Age and Sex in Rock Valley, 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, Rock Valley, and other places in Iowa
Rock Valley
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41072.953%2.95%1734.775%4.78%391.076%1.08%431.187%1.19%752.070%2.07%160.442%0.44%922.539%2.54%140.386%0.39%2767.618%7.62%1784.913%4.91%1634.499%4.50%1423.919%3.92%2737.535%7.54%38710.682%10.7%2015.548%5.55%2065.686%5.69%631.739%1.74%170.469%0.47%541.490%1.49%1393.837%3.84%3168.722%8.72%44712.338%12.3%2025.575%5.58%
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 Rock Valley
Female Male
Iowa
Rock Valley
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.134940%-0.077437%-0.192490%-0.053856%-0.212378%0.21%0.134940%0.192490%0.134940%0.13%45312.503%12.5%-0.458184%-0.638182%-0.458184%0.46%0.458184%0.038642%0.638182%0.001353%0.496826%0.50%86523.875%23.9%-0.748306%-0.139541%-0.619125%-0.887846%0.89%0.748306%0.619125%0.025145%0.748306%0.75%1,06729.451%29.5%-0.351918%-0.735381%-0.351918%0.35%0.351918%0.220811%0.735381%0.054111%0.572730%0.57%1343.699%3.70%-0.805042%-0.082804%-0.634612%-0.887846%0.89%0.805042%0.634612%0.031800%0.805042%0.81%1,10430.472%30.5%
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 Rock Valley
Female Male
Iowa
Rock Valley
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.046577%-0.091430%-0.051411%-0.053545%-0.138007%0.14%0.046577%0.051411%0.046577%0.05%1072.953%2.95%-0.264974%-0.425062%-0.174468%-0.075066%-0.690036%0.69%0.264974%0.174468%0.264974%0.26%1734.775%4.78%-0.077284%-0.248144%-0.065989%-0.077284%0.08%0.077284%0.060723%0.248144%0.138007%0.14%391.076%1.08%-0.082804%-0.071764%-0.334521%-0.038389%-0.154568%0.15%0.082804%0.334521%0.082804%0.08%431.187%1.19%-0.128807%-0.424367%-0.036879%-0.128807%0.13%0.128807%0.432422%0.424367%0.561229%0.56%752.070%2.07%-0.000000%-0.220811%-0.524144%-0.037115%-0.220811%0.22%0.000000%0.524144%0.000000%0.00%160.442%0.44%-0.414022%-0.018401%-0.595229%-0.000536%-0.432422%0.43%0.414022%0.595229%0.414022%0.41%922.539%2.54%-0.000000%-0.663219%-0.010462%0.000000%0.00%0.000000%0.193210%0.663219%0.193210%0.19%140.386%0.39%-0.723158%-0.675983%-0.012541%-0.723158%0.72%0.723158%0.077284%0.675983%0.800442%0.80%2767.618%7.62%-0.342258%-0.298096%-0.690906%-0.006245%-0.640353%0.64%0.342258%0.690906%0.342258%0.34%1784.913%4.91%-0.391940%-0.607007%-0.391940%0.39%0.391940%0.115926%0.607007%0.012683%0.507866%0.51%1634.499%4.50%-0.276014%-0.571295%-0.276014%0.28%0.276014%0.231852%0.571295%0.017376%0.507866%0.51%1423.919%3.92%-0.612752%-0.281535%-0.587487%-0.894287%0.89%0.612752%0.587487%0.012483%0.612752%0.61%2737.535%7.54%-0.822523%-0.628104%-0.822523%0.82%0.822523%0.491306%0.628104%0.026170%1.313828%1.31%38710.682%10.7%-0.414022%-0.281535%-0.601386%-0.695556%0.70%0.414022%0.601386%0.033864%0.414022%0.41%2015.548%5.55%-0.588831%-0.717637%-0.686455%-1.306468%1.31%0.588831%0.686455%0.030011%0.588831%0.59%2065.686%5.69%-0.607232%-0.733441%-0.607232%0.61%0.607232%0.524427%0.733441%0.046900%1.131659%1.13%631.739%1.74%-0.000000%-0.770169%0.000000%0.00%0.000000%0.469224%0.770169%0.056074%0.469224%0.47%170.469%0.47%-0.345018%-0.055203%-0.718956%-0.400221%0.40%0.345018%0.718956%0.056734%0.345018%0.35%541.490%1.49%-0.616432%-0.640338%-0.616432%0.62%0.616432%0.046002%0.640338%0.030076%0.662434%0.66%1393.837%3.84%-0.767320%-0.209771%-0.639003%-0.977091%0.98%0.767320%0.639003%0.033033%0.767320%0.77%3168.722%8.72%-0.999172%-0.643465%-0.999172%1.00%0.999172%0.469224%0.643465%0.031842%1.468396%1.47%44712.338%12.3%-0.264974%-0.585150%-0.617932%-0.850124%0.85%0.264974%0.617932%0.031559%0.264974%0.26%2025.575%5.58%
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 Rock Valley
More Females More Males
Iowa
Rock Valley
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6455-5950-5445-4940-4435-3930-3425-2922-242118-1915-1710-145-90-4-196.296296%-104.151992%-196.296296%196.3%0.3380.3474.766%74.8%25.234%25.2%-160.416667%-43.025830%-160.416667%160.4%0.3840.3872.254%72.3%27.746%27.7%-26.592985%78.571429%78.571429%78.6%1.7861.7935.897%35.9%64.103%64.1%-86.666667%-11.475915%-86.666667%86.7%0.5360.5465.116%65.1%34.884%34.9%-8.690265%335.714286%335.714286%335.7%4.3574.3618.667%18.7%81.333%81.3%-1,000.000000%-7.081005%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-4.444444%-0.090132%-4.444444%4.4%0.9570.9651.087%51.1%48.913%48.9%-1.855238%10.687023%10.687023%10.7%1.1071.1147.464%47.5%52.536%52.5%-87.096774%-0.903856%-87.096774%87.1%0.5340.5365.169%65.2%34.831%34.8%29.577465%2.089388%29.577465%29.6%1.2961.3043.558%43.6%56.442%56.4%84.000000%3.041504%84.000000%84.0%1.8401.8435.211%35.2%64.789%64.8%-45.945946%-45.945946%45.9%2.124838%0.6850.6959.341%59.3%40.659%40.7%59.731544%4.166539%59.731544%59.7%1.5971.6038.501%38.5%61.499%61.5%-68.000000%-68.000000%68.0%5.630908%0.5950.6062.687%62.7%37.313%37.3%-121.875000%-121.875000%121.9%4.371952%0.4510.4568.932%68.9%31.068%31.1%86.363636%6.394558%86.363636%86.4%1.8641.8634.921%34.9%65.079%65.1%-16.000000%-16.000000%16.0%7.891202%0.8620.8653.704%53.7%46.296%46.3%7.462687%4.696873%7.462687%7.5%1.0751.0748.201%48.2%51.799%51.8%-27.338129%-27.338129%27.3%5.169461%0.7850.7956.013%56.0%43.987%44.0%46.961326%4.948524%46.961326%47.0%1.4701.4740.492%40.5%59.508%59.5%-220.833333%-220.833333%220.8%5.107154%0.3120.3176.238%76.2%23.762%23.8%
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 Group in Rock Valley

