24.6%98,46998.5k1624.540635%24.540635%24.5%198,493198k1724.297490%24.297490%24.3%114,309114k1824.166667%24.166667%24.2%2924.070388%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%190,226190k3022.168125%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%194,262194k3721.199117%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%283,913284k4120.531807%20.531807%20.5%61020.390011%20.390011%20.4%84,01584.0k4219.962439%19.962439%20.0%80,78280.8k4319.168734%19.168734%19.2%30918.722638%18.722638%18.7%85,44685.4k4418.415892%18.415892%18.4%114,287114k4517.996773%17.996773%18.0%77,85877.9k4617.402645%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%114,628115k5012.262774%12.262774%12.3%8411.570248%11.570248%11.6%84
Count number of children
# rank of place 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:
Marshall
Metro Area:
Marshalltown Area
Township:
Marion
ZIP Codes:
50158, 50632
Unified School District:
GMG
Congressional District:
IA-1
State Senate District:
IA-36
State House District:
IA-71
Nearby Cities:
Albion, Beaman, Conrad, Ferguson, Garwin, Gladbrook, Le Grand, Liscomb, Marshalltown, Montour