Age and Sex in the Rochester Township, Sangamon County, Illinois (Township)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Sangamon County.
Scope: population of Sangamon County, the Rochester Township, and other county subdivisions in Sangamon County
Rochester Township
Sangamon County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41212.224%2.22%821.507%1.51%1202.206%2.21%1292.371%2.37%2284.191%4.19%2103.860%3.86%3215.901%5.90%1562.868%2.87%3516.452%6.45%5279.688%9.69%4538.327%8.33%2664.890%4.89%3486.397%6.40%2123.897%3.90%1582.904%2.90%1021.875%1.88%200.368%0.37%410.754%0.75%931.710%1.71%2674.908%4.91%58610.772%10.8%4858.915%8.92%1643.015%3.01%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of Sangamon County and the Rochester Township
Female Male
Sangamon County
Rochester Township
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.211397%-0.031658%-0.181932%-0.068424%-0.243056%0.24%0.211397%0.181932%0.211397%0.21%89016.360%16.4%-0.755882%-0.013235%-0.659609%-0.054048%-0.769118%0.77%0.755882%0.659609%0.755882%0.76%2,07438.125%38.1%-0.348243%-0.140931%-0.614319%-0.019634%-0.489175%0.49%0.348243%0.614319%0.348243%0.35%82015.074%15.1%-0.220588%-0.560187%-0.054496%-0.220588%0.22%0.220588%0.266544%0.560187%0.487132%0.49%1542.831%2.83%-0.758783%-0.016340%-0.624108%-0.775123%0.78%0.758783%0.624108%0.026094%0.758783%0.76%1,50227.610%27.6%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of Sangamon County and the Rochester Township
Female Male
Sangamon County
Rochester Township
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.047105%-0.044807%-0.042791%-0.055157%-0.091912%0.09%0.047105%0.042791%0.047105%0.05%1212.224%2.22%-0.044118%-0.213235%-0.164922%-0.074406%-0.257353%0.26%0.044118%0.164922%0.044118%0.04%821.507%1.51%-0.187500%-0.210835%-0.089912%-0.187500%0.19%0.187500%0.066176%0.210835%0.253676%0.25%1202.206%2.21%-0.154412%-0.165441%-0.350082%-0.014700%-0.319853%0.32%0.154412%0.350082%0.154412%0.15%1292.371%2.37%-0.692402%-0.402405%-0.167641%-0.692402%0.69%0.692402%0.012255%0.402405%0.704657%0.70%2284.191%4.19%-0.689338%-0.514249%-0.091372%-0.689338%0.69%0.689338%0.551471%0.514249%1.240809%1.24%2103.860%3.86%-0.839461%-0.601594%-0.112264%-0.839461%0.84%0.839461%0.287990%0.601594%1.127451%1.13%3215.901%5.90%-0.487132%-0.459559%-0.644385%-0.019382%-0.946691%0.95%0.487132%0.644385%0.487132%0.49%1562.868%2.87%-0.625000%-0.694325%-0.082260%-0.625000%0.63%0.625000%0.040441%0.694325%0.665441%0.67%3516.452%6.45%-0.871324%-0.194853%-0.723020%-0.046718%-1.066176%1.07%0.871324%0.723020%0.871324%0.87%5279.688%9.69%-0.702206%-0.636129%-0.041281%-0.702206%0.70%0.702206%0.261029%0.636129%0.963235%0.96%4538.327%8.33%-0.408088%-0.161765%-0.625859%-0.024869%-0.569853%0.57%0.408088%0.625859%0.408088%0.41%2664.890%4.89%-0.617647%-0.044118%-0.575013%-0.017721%-0.661765%0.66%0.617647%0.575013%0.617647%0.62%3486.397%6.40%-0.290441%-0.198529%-0.631598%-0.050745%-0.488971%0.49%0.290441%0.631598%0.290441%0.29%2123.897%3.90%-0.235294%-0.609951%-0.031112%-0.235294%0.24%0.235294%0.110294%0.609951%0.345588%0.35%1582.904%2.90%-0.000000%-0.625000%-0.610152%-0.625000%0.63%0.000000%0.610152%0.048161%0.000000%0.00%1021.875%1.88%-0.000000%-0.601090%-0.049336%0.000000%0.00%0.000000%0.367647%0.601090%0.367647%0.37%200.368%0.37%-0.183824%-0.512487%-0.143980%-0.183824%0.18%0.183824%0.386029%0.512487%0.569853%0.57%410.754%0.75%-0.349265%-0.563585%-0.012334%-0.349265%0.35%0.349265%0.156250%0.563585%0.505515%0.51%931.710%1.71%-0.594363%-0.645224%-0.594363%0.59%0.594363%0.447304%0.645224%0.032387%1.041667%1.04%2674.908%4.91%-0.992647%-0.169118%-0.648715%-1.161765%1.16%0.992647%0.648715%0.010371%0.992647%0.99%58610.772%10.8%-0.849265%-0.640760%-0.849265%0.85%0.849265%0.084559%0.640760%0.021748%0.933824%0.93%4858.915%8.92%-0.180147%-0.242647%-0.570180%-0.422794%0.42%0.180147%0.570180%0.042388%0.180147%0.18%1643.015%3.01%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of Sangamon County and the Rochester Township
More Females More Males
Sangamon County
Rochester Township
1,000%500%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-242018-1915-1710-145-90-4-95.121951%-128.897059%-95.121951%95.1%0.5130.5166.116%66.1%33.884%33.9%-483.333333%-45.115995%-483.333333%483.3%0.1710.1785.366%85.4%14.634%14.6%-42.645654%35.294118%35.294118%35.3%1.3531.3542.500%42.5%57.500%57.5%-107.142857%-4.199022%-107.142857%107.1%0.4830.4867.442%67.4%32.558%32.6%-41.659716%1.769912%1.769912%1.8%1.0181.0249.561%49.6%50.439%50.4%-17.767988%80.000000%80.000000%80.0%1.8001.8035.714%35.7%64.286%64.3%-18.661088%34.306569%34.306569%34.3%1.3431.3442.679%42.7%57.321%57.3%-94.339623%-3.007812%-94.339623%94.3%0.5150.5166.026%66.0%33.974%34.0%-11.847448%6.470588%6.470588%6.5%1.0651.0648.433%48.4%51.567%51.6%-22.362869%-6.461496%-22.362869%22.4%0.8170.8255.028%55.0%44.972%45.0%-6.489395%37.172775%37.172775%37.2%1.3721.3742.163%42.2%57.837%57.8%-39.639640%-3.973616%-39.639640%39.6%0.7160.7258.271%58.3%41.729%41.7%-7.142857%-3.081772%-7.142857%7.1%0.9330.9351.724%51.7%48.276%48.3%-68.354430%-8.034433%-68.354430%68.4%0.5940.5962.736%62.7%37.264%37.3%-5.100693%46.875000%46.875000%46.9%1.4691.4740.506%40.5%59.494%59.5%-1,000.000000%-1,000.000000%> 1000%7.893289%0.0000100.000%100%0.000%0%-28.094303%210.000000%210.000000%210.0%3.1003.1024.390%24.4%75.610%75.6%-2.188477%44.736842%44.736842%44.7%1.4471.4540.860%40.9%59.140%59.1%75.257732%5.019506%75.257732%75.3%1.7531.7536.330%36.3%63.670%63.7%-17.037037%-17.037037%17.0%1.598634%0.8540.8553.925%53.9%46.075%46.1%9.956710%3.394092%9.956710%10.0%1.1001.1047.629%47.6%52.371%52.4%-134.693878%-134.693878%134.7%7.434222%0.4260.4370.122%70.1%29.878%29.9%