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
23.8%26.3%28.8%31.3%33.7%36.3%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
2.7%3.2%3.7%4.3%4.8%5.4%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
7.2%8.8%10.4%12.0%13.6%15.3%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
12.0%15.4%18.7%22.0%25.4%28.7%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
4.0%6.4%8.7%11.0%13.3%15.6%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
8.9%11.5%14.0%16.6%19.1%21.7%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
1.6%3.6%5.5%7.5%9.4%11.4%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
0.0%1.1%2.3%3.4%4.5%5.7%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
4.1%6.2%8.2%10.3%12.3%14.4%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Rock Valley

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%12%24%36%48%61%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0%6%13%19%25%32%

20s Age Cohorts by Block#16

Percentage of population aged 22 to 29 (%):
0%20%40%60%80%100%

30s Age Cohorts by Block#17

Percentage of population aged 30 to 39 (%):
0%6%12%18%24%31%

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%8%16%24%32%40%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0%10%19%29%38%48%

60s Age Cohorts by Block#20

Percentage of population aged 60 to 69 (%):
0%20%40%60%80%100%

70s Age Cohorts by Block#21

Percentage of population aged 70 to 79 (%):
0%20%40%60%80%100%

80+ Age Cohorts by Block#22

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 Sioux County

There are 14 places in Sioux County. This section compares Rock Valley to all of the places in Sioux County and to those entities that contain or substantially overlap with Rock Valley.

