Age and Sex in Letts, 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, Letts, and other places in Iowa
Letts
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-471.707%1.71%71.707%1.71%81.951%1.95%245.854%5.85%112.683%2.68%143.415%3.41%112.683%2.68%133.171%3.17%245.854%5.85%215.122%5.12%112.683%2.68%92.195%2.20%379.024%9.02%317.561%7.56%245.854%5.85%204.878%4.88%20.488%0.49%00.000%0%51.220%1.22%327.805%7.80%409.756%9.76%286.829%6.83%317.561%7.56%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Letts
Female Male
Iowa
Letts
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.196477%-0.192490%-0.053856%-0.196477%0.20%0.196477%0.088076%0.192490%0.284553%0.28%7117.317%17.3%-0.400000%-0.068293%-0.638182%-0.468293%0.47%0.400000%0.638182%0.001353%0.400000%0.40%8921.707%21.7%-0.745257%-0.027100%-0.619125%-0.772358%0.77%0.745257%0.619125%0.025145%0.745257%0.75%11227.317%27.3%-0.182927%-0.735381%-0.182927%0.18%0.182927%0.060976%0.735381%0.054111%0.243902%0.24%71.707%1.71%-0.880759%-0.634612%-0.880759%0.88%0.880759%0.013550%0.634612%0.031800%0.894309%0.89%13131.951%32.0%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Letts
Female Male
Iowa
Letts
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.030488%-0.051411%-0.053545%-0.030488%0.03%0.030488%0.045732%0.051411%0.076220%0.08%71.707%1.71%-0.146341%-0.174468%-0.075066%-0.146341%0.15%0.146341%0.048780%0.174468%0.195122%0.20%71.707%1.71%-0.146341%-0.097561%-0.248144%-0.065989%-0.243902%0.24%0.146341%0.248144%0.146341%0.15%81.951%1.95%-0.487805%-0.334521%-0.038389%-0.487805%0.49%0.487805%0.195122%0.334521%0.682927%0.68%245.854%5.85%-0.406504%-0.081301%-0.424367%-0.036879%-0.487805%0.49%0.406504%0.424367%0.406504%0.41%112.683%2.68%-0.365854%-0.524144%-0.037115%-0.365854%0.37%0.365854%0.975610%0.524144%1.341463%1.34%143.415%3.41%-0.325203%-0.243902%-0.595229%-0.000536%-0.569106%0.57%0.325203%0.595229%0.325203%0.33%112.683%2.68%-0.609756%-0.663219%-0.010462%-0.609756%0.61%0.609756%0.365854%0.663219%0.975610%0.98%133.171%3.17%-0.536585%-0.097561%-0.675983%-0.012541%-0.634146%0.63%0.536585%0.675983%0.536585%0.54%245.854%5.85%-0.487805%-0.048780%-0.690906%-0.006245%-0.536585%0.54%0.487805%0.690906%0.487805%0.49%215.122%5.12%-0.195122%-0.146341%-0.607007%-0.341463%0.34%0.195122%0.607007%0.012683%0.195122%0.20%112.683%2.68%-0.195122%-0.048780%-0.571295%-0.243902%0.24%0.195122%0.571295%0.017376%0.195122%0.20%92.195%2.20%-0.780488%-0.243902%-0.587487%-1.024390%1.02%0.780488%0.587487%0.012483%0.780488%0.78%379.024%9.02%-0.634146%-0.243902%-0.628104%-0.878049%0.88%0.634146%0.628104%0.026170%0.634146%0.63%317.561%7.56%-0.585366%-0.601386%-0.585366%0.59%0.585366%0.000000%0.601386%0.033864%0.585366%0.59%245.854%5.85%-0.487805%-0.686455%-0.487805%0.49%0.487805%0.650407%0.686455%0.030011%1.138211%1.14%204.878%4.88%-0.000000%-0.733441%0.000000%0.00%0.000000%0.487805%0.733441%0.046900%0.487805%0.49%20.488%0.49%-0.000000%-0.770169%0.000000%0.00%0.000000%0.000000%0.770169%0.056074%0.000000%0.00%00.000%0%-0.243902%-0.121951%-0.718956%-0.365854%0.37%0.243902%0.718956%0.056734%0.243902%0.24%51.220%1.22%-1.138211%-0.325203%-0.640338%-1.463415%1.46%1.138211%0.640338%0.030076%1.138211%1.14%327.805%7.80%-0.926829%-0.639003%-0.926829%0.93%0.926829%0.097561%0.639003%0.033033%1.024390%1.02%409.756%9.76%-0.634146%-0.097561%-0.643465%-0.731707%0.73%0.634146%0.643465%0.031842%0.634146%0.63%286.829%6.83%-0.634146%-0.617932%-0.634146%0.63%0.634146%0.243902%0.617932%0.031559%0.878049%0.88%317.561%7.56%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Iowa and Letts
More Females More Males
Iowa
Letts
100%0%100%200%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-2418-1915-1710-145-90-4-104.151992%150.000000%150.000000%150.0%2.5002.5028.571%28.6%71.429%71.4%-43.025830%33.333333%33.333333%33.3%1.3331.3342.857%42.9%57.143%57.1%-66.666667%-26.592985%-66.666667%66.7%0.6000.6062.500%62.5%37.500%37.5%-11.475915%40.000000%40.000000%40.0%1.4001.4041.667%41.7%58.333%58.3%-20.000000%-8.690265%-20.000000%20.0%0.8330.8354.545%54.5%45.455%45.5%-7.081005%266.666667%266.666667%266.7%3.6673.6721.429%21.4%78.571%78.6%-75.000000%-0.090132%-75.000000%75.0%0.5710.5763.636%63.6%36.364%36.4%-1.577402%60.000000%60.000000%60.0%1.6001.6038.462%38.5%61.538%61.5%-18.181818%-1.855238%-18.181818%18.2%0.8460.8554.167%54.2%45.833%45.8%-10.000000%-0.903856%-10.000000%10.0%0.9090.9152.381%52.4%47.619%47.6%-75.000000%-75.000000%75.0%2.089388%0.5710.5763.636%63.6%36.364%36.4%-25.000000%-25.000000%25.0%3.041504%0.8000.8055.556%55.6%44.444%44.4%-31.250000%-31.250000%31.3%2.124838%0.7620.7656.757%56.8%43.243%43.2%-38.461538%-38.461538%38.5%4.166539%0.7220.7258.065%58.1%41.935%41.9%0.000000%0.000000%0.0%5.630908%1.0001.0050.000%50.0%50.000%50.0%133.333333%4.371952%133.333333%133.3%2.3332.3330.000%30.0%70.000%70.0%-50.000000%-50.000000%50.0%7.891202%0.6670.6760.000%60.0%40.000%40.0%-28.571429%-28.571429%28.6%4.696873%0.7780.7856.250%56.3%43.750%43.8%10.526316%5.169461%10.526316%10.5%1.1051.1147.500%47.5%52.500%52.5%-15.384615%-15.384615%15.4%4.948524%0.8670.8753.571%53.6%46.429%46.4%38.461538%5.107154%38.461538%38.5%1.3851.3841.935%41.9%58.065%58.1%