Map of Age Cohorts by Tract in the Rochester Township

Children Age Cohorts by Tract#5

Percentage of population aged 0 to 17 (%):
19.4%21.3%23.2%25.1%27.0%28.9%

College Age Cohorts by Tract#6

Percentage of population aged 18 to 21 (%):
2.77%3.21%3.65%4.09%4.54%4.98%

20s Age Cohorts by Tract#7

Percentage of population aged 22 to 29 (%):
3.6%4.7%5.7%6.7%7.7%8.8%

30s Age Cohorts by Tract#8

Percentage of population aged 30 to 39 (%):
8.0%8.8%9.5%10.2%11.0%11.8%

40s Age Cohorts by Tract#9

Percentage of population aged 40 to 49 (%):
13.9%14.7%15.4%16.1%16.8%17.6%

50s Age Cohorts by Tract#10

Percentage of population aged 50 to 59 (%):
15.22%15.59%15.95%16.31%16.68%17.04%

60s Age Cohorts by Tract#11

Percentage of population aged 60 to 69 (%):
12.5%13.0%13.6%14.1%14.6%15.2%

70s Age Cohorts by Tract#12

Percentage of population aged 70 to 79 (%):
3.4%4.3%5.3%6.2%7.1%8.1%

80+ Age Cohorts by Tract#13

Percentage of population aged 80 and older (%):
2.30%2.72%3.14%3.56%3.98%4.40%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in the Rochester Township

