Age and Sex in Buffalo Center, 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, Buffalo Center, and other places in Iowa
Buffalo Center
Iowa
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4677.967%7.97%465.470%5.47%698.205%8.20%333.924%3.92%242.854%2.85%232.735%2.73%445.232%5.23%293.448%3.45%313.686%3.69%435.113%5.11%435.113%5.11%708.323%8.32%516.064%6.06%475.589%5.59%263.092%3.09%161.902%1.90%00.000%0%10.119%0.12%20.238%0.24%344.043%4.04%465.470%5.47%597.015%7.02%374.400%4.40%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Buffalo Center
Female Male
Iowa
Buffalo Center
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.340203%-0.184965%-0.192490%-0.053856%-0.525168%0.53%0.340203%0.192490%0.340203%0.34%26231.153%31.2%-0.565993%-0.638182%-0.565993%0.57%0.565993%0.104637%0.638182%0.001353%0.670630%0.67%26030.916%30.9%-0.402959%-0.619125%-0.402959%0.40%0.402959%0.118906%0.619125%0.025145%0.521866%0.52%14016.647%16.6%-0.029727%-0.029727%-0.735381%-0.059453%0.06%0.029727%0.735381%0.054111%0.029727%0.03%30.357%0.36%-0.475624%-0.634612%-0.475624%0.48%0.475624%0.211389%0.634612%0.031800%0.687013%0.69%17620.927%20.9%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Iowa and Buffalo Center
Female Male
Iowa
Buffalo Center
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.118906%-0.260107%-0.051411%-0.053545%-0.379013%0.38%0.118906%0.051411%0.118906%0.12%677.967%7.97%-0.428062%-0.174468%-0.075066%-0.428062%0.43%0.428062%0.237812%0.174468%0.665874%0.67%465.470%5.47%-0.689655%-0.261593%-0.248144%-0.065989%-0.951249%0.95%0.689655%0.248144%0.689655%0.69%698.205%8.20%-0.285375%-0.214031%-0.334521%-0.038389%-0.499405%0.50%0.285375%0.334521%0.285375%0.29%333.924%3.92%-0.237812%-0.475624%-0.424367%-0.036879%-0.713436%0.71%0.237812%0.424367%0.237812%0.24%242.854%2.85%-0.653983%-0.524144%-0.037115%-0.653983%0.65%0.653983%0.059453%0.524144%0.713436%0.71%232.735%2.73%-0.753072%-0.595229%-0.000536%-0.753072%0.75%0.753072%0.237812%0.595229%0.990884%0.99%445.232%5.23%-0.832342%-0.059453%-0.663219%-0.010462%-0.891795%0.89%0.832342%0.663219%0.832342%0.83%293.448%3.45%-0.309156%-0.675983%-0.012541%-0.309156%0.31%0.309156%0.118906%0.675983%0.428062%0.43%313.686%3.69%-0.285375%-0.451843%-0.690906%-0.006245%-0.737218%0.74%0.285375%0.690906%0.285375%0.29%435.113%5.11%-0.356718%-0.607007%-0.356718%0.36%0.356718%0.309156%0.607007%0.012683%0.665874%0.67%435.113%5.11%-0.618312%-0.571295%-0.618312%0.62%0.618312%0.428062%0.571295%0.017376%1.046373%1.05%708.323%8.32%-0.451843%-0.587487%-0.451843%0.45%0.451843%0.309156%0.587487%0.012483%0.760999%0.76%516.064%6.06%-0.428062%-0.628104%-0.428062%0.43%0.428062%0.261593%0.628104%0.026170%0.689655%0.69%475.589%5.59%-0.285375%-0.047562%-0.601386%-0.332937%0.33%0.285375%0.601386%0.033864%0.285375%0.29%263.092%3.09%-0.237812%-0.158541%-0.686455%-0.396354%0.40%0.237812%0.686455%0.030011%0.237812%0.24%161.902%1.90%-0.000000%-0.733441%0.000000%0.00%0.000000%0.000000%0.733441%0.046900%0.000000%0.00%00.000%0%-0.000000%-0.770169%0.000000%0.00%0.000000%0.118906%0.770169%0.056074%0.118906%0.12%10.119%0.12%-0.000000%-0.118906%-0.718956%-0.118906%0.12%0.000000%0.718956%0.056734%0.000000%0.00%20.238%0.24%-0.396354%-0.640338%-0.396354%0.40%0.396354%0.554895%0.640338%0.030076%0.951249%0.95%344.043%4.04%-0.475624%-0.639003%-0.475624%0.48%0.475624%0.142687%0.639003%0.033033%0.618312%0.62%465.470%5.47%-0.428062%-0.643465%-0.428062%0.43%0.428062%0.546968%0.643465%0.031842%0.975030%0.98%597.015%7.02%-0.309156%-0.261593%-0.617932%-0.570749%0.57%0.309156%0.617932%0.031559%0.309156%0.31%374.400%4.40%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Iowa and Buffalo Center
More Females More Males
Iowa
Buffalo Center
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-2418-1915-1710-145-90-4-218.750000%-104.151992%-218.750000%218.8%0.3140.3176.119%76.1%23.881%23.9%-43.025830%55.555556%55.555556%55.6%1.5561.5639.130%39.1%60.870%60.9%-37.931034%-26.592985%-37.931034%37.9%0.7250.7357.971%58.0%42.029%42.0%-75.000000%-11.475915%-75.000000%75.0%0.5710.5763.636%63.6%36.364%36.4%-200.000000%-8.690265%-200.000000%200.0%0.3330.3375.000%75.0%25.000%25.0%-7.081005%9.090909%9.090909%9.1%1.0911.0947.826%47.8%52.174%52.2%-0.090132%31.578947%31.578947%31.6%1.3161.3243.182%43.2%56.818%56.8%-7.142857%-1.577402%-7.142857%7.1%0.9330.9351.724%51.7%48.276%48.3%-1.855238%38.461538%38.461538%38.5%1.3851.3841.935%41.9%58.065%58.1%-158.333333%-0.903856%-158.333333%158.3%0.3870.3972.093%72.1%27.907%27.9%86.666667%2.089388%86.666667%86.7%1.8671.8734.884%34.9%65.116%65.1%69.230769%3.041504%69.230769%69.2%1.6921.6937.143%37.1%62.857%62.9%68.421053%2.124838%68.421053%68.4%1.6841.6837.255%37.3%62.745%62.7%61.111111%4.166539%61.111111%61.1%1.6111.6138.298%38.3%61.702%61.7%-16.666667%-16.666667%16.7%5.630908%0.8570.8653.846%53.8%46.154%46.2%-66.666667%-66.666667%66.7%4.371952%0.6000.6062.500%62.5%37.500%37.5%-1,000.000000%-1,000.000000%> 1000%7.891202%0.0000100.000%100%0.000%0%140.000000%4.696873%140.000000%140.0%2.4002.4029.412%29.4%70.588%70.6%30.000000%5.169461%30.000000%30.0%1.3001.3043.478%43.5%56.522%56.5%127.777778%4.948524%127.777778%127.8%2.2782.2830.508%30.5%69.492%69.5%-84.615385%-84.615385%84.6%5.107154%0.5420.5464.865%64.9%35.135%35.1%