Map of Age Cohorts by Block in Letts

Children Age Cohorts by Block#5

Percentage of population aged 0 to 17 (%):
0%10%20%30%40%50%

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0%8%16%24%32%40%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%7%13%20%27%34%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0%11%23%34%46%58%

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%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%8%16%24%32%40%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0%20%40%60%80%100%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Louisa County

There are 9 places in Louisa County. This section compares Letts to all of the places in Louisa County and to those entities that contain or substantially overlap with Letts.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Letts, selected other places in Louisa County, and entities that contain Letts
0%10%20%30%Count#FredoniaLettsOakvilleColumbus JunctionColumbus JctLouisa-Muscatine Community School DistrictLouisa-MuscatineMorning SunGrandview TownshipGrandview450100-1B.G. 450100-1WapelloLouisa CountyLouisaWest North CentralCotterIowaMidwestUnited States of AmericaUnited StatesGrandview450100Tract 450100ZIP Code 52754ZIP 52754Columbus City32.907348%32.907348%32.9%103131.951220%31.951220%32.0%131231.210191%31.210191%31.2%49327.732611%27.732611%27.7%614426.942774%26.942774%26.9%1,21026.490066%26.490066%26.5%240525.397924%25.397924%25.4%36725.136986%25.136986%25.1%36723.985432%23.985432%24.0%461623.731224%23.731224%23.7%2,67023.689691%23.689691%23.7%4,971,0164.97M23.684211%23.684211%23.7%9723.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M22.939866%22.939866%22.9%103821.612466%21.612466%21.6%63821.033479%21.033479%21.0%28921.029083%21.029083%21.0%949