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
18.4%21.4%24.4%27.3%30.3%33.3%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
1.5%2.6%3.7%4.8%5.8%7.0%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
0.0%1.7%3.4%5.1%6.7%8.5%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
3.2%7.4%11.5%15.6%19.7%23.9%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
3.5%7.7%11.8%16.0%20.1%24.3%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
13.7%16.4%19.0%21.7%24.3%27.0%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
9.3%11.4%13.4%15.4%17.4%19.4%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
1.5%4.0%6.6%9.1%11.6%14.2%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
0.8%1.7%2.5%3.4%4.2%5.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block in the Rochester Township

Children Age Cohorts by Block#23

Percentage of population aged 0 to 17 (%):
0%13%27%40%53%67%

College Age Cohorts by Block#24

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

20s Age Cohorts by Block#25

Percentage of population aged 22 to 29 (%):
0%13%27%40%53%67%

30s Age Cohorts by Block#26

Percentage of population aged 30 to 39 (%):
0%7%13%20%27%34%

40s Age Cohorts by Block#27

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

50s Age Cohorts by Block#28

Percentage of population aged 50 to 59 (%):
0%20%40%60%80%100%

60s Age Cohorts by Block#29

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

70s Age Cohorts by Block#30

Percentage of population aged 70 to 79 (%):
0%15%30%45%60%75%

80+ Age Cohorts by Block#31

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

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Age Cohorts by County Subdivision in the Springfield Area

There are 42 county subdivisions in the Springfield Area. This section compares the Rochester Township to all of the county subdivisions in the Springfield Area and to those entities that contain or substantially overlap with the Rochester Township.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of the Rochester Township, selected other county subdivisions in the Springfield Area, and entities that contain the Rochester Township
0%10%20%30%Count#Sandridge No. 8 PrecinctSandridge No. 8Talkington TownshipTalkingtonNew Berlin TownshipNew BerlinPetersburg North No. 14 PrecinctPetersburg N No. 14Athens South No. 1 PrecinctAthens S No. 1Springfield TownshipSpringfieldRochester TownshipRochesterBall TownshipLoami TownshipLoamiChatham TownshipChathamWilliams TownshipWilliamsCartwright TownshipCartwrightPawnee TownshipPawneeAuburn TownshipAuburnSugar Grove No. 5 PrecinctSugar Grv No. 5Clear Lake TownshipClear LkAthens North No. 2 PrecinctAthens N No. 2Tallula No. 11 PrecinctTallula No. 11IllinoisMidwestUnited States of AmericaUnited StatesEast North CentralSangamon CountySangamonSpringfield Metro AreaSpringfieldIndian Creek No. 7 PrecinctIndian Crk No. 7Oakford No. 9 PrecinctOakford No. 9Capital TownshipCapitalIrish Grove No. 4 PrecinctIrish Grv No. 4Gardner TownshipGardnerIlliopolis TownshipIlliopolisGreenview No. 6 PrecinctGreenview No. 6Island Grove TownshipIs GrvRock Creek No. 12 PrecinctRock Crk No. 12Divernon TownshipDivernonAtterberry No. 10 PrecinctAtterberry No. 10Mechanicsburg TownshipMechanicsburgCurran TownshipCurranPetersburg West No. 16 PrecinctPetersburg W No. 16Cotton Hill TownshipCotton HlFancy Creek TownshipFancy CrkPetersburg East No. 13 PrecinctPetersburg E No. 13Woodside TownshipWoodsideCooper TownshipCooperPetersburg South No. 15 PrecinctPetersburg S No. 15Maxwell TownshipMaxwellBuffalo Hart TownshipBuffalo HartLanesville TownshipLanesvilleFancy Prairie No. 3 PrecinctFancy Prairie No. 334.693878%34.693878%34.7%51133.783784%33.783784%33.8%50232.050511%32.050511%32.1%533331.127820%31.127820%31.1%414429.030407%29.030407%29.0%506528.677872%28.677872%28.7%1,655627.610294%27.610294%27.6%1,502727.288354%27.288354%27.3%1,905826.876091%26.876091%26.9%308926.776181%26.776181%26.8%1,9561026.770982%26.770982%26.8%9411125.666667%25.666667%25.7%3851225.601318%25.601318%25.6%7771325.471848%25.471848%25.5%1,6061425.212465%25.212465%25.2%891524.326867%24.326867%24.3%2,0691624.250127%24.250127%24.3%4771723.801917%23.801917%23.8%1491823.270328%23.270328%23.3%2,990,6292.99M23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.937590%22.937590%22.9%45,56345.6k22.922141%22.922141%22.9%48,41548.4k22.851153%22.851153%22.9%1091922.748815%22.748815%22.7%962022.459425%22.459425%22.5%26,15426.2k2122.404372%22.404372%22.4%412221.947233%21.947233%21.9%9402321.922160%21.922160%21.9%2762421.703011%21.703011%21.7%2092521.406250%21.406250%21.4%1372620.718232%20.718232%20.7%1502720.416667%20.416667%20.4%2942819.230769%19.230769%19.2%752919.049521%19.049521%19.0%4773019.041278%19.041278%19.0%2863118.929504%18.929504%18.9%1453218.714122%18.714122%18.7%1633318.532142%18.532142%18.5%1,0583417.333333%17.333333%17.3%2603517.111501%17.111501%17.1%1,9493614.542936%14.542936%14.5%105378.553326%8.553326%8.6%81386.923077%6.923077%6.9%18396.766917%6.766917%6.8%9406.172840%6.172840%6.2%10410.000000%0.000000%0.0%042

