Age and Sex in Tract 001900, Black Hawk County, Iowa (Tract)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the tracts in Black Hawk County.
Scope: population of Black Hawk County, Tract 001900, and other tracts in Black Hawk County
Tract 001900
Black Hawk County
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+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4592.881%2.88%351.709%1.71%331.611%1.61%1215.908%5.91%773.760%3.76%401.953%1.95%1065.176%5.18%582.832%2.83%1678.154%8.15%1406.836%6.84%1346.543%6.54%1366.641%6.64%1105.371%5.37%1004.883%4.88%964.688%4.69%1286.250%6.25%110.537%0.54%381.855%1.86%552.686%2.69%291.416%1.42%1416.885%6.88%1014.932%4.93%1336.494%6.49%
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 Black Hawk County and Tract 001900
Female Male
Black Hawk County
Tract 001900
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.212945%-0.069173%-0.180109%-0.051469%-0.282118%0.28%0.212945%0.180109%0.212945%0.21%36517.822%17.8%-0.654297%-0.138672%-0.570151%-0.015178%-0.792969%0.79%0.654297%0.570151%0.654297%0.65%74136.182%36.2%-0.523546%-0.685342%-0.523546%0.52%0.523546%0.130208%0.685342%0.054878%0.653754%0.65%43421.191%21.2%-0.598145%-0.073242%-0.972926%-0.321297%-0.671387%0.67%0.598145%0.972926%0.598145%0.60%1045.078%5.08%-0.439453%-0.585667%-0.439453%0.44%0.439453%0.217014%0.585667%0.026644%0.656467%0.66%40419.727%19.7%
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 Black Hawk County and Tract 001900
Female Male
Black Hawk County
Tract 001900
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.027466%-0.125122%-0.045456%-0.054585%-0.152588%0.2%0.027466%0.045456%0.027466%0.0%592.881%2.88%-0.117188%-0.154494%-0.052401%-0.117188%0.1%0.117188%0.107422%0.154494%0.224609%0.2%351.709%1.71%-0.107422%-0.107422%-0.245744%-0.071374%-0.214844%0.2%0.107422%0.245744%0.107422%0.1%331.611%1.61%-0.507813%-0.166016%-0.301458%-0.034332%-0.673828%0.7%0.507813%0.301458%0.507813%0.5%1215.908%5.91%-0.569661%-0.402045%-0.569661%0.6%0.569661%0.113932%0.402045%0.054208%0.683594%0.7%773.760%3.76%-0.488281%-0.439690%-0.175801%-0.488281%0.5%0.488281%0.000000%0.439690%0.488281%0.5%401.953%1.95%-0.699870%-0.325521%-0.558396%-0.055212%-1.025391%1.0%0.699870%0.558396%0.699870%0.7%1065.176%5.18%-0.659180%-0.630924%-0.010164%-0.659180%0.7%0.659180%0.097656%0.630924%0.756836%0.8%582.832%2.83%-0.810547%-0.009766%-0.626708%-0.045475%-0.820313%0.8%0.810547%0.626708%0.810547%0.8%1678.154%8.15%-0.566406%-0.589515%-0.025147%-0.566406%0.6%0.566406%0.234375%0.589515%0.800781%0.8%1406.836%6.84%-0.517578%-0.273438%-0.525068%-0.791016%0.8%0.517578%0.525068%0.020328%0.517578%0.5%1346.543%6.54%-0.419922%-0.488281%-0.490133%-0.908203%0.9%0.419922%0.490133%0.011595%0.419922%0.4%1366.641%6.64%-0.332031%-0.603368%-0.332031%0.3%0.332031%0.410156%0.603368%0.001205%0.742188%0.7%1105.371%5.37%-0.263672%-0.449219