Age Cohorts by Place in Iowa

There are 1,008 places in Iowa. This section compares Letts to the 50 most populous places in Iowa and to those entities that contain or substantially overlap with Letts. 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 Letts, selected other places in Iowa, and entities that contain Letts
0%10%20%30%Count#GrimesLettsWaukeeDenisonPerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveJohnstonLouisa-Muscatine Community School DistrictLouisa-MuscatineMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleGrandview TownshipGrandview450100-1B.G. 450100-1Des MoinesLe MarsIndianolaKeokukCarrollBurlingtonLouisa CountyLouisaWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPellaCoralvilleOskaloosaWest Des MoinesW Des MoinesMount PleasantMt Pleasant450100Tract 450100ClintonBooneFort MadisonMason CityZIP Code 52754ZIP 52754Fort DodgeDubuqueWaverlyGrinnellFairfieldCedar FallsIowa CityAmesDecorah32.431395%32.431395%32.4%3,380131.951220%31.951220%32.0%13131.772339%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%5,2711126.942774%26.942774%26.9%1,21026.091833%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%10,57210.6k1725.397924%25.397924%25.4%36725.136986%25.136986%25.1%36724.908508%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%6,0672323.731224%23.731224%23.7%2,67023.725441%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%1,8433721.612466%21.612466%21.6%63821.500688%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%5,7984121.033479%21.033479%21.0%28921.014375%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 Place in the Midwest

There are 9,721 places in the Midwest. This section compares Letts to the 50 most populous places in the Midwest and to those entities that contain or substantially overlap with Letts. 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 Letts, selected other places in the Midwest, and entities that contain Letts
0%10%20%30%Count#LettsAuroraDearbornOlatheJolietKansas CityElginSouth BendLouisa-Muscatine Community School DistrictLouisa-MuscatineMilwaukeeNapervilleKenoshaFlintWichitaFort WayneRockfordGrandview TownshipGrandviewSt. PaulDetroit450100-1B.G. 450100-1PeoriaOmahaDes MoinesIndianapolisSioux FallsGreen BayRochesterGrand RapidsLansingLouisa CountyLouisaTopekaWest North CentralDavenportIowaKansas CityToledoOverland ParkMidwestUnited States of AmericaUnited StatesClevelandCedar RapidsWarrenColumbusLincolnIndependenceSpringfieldDaytonCincinnatiChicagoEvansvilleAkron450100Tract 450100ZIP Code 52754ZIP 52754St. LouisSterling HeightsSterling HtsMinneapolisFargoColumbiaSpringfieldMadisonAnn Arbor31.951220%31.951220%32.0%13130.107463%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%28,12328.1k726.942774%26.942774%26.9%1,21026.475933%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%38,15738.2k1425.397924%25.397924%25.4%36725.318684%25.318684%25.3%75,23775.2k1525.218343%25.218343%25.2%172,353172k1625.136986%25.136986%25.1%36725.069403%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%25,77625.8k2224.207332%24.207332%24.2%26,96627.0k2323.914961%23.914961%23.9%46,36846.4k2423.889765%23.889765%23.9%27,41927.4k2523.731224%23.731224%23.7%2,67023.720503%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%42,96143.0k4221.612466%21.612466%21.6%63821.033479%21.033479%21.0%28920.242382%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%23,09423.1k4618.454317%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%16,37016.4k50

Age Cohorts by Place in the United States

There are 29,322 places in the United States. This section compares Letts to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Letts. 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 Letts, selected other places in the United States, and entities that contain Letts
0%10%20%30%Count#LettsFresnoFort WorthEl PasoLouisa-Muscatine Community School DistrictLouisa-MuscatinePhoenixMilwaukeeArlingtonWichitaOklahoma CitySan AntonioDallasGrandview TownshipGrandviewHoustonMemphisDetroit450100-1B.G. 450100-1OmahaIndianapolisTulsaCharlotteMesaLong BeachLas VegasColorado SpringsColorado SpgsSacramentoLouisa CountyLouisaWest North CentralSan JoseIowaKansas CityMidwestAlbuquerqueJacksonvilleUnited States of AmericaUnited StatesClevelandLouisvilleVirginia BeachVirginia BchColumbusPhiladelphiaChicagoRaleighTucson450100Tract 450100Los AngelesNashville-DavidsonAustinNew YorkBaltimoreZIP Code 52754ZIP 52754DenverSan DiegoOaklandMinneapolisAtlantaPortlandMiamiWashingtonBostonSeattleSan Francisco31.951220%31.951220%32.0%13129.163869%29.163869%29.2%149,846150k128.577574%28.577574%28.6%233,173233k227.481425%27.481425%27.5%186,340186k326.942774%26.942774%26.9%1,21026.837431%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%327,924328k1025.397924%25.397924%25.4%36725.319180%25.319180%25.3%567,297567k1125.310548%25.310548%25.3%166,001166k1225.218343%25.218343%25.2%172,353172k1325.136986%25.136986%25.1%36725.047396%25.047396%25.0%110,978111k1424.805415%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%114,309114k1824.070388%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%115,077115k2223.731224%23.731224%23.7%2,67023.689691%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%114,628115k3421.612466%21.612466%21.6%63821.605988%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%131,178131k3921.033479%21.033479%21.0%28920.705017%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%85,44685.4k4418.415892%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%114,628115k50

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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