Age Cohorts by County Subdivision in Illinois

There are 1,710 county subdivisions in Illinois. This section compares the Rochester Township to the 50 most populous county subdivisions in Illinois and to those entities that contain or substantially overlap with the Rochester Township. The least populous of the compared county subdivisions has a population of 54,812.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of the Rochester Township, selected other county subdivisions in Illinois, and entities that contain the Rochester Township
0%10%20%30%Count#Wheatland TownshipWheatlandCicero TownshipCiceroPlainfield TownshipPlainfieldNew Trier TownshipNew TrierAurora TownshipAuroraDundee TownshipDundeeAvon TownshipWaukegan TownshipWaukeganRochester TownshipRochesterJoliet TownshipJolietElgin TownshipElginDu Page TownshipDu PageWarren TownshipWarrenHanover TownshipHanoverBerwyn TownshipBerwynFrankfort TownshipFrankfortNaperville TownshipNapervilleLyons TownshipLyonsBloom TownshipBloomThornton TownshipThorntonWayne TownshipWaynePeoria City TownshipPeoria CityRockford TownshipRockfordMilton TownshipMiltonAlgonquin TownshipAlgonquinBremen TownshipBremenNorthfield TownshipNorthfieldVernon TownshipVernonPalatine TownshipPalatineAddison TownshipAddisonProviso TownshipProvisoDowners Grove TownshipDowners GrvIllinoisMidwestUnited States of AmericaUnited StatesBloomington City TownshipBloomington CityWorth TownshipWorthEast North CentralSangamon CountySangamonSpringfield Metro AreaSpringfieldElk Grove TownshipElk GrvBloomingdale TownshipBloomingdaleCapital TownshipCapitalRich TownshipLisle TownshipLisleWheeling TownshipWheelingYork TownshipSchaumburg TownshipSchaumburgLeyden TownshipLeydenChicagoLockport TownshipLockportOrland TownshipOrlandPalos TownshipPalosMaine TownshipMaineNiles TownshipNilesEvanston TownshipEvanstonChampaign City TownshipChampaign City32.540310%32.540310%32.5%27,16427.2k131.658172%31.658172%31.7%26,58426.6k230.577742%30.577742%30.6%24,92324.9k330.525041%30.525041%30.5%17,14517.1k428.976809%28.976809%29.0%42,91942.9k528.492661%28.492661%28.5%18,65518.7k628.335007%28.335007%28.3%18,33718.3k728.206492%28.206492%28.2%25,46225.5k827.610294%27.610294%27.6%1,50227.063219%27.063219%27.1%23,68623.7k926.986524%26.986524%27.0%27,87627.9k1026.906032%26.906032%26.9%23,80023.8k1126.817971%26.817971%26.8%17,31117.3k1226.606278%26.606278%26.6%26,81726.8k1325.812742%25.812742%25.8%14,56214.6k1425.642300%25.642300%25.6%14,96115.0k1525.626402%25.626402%25.6%26,15226.2k1625.549207%25.549207%25.5%28,79628.8k1725.161220%25.161220%25.2%22,94222.9k1824.478487%24.478487%24.5%41,48141.5k1924.326292%24.326292%24.3%16,37516.4k2024.303147%24.303147%