Map of Age Cohorts by Block in Buffalo Center

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 (%):
0.0%3.6%7.3%10.9%14.5%18.2%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%8%16%24%32%40%

30s Age Cohorts by Block#8

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

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%13%27%40%53%67%

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%20%40%60%80%100%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Winnebago County

There are 7 places in Winnebago County. This section compares Buffalo Center to all of the places in Winnebago County and to those entities that contain or substantially overlap with Buffalo Center.

Children by Place#14

Percentage of population aged 0 to 17 (%):
Scope: population of Buffalo Center, selected other places in Winnebago County, and entities that contain Buffalo Center
0%5%10%15%20%25%Count#RakeLelandWest North CentralIowaMidwestUnited States of AmericaUnited StatesForest City680200Tract 680200Lake MillsNorth Iowa Community School DistrictNorth IowaWinnebago CountyWinnebagoScarvilleBuffalo CenterBuffalo CtrThompson680200-3B.G. 680200-3Buffalo TownshipBuffaloZIP Code 50424ZIP 5042425.000000%25.000000%25.0%46124.291498%24.291498%24.3%60223.689691%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%73,612,43873.6M22.681177%22.681177%22.7%917322.474747%22.474747%22.5%62321.706956%21.706956%21.7%440421.670935%21.670935%21.7%67721.502836%21.502836%21.5%2,27521.212121%21.212121%21.2%14520.927467%20.927467%20.9%176619.957082%19.957082%20.0%93719.956850%19.956850%20.0%18519.427403%19.427403%19.4%19017.185290%17.185290%17.2%243