Children by Place#23

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Valley, selected other places in Sioux County, and entities that contain Rock Valley
0%10%20%30%Count#Rock Valley Community School DistrictRock ValleyZIP Code 51247ZIP 51247Rock TownshipRock Valley070300Tract 070300BoydenSioux CountySiouxHullAltonHawardenSioux CenterMauriceIretonHospersWest North CentralIowaMidwestUnited States of AmericaUnited StatesGranvilleOrange CitySheldonMatlockChatsworth33.907831%33.907831%33.9%1,81033.122726%33.122726%33.1%1,73031.634146%31.634146%31.6%1,29730.471985%30.471985%30.5%1,104129.018009%29.018009%29.0%1,70827.581864%27.581864%27.6%219227.044279%27.044279%27.0%9,36326.141659%26.141659%26.1%561325.962264%25.962264%26.0%344425.925926%25.925926%25.9%658525.739484%25.739484%25.7%1,897625.386997%25.386997%25.4%82725.112782%25.112782%25.1%167824.206349%24.206349%24.2%183923.689691%23.689691%23.7%4,971,0164.97M23.418418%23.418418%23.4%727,514728k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M21.823204%21.823204%21.8%791021.647977%21.647977%21.6%1,3321121.316052%21.316052%21.3%1,0691216.901408%16.901408%16.9%121315.853659%15.853659%15.9%1314
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 Rock Valley to the 50 most populous places in Iowa and to those entities that contain or substantially overlap with Rock Valley. The least populous of the compared places has a population of 7,876.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Valley, selected other places in Iowa, and entities that contain Rock Valley
0%10%20%30%Count#Rock Valley Community School DistrictRock ValleyZIP Code 51247ZIP 51247GrimesWaukeeRock TownshipRock ValleyDenison070300Tract 070300PerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveSioux CountySiouxJohnstonMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleDes MoinesLe MarsIndianolaKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPellaCoralvilleOskaloosaWest Des MoinesW Des MoinesMount PleasantMt PleasantClintonBooneFort MadisonMason CityFort DodgeDubuqueWaverlyGrinnellFairfieldCedar FallsIowa CityAmesDecorah33.907831%33.907831%33.9%1,81033.122726%33.122726%33.1%1,73032.431395%32.431395%32.4%3,380131.772339%31.772339%31.8%5,387231.634146%31.634146%31.6%1,29730.471985%30.471985%30.5%1,10430.290656%30.290656%30.3%2,522329.018009%29.018009%29.0%1,70828.504317%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%4,6621027.044279%27.044279%27.0%9,36327.043251%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
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 Rock Valley to the 50 most populous places in the Midwest and to those entities that contain or substantially overlap with Rock Valley. The least populous of the compared places has a population of 95,520.

Children by Place#41

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Valley, selected other places in the Midwest, and entities that contain Rock Valley
0%10%20%30%Count#Rock Valley Community School DistrictRock ValleyZIP Code 51247ZIP 51247Rock TownshipRock ValleyAuroraDearbornOlathe070300Tract 070300JolietKansas CityElginSouth BendSioux CountySiouxMilwaukeeNapervilleKenoshaFlintWichitaFort WayneRockfordSt. PaulDetroitPeoriaOmahaDes MoinesIndianapolisSioux FallsGreen BayRochesterGrand RapidsLansingTopekaWest North CentralDavenportIowaKansas CityToledoOverland ParkMidwestUnited States of AmericaUnited StatesClevelandCedar RapidsWarrenColumbusLincolnIndependenceSpringfieldDaytonCincinnatiChicagoEvansvilleAkronSt. LouisSterling HeightsSterling HtsMinneapolisFargoColumbiaSpringfieldMadisonAnn Arbor33.907831%33.907831%33.9%1,81033.122726%33.122726%33.1%1,73031.634146%31.634146%31.6%1,29730.471985%30.471985%30.5%1,10430.107463%30.107463%30.1%60,48860.5k129.337312%29.337312%29.3%28,02328.0k229.310098%29.310098%29.3%38,92038.9k329.018009%29.018009%29.0%1,70828.547605%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%28,12328.1k727.044279%27.044279%27.0%9,36326.475933%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%25,77625.8k2224.207332%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%190,226190k3422.619388%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%42,96143.0k4220.242382%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
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 Rock Valley to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Rock Valley. The least populous of the compared places has a population of 383,899.

Children by Place#50

Percentage of population aged 0 to 17 (%):
Scope: population of Rock Valley, selected other places in the United States, and entities that contain Rock Valley
0%10%20%30%Count#Rock Valley Community School DistrictRock ValleyZIP Code 51247ZIP 51247Rock TownshipRock ValleyFresno070300Tract 070300Fort WorthEl PasoSioux CountySiouxPhoenixMilwaukeeArlingtonWichitaOklahoma CitySan AntonioDallasHoustonMemphisDetroitOmahaIndianapolisTulsaCharlotteMesaLong BeachLas VegasColorado SpringsColorado SpgsSacramentoWest North CentralSan JoseIowaKansas CityMidwestAlbuquerqueJacksonvilleUnited States of AmericaUnited StatesClevelandLouisvilleVirginia BeachVirginia BchColumbusPhiladelphiaChicagoRaleighTucsonLos AngelesNashville-DavidsonAustinNew YorkBaltimoreDenverSan DiegoOaklandMinneapolisAtlantaPortlandMiamiWashingtonBostonSeattleSan Francisco33.907831%33.907831%33.9%1,81033.122726%33.122726%33.1%1,73031.634146%31.634146%31.6%1,29730.471985%30.471985%30.5%1,10429.163869%29.163869%29.2%149,846150k129.018009%29.018009%29.0%1,70828.577574%28.577574%28.6%233,173233k227.481425%27.481425%27.5%186,340186k327.044279%27.044279%27.0%9,36326.837431%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%98,46998.5k1624.540635%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%190,226190k3022.168125%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%283,913284k4120.390011%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
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.

More Topics to Explore

Demographics

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More Maps to Explore

State:
Iowa
County:
Sioux
Township:
Rock
ZIP Code:
51247
Unified School District:
Rock Valley
Congressional District:
IA-4
State Senate District:
IA-2
State House District:
IA-4
Nearby Cities:
Alvord, Boyden, Canton, Doon, Hull, Inwood, Ireton, Sioux Center
Nearby Towns:
Fairview, Hudson