%-0.615264%-0.712891%0.7%0.263672%0.615264%0.014907%0.263672%0.3%1004.883%4.88%-0.449219%-0.039063%-0.645229%-0.488281%0.5%0.449219%0.645229%0.056316%0.449219%0.4%964.688%4.69%-0.585938%-1.005614%-0.585938%0.6%0.585938%0.911458%1.005614%0.208551%1.497396%1.5%1286.250%6.25%-0.000000%-0.537109%-1.041251%-0.268783%-0.537109%0.5%0.000000%1.041251%0.000000%0.0%110.537%0.54%-0.000000%-1.855469%-1.157197%-0.557141%-1.855469%1.9%0.000000%1.157197%0.000000%0.0%381.855%1.86%-0.146484%-0.846628%-0.229632%-0.146484%0.1%0.146484%1.049805%0.846628%1.196289%1.2%552.686%2.69%-0.227865%-0.016276%-0.544844%-0.046177%-0.244141%0.2%0.227865%0.544844%0.227865%0.2%291.416%1.42%-0.498047%-0.548407%-0.498047%0.5%0.498047%0.380859%0.548407%0.059479%0.878906%0.9%1416.885%6.88%-0.361328%-0.585751%-0.361328%0.4%0.361328%0.263672%0.585751%0.032224%0.625000%0.6%1014.932%4.93%-0.576172%-0.619631%-0.576172%0.6%0.576172%0.146484%0.619631%0.031923%0.722656%0.7%1336.494%6.49%
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 Black Hawk County and Tract 001900
More Females More Males
Black Hawk County
Tract 001900
1,000%500%0%500%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-455.555556%-120.082816%-455.555556%455.6%0.1800.1884.746%84.7%15.254%15.3%-33.918129%91.666667%91.666667%91.7%1.9171.9234.286%34.3%65.714%65.7%-100.000000%-29.044118%-100.000000%100.0%0.5000.5066.667%66.7%33.333%33.3%-32.692308%-11.388611%-32.692308%32.7%0.7540.7557.025%57.0%42.975%43.0%20.000000%13.483146%20.000000%20.0%1.2001.2045.455%45.5%54.545%54.5%0.000000%-39.982877%0.000000%0.0%1.0001.0050.000%50.0%50.000%50.0%-46.511628%-9.887640%-46.511628%46.5%0.6830.6859.434%59.4%40.566%40.6%-1.610979%14.814815%14.814815%14.8%1.1481.1546.552%46.6%53.448%53.4%-1.204819%-7.256127%-1.204819%1.2%0.9880.9950.299%50.3%49.701%49.7%-4.265645%41.379310%41.379310%41.4%1.4141.4141.429%41.4%58.571%58.6%-52.830189%-52.830189%52.8%3.871523%0.6540.6560.448%60.4%39.552%39.6%-116.279070%-116.279070%116.3%2.365591%0.4620.4668.382%68.4%31.618%31.6%123.529412%0.199651%123.529412%123.5%2.2352.2430.909%30.9%69.091%69.1%-170.370370%-170.370370%170.4%2.422907%0.3700.3773.000%73.0%27.000%27.0%-8.695652%-8.695652%8.7%8.728121%0.9200.9252.083%52.1%47.917%47.9%155.555556%20.738707%155.555556%155.6%2.5562.5628.125%28.1%71.875%71.9%-1,000.000000%-25.813449%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-1,000.000000%-48.145738%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-27.123166%716.666667%716.666667%716.7%8.1678.1710.909%10.9%89.091%89.1%-7.142857%-8.475357%-7.142857%7.1%0.9330.9351.724%51.7%48.276%48.3%76.470588%10.845689%76.470588%76.5%1.7651.7636.170%36.2%63.830%63.8%72.972973%5.501285%72.972973%73.0%1.7301.7336.634%36.6%63.366%63.4%25.423729%5.151883%25.423729%25.4%1.2541.2544.361%44.4%55.639%55.6%
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 Tract 001900