Age Cohorts by Place in Iowa

There are 1,008 places in Iowa. This section compares Buffalo Center to the 50 most populous places in Iowa and to those entities that contain or substantially overlap with Buffalo Center. 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 Buffalo Center, selected other places in Iowa, and entities that contain Buffalo Center
0%10%20%30%Count#GrimesWaukeeDenisonPerryNorth LibertyAltoonaAnkenyNorwalkStorm LakeCliveJohnstonMarshalltownMuscatineMarionSioux CityBettendorfUrbandaleDes MoinesLe MarsIndianolaKeokukCarrollBurlingtonWaterlooWest North CentralDavenportSpencerPleasant HillIowaCrestonCouncil BluffsOttumwaMidwestNewtonUnited States of AmericaUnited StatesCedar RapidsPellaCoralville680200Tract 680200OskaloosaWest Des MoinesW Des MoinesMount PleasantMt PleasantNorth Iowa Community School DistrictNorth IowaWinnebago CountyWinnebagoClintonBooneFort MadisonMason CityFort DodgeBuffalo CenterBuffalo CtrDubuqueWaverly680200-3B.G. 680200-3Buffalo TownshipBuffaloGrinnellFairfieldCedar FallsZIP Code 50424ZIP 50424Iowa 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%4,5343422.474747%22.474747%22.5%62322.352227%22.352227%22.4%2,5793522.340322%22.340322%22.3%13,76713.8k3621.705335%21.705335%21.7%1,8433721.670935%21.670935%21.7%67721.502836%21.502836%21.5%2,27521.500688%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%5,1754220.927467%20.927467%20.9%17620.761937%20.761937%20.8%12,15312.2k4320.549308%20.549308%20.5%2,0654419.956850%19.956850%20.0%18519.427403%19.427403%19.4%19019.304214%19.304214%19.3%1,7594519.201368%19.201368%19.2%1,9094617.796610%17.796610%17.8%7,2664717.185290%17.185290%17.2%24315.598536%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 Buffalo Center to the 50 most populous places in the Midwest and to those entities that contain or substantially overlap with Buffalo Center. 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 Buffalo Center, selected other places in the Midwest, and entities that contain Buffalo Center
0%10%20%30%Count#AuroraDearbornOlatheJolietKansas CityElginSouth BendMilwaukeeNapervilleKenoshaFlintWichitaFort WayneRockfordSt. PaulDetroitPeoriaOmahaDes MoinesIndianapolisSioux FallsGreen BayRochesterGrand RapidsLansingTopekaWest North CentralDavenportIowaKansas CityToledoOverland ParkMidwestUnited States of AmericaUnited StatesClevelandCedar RapidsWarrenColumbusLincolnIndependence680200Tract 680200SpringfieldDaytonCincinnatiChicagoEvansvilleNorth Iowa Community School DistrictNorth IowaAkronWinnebago CountyWinnebagoBuffalo CenterBuffalo CtrSt. LouisSterling HeightsSterling HtsMinneapolis680200-3B.G. 680200-3FargoBuffalo TownshipBuffaloColumbiaSpringfieldZIP Code 50424ZIP 50424MadisonAnn 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%25,77625.8k2224.207332%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%26,35126.4k3622.474747%22.474747%22.5%62322.468628%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%26,16526.2k4121.670935%21.670935%21.7%67721.641949%21.641949%21.6%42,96143.0k4221.502836%21.502836%21.5%2,27520.927467%20.927467%20.9%17620.242382%20.242382%20.2%63,97264.0k4320.047997%20.047997%20.0%26,39826.4k4419.962439%19.962439%20.0%80,78280.8k4519.956850%19.956850%20.0%18519.917206%19.917206%19.9%23,09423.1k4619.427403%19.427403%19.4%19018.454317%18.454317%18.5%21,62221.6k4718.124235%18.124235%18.1%29,93029.9k4817.185290%17.185290%17.2%24317.137062%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 Buffalo Center to the 50 most populous places in the United States and to those entities that contain or substantially overlap with Buffalo Center. 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 Buffalo Center, selected other places in the United States, and entities that contain Buffalo Center
0%10%20%Count#FresnoFort WorthEl PasoPhoenixMilwaukeeArlingtonWichitaOklahoma CitySan AntonioDallasHoustonMemphisDetroitOmahaIndianapolisTulsaCharlotteMesaLong BeachLas VegasColorado SpringsColorado SpgsSacramentoWest North CentralSan JoseIowaKansas CityMidwestAlbuquerqueJacksonvilleUnited States of AmericaUnited StatesClevelandLouisvilleVirginia BeachVirginia BchColumbus680200Tract 680200PhiladelphiaChicagoRaleighTucsonNorth Iowa Community School DistrictNorth IowaLos AngelesNashville-DavidsonWinnebago CountyWinnebagoAustinNew YorkBaltimoreBuffalo CenterBuffalo CtrDenverSan DiegoOaklandMinneapolis680200-3B.G. 680200-3Buffalo TownshipBuffaloAtlantaPortlandMiamiWashingtonZIP Code 50424ZIP 50424BostonSeattleSan 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%98,46998.5k1624.540635%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%190,226190k3022.474747%22.474747%22.5%62322.168125%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%114,628115k3421.670935%21.670935%21.7%67721.605988%21.605988%21.6%846,711847k3521.537938%21.537938%21.5%138,655139k3621.502836%21.502836%21.5%2,27521.399702%21.399702%21.4%194,262194k3721.199117%21.199117%21.2%1,793,8611.79M3821.123671%21.123671%21.1%131,178131k3920.927467%20.927467%20.9%17620.705017%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%80,78280.8k4319.956850%19.956850%20.0%18519.427403%19.427403%19.4%19018.722638%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%114,685115k4717.185290%17.185290%17.2%24316.549062%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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