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
15.6%17.2%18.7%20.3%21.9%23.5%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
2.7%4.1%5.4%6.7%8.1%9.4%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
4.7%7.8%10.9%13.9%17.0%20.1%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
9.0%9.8%10.5%11.2%11.9%12.7%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
10.2%11.2%12.2%13.1%14.1%15.1%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
11.1%13.1%15.1%17.1%19.0%21.0%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
7.2%9.2%11.2%13.1%15.1%17.1%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
4.3%5.5%6.7%8.0%9.2%10.4%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
2.1%3.0%3.9%4.8%5.7%6.6%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in Tract 001900

Children Age Cohorts by Block#14

Percentage of population aged 0 to 17 (%):
0%13%25%38%51%64%

College Age Cohorts by Block#15

Percentage of population aged 18 to 21 (%):
0.0%3.0%5.9%8.9%11.9%14.9%

20s Age Cohorts by Block#16

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

30s Age Cohorts by Block#17

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

40s Age Cohorts by Block#18

Percentage of population aged 40 to 49 (%):
0%20%40%60%80%100%

50s Age Cohorts by Block#19

Percentage of population aged 50 to 59 (%):
0%12%24%36%48%61%

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%7%13%20%27%34%

80+ Age Cohorts by Block#22

Percentage of population aged 80 and older (%):
0%7%13%20%27%34%
Road Data ©OpenStreetMap

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Age Cohorts by Tract in Black Hawk County

There are 38 tracts in Black Hawk County. This section compares Tract 001900 to all of the tracts in Black Hawk County and to those entities that contain or substantially overlap with Tract 001900.

Children by Tract#23

Percentage of population aged 0 to 17 (%):
Scope: population of Tract 001900, selected other tracts in Black Hawk County, and entities that contain Tract 001900
0%10%20%30%Count#000700Tract 000700000500Tract 000500001800Tract 001800000200Tract 000200002800Tract 002800001100Tract 001100000800Tract 000800001400Tract 001400001701Tract 001701001000Tract 001000000300Tract 000300002902Tract 002902001302Tract 001302002500Tract 002500001501Tract 001501001502Tract 001502000400Tract 000400West North CentralIowaMidwestUnited States of AmericaUnited StatesWaterloo Community School DistrictWaterlooWaterloo and Cedar Falls Metro AreaWaterloo Area002400Tract 002400Black Hawk CountyBlack Hawk002603Tract 002603001600Tract 001600003002Tract 003002003001Tract 003001002700Tract 002700001900Tract 001900002601Tract 002601002604Tract 002604002000Tract 002000001702Tract 001702002901Tract 002901001301Tract 001301000900Tract 000900001200Tract 001200002304Tract 002304000100Tract 000100002200Tract 002200002301Tract 002301001503Tract 001503002303Tract 00230334.423408%34.423408%34.4%600133.644860%33.644860%33.6%684231.729598%31.729598%31.7%521331.636477%31.636477%31.6%1,013430.024814%30.024814%30.0%968528.492348%28.492348%28.5%875627.631928%27.631928%27.6%1,042727.302488%27.302488%27.3%1,251826.702335%26.702335%26.7%549925.596891%25.596891%25.6%9221025.381553%25.381553%25.4%7651125.339708%25.339708%25.3%1,0071225.192308%25.192308%25.2%1,0481325.187790%25.187790%25.2%1,5761424.530551%24.530551%24.5%8231524.498671%24.498671%24.5%1,0141623.922830%23.922830%23.9%3721723.689691%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%73,612,43873.6M23.045305%23.045305%23.0%17,77317.8k21.775376%21.775376%21.8%36,98737.0k21.583290%21.583290%21.6%8371821.563608%21.563608%21.6%28,64128.6k21.485066%21.485066%21.5%2,3091921.146173%21.146173%21.1%5832020.649282%20.649282%20.6%7762120.346598%20.346598%20.3%9512220.000000%20.000000%20.0%7962319.726563%19.726563%19.7%4042419.707875%19.707875%19.7%9312518.883040%18.883040%18.9%8252618.877362%18.877362%18.9%1,0192718.707770%18.707770%18.7%4432818.077803%18.077803%18.1%2372917.373320%17.373320%17.4%6723017.342968%17.342968%17.3%3123117.275892%17.275892%17.3%3973216.545842%16.545842%16.5%3883314.531044%14.531044%14.5%2203414.437415%14.437415%14.4%6393514.279476%14.279476%14.3%3273613.572543%13.572543%13.6%522370.456078%0.456078%0.5%2338
Count number of children
# rank of tract out of 38 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

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State:
Iowa
County:
Black Hawk
Metro Area:
Waterloo Area
City:
Waterloo
Township:
East Waterloo
ZIP Codes:
50703, 50707
Unified School District:
Waterloo
Congressional District:
IA-1
State Senate Districts:
IA-31, IA-32
State House Districts:
IA-62, IA-63
Block Groups:
Block Group 001900-1, Block Group 001900-2, Block Group 001900-3
Neighboring Tracts:
Tract 000100, Tract 000700, Tract 000800, Tract 001701, Tract 001702, Tract 001800, Tract 002700