Age and Sex in Rockford Public Schools, Michigan (Unified School District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the unified school districts in Michigan.
Scope: population of Michigan, Rockford Public Schools, and other unified school districts in Michigan
Rockford
Michigan
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-45081.201%1.20%4150.982%0.98%1,0452.472%2.47%1,2082.857%2.86%1,2943.060%3.06%9232.183%2.18%1,4203.358%3.36%8992.126%2.13%3,4508.160%8.16%3,4608.183%8.18%3,8429.087%9.09%2,9236.913%6.91%2,3545.567%5.57%2,3595.579%5.58%1,7264.082%4.08%8912.107%2.11%4050.958%0.96%3630.859%0.86%9572.263%2.26%2,4795.863%5.86%4,1319.770%9.77%2,7826.580%6.58%2,4485.790%5.79%
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 Michigan and Rockford Public Schools
Female Male
Michigan
Rockford
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.168052%-0.018198%-0.188791%-0.050650%-0.186249%0.19%0.168052%0.188791%0.168052%0.17%5,39312.755%12.8%-0.749728%-0.013623%-0.668393%-0.025951%-0.763351%0.76%0.749728%0.668393%0.749728%0.75%15,99416.0k37.827%37.8%-0.468679%-0.025753%-0.612739%-0.494432%0.49%0.468679%0.612739%0.005975%0.468679%0.47%7,33017.336%17.3%-0.491935%-0.718465%-0.491935%0.49%0.491935%0.036067%0.718465%0.030130%0.528002%0.53%1,7254.080%4.08%-0.751305%-0.053083%-0.609738%-0.804387%0.80%0.751305%0.609738%0.029460%0.751305%0.75%11,84011.8k28.002%28.0%
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 Michigan and Rockford Public Schools
Female Male
Michigan
Rockford
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.027494%-0.020103%-0.043462%-0.042173%-0.047597%0.05%0.027494%0.043462%0.027494%0.03%5081.201%1.20%-0.090346%-0.015609%-0.158053%-0.074659%-0.105955%0.11%0.090346%0.158053%0.090346%0.09%4150.982%0.98%-0.186841%-0.120619%-0.232290%-0.057643%-0.307459%0.31%0.186841%0.232290%0.186841%0.19%1,0452.472%2.47%-0.267253%-0.338678%-0.051173%-0.267253%0.27%0.267253%0.036895%0.338678%0.304148%0.30%1,2082.857%2.86%-0.488782%-0.042571%-0.452413%-0.045532%-0.531353%0.53%0.488782%0.452413%0.488782%0.49%1,2943.060%3.06%-0.473015%-0.549376%-0.047323%-0.473015%0.47%0.473015%0.145452%0.549376%0.618466%0.62%9232.183%2.18%-0.553427%-0.012614%-0.595150%-0.049471%-0.566041%0.57%0.553427%0.595150%0.553427%0.55%1,4203.358%3.36%-0.494300%-0.670284%-0.021187%-0.494300%0.49%0.494300%0.074500%0.670284%0.568800%0.57%8992.126%2.13%-0.815477%-0.000946%-0.708327%-0.044280%-0.816423%0.82%0.815477%0.708327%0.815477%0.82%3,4508.160%8.16%-0.815950%-0.004730%-0.724641%-0.025244%-0.820680%0.82%0.815950%0.724641%0.815950%0.82%3,4608.183%8.18%-0.861832%-0.665538%-0.012979%-0.861832%0.86%0.861832%0.093657%0.665538%0.955489%0.96%3,8429.087%9.09%-0.602147%-0.178326%-0.618253%-0.009092%-0.780474%0.78%0.602147%0.618253%0.602147%0.60%2,9236.913%6.91%-0.532141%-0.570850%-0.011825%-0.532141%0.53%0.532141%0.049194%0.570850%0.581335%0.58%2,3545.567%5.57%-0.549170%-0.593715%-0.004620%-0.549170%0.55%0.549170%0.017502%0.593715%0.566671%0.57%2,3595.579%5.58%-0.343882%-0.128660%-0.613712%-0.472542%0.47%0.343882%0.613712%0.017742%0.343882%0.34%1,7264.082%4.08%-0.325592%-0.051243%-0.685231%-0.376835%0.38%0.325592%0.685231%0.033688%0.325592%0.33%8912.107%2.11%-0.397332%-0.163190%-0.752553%-0.560522%0.56%0.397332%0.752553%0.015096%0.397332%0.40%4050.958%0.96%-0.406792%-0.044936%-0.751342%-0.451729%0.45%0.406792%0.751342%0.042696%0.406792%0.41%3630.859%0.86%-0.477745%-0.684982%-0.477745%0.48%0.477745%0.176198%0.684982%0.031364%0.653943%0.65%9572.263%2.26%-0.966526%-0.021286%-0.664803%-0.987812%0.99%0.966526%0.664803%0.032171%0.966526%0.97%2,4795.863%5.86%-0.881699%-0.190625%-0.635043%-1.072324%1.07%0.881699%0.635043%0.024617%0.881699%0.88%4,1319.770%9.77%-0.605932%-0.597396%-0.605932%0.61%0.605932%0.104063%0.597396%0.031208%0.709995%0.71%2,7826.580%6.58%-0.533087%-0.091765%-0.563736%-0.624852%0.62%0.533087%0.563736%0.030930%0.533087%0.53%2,4485.790%5.79%
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 Michigan and Rockford Public Schools
More Females More Males
Michigan
Rockford
50%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-73.118280%-97.035263%-73.118280%73.1%0.5780.5863.386%63.4%36.614%36.6%-17.277487%-47.236694%-17.277487%17.3%0.8530.8553.976%54.0%46.024%46.0%-64.556962%-24.815153%-64.556962%64.6%0.6080.6162.201%62.2%37.799%37.8%-15.109530%13.805310%13.805310%13.8%1.1381.1446.772%46.8%53.228%53.2%-8.709677%-10.064165%-8.709677%8.7%0.9200.9252.087%52.1%47.913%47.9%-8.613912%30.750000%30.750000%30.8%1.3081.3143.337%43.3%56.663%56.7%-2.279202%-8.312280%-2.279202%2.3%0.9780.9850.563%50.6%49.437%49.4%-3.160827%15.071770%15.071770%15.1%1.1511.1546.496%46.5%53.504%53.5%-0.116009%-6.251389%-0.116009%0.1%0.9991.0050.029%50.0%49.971%50.0%-0.579710%-3.483686%-0.579710%0.6%0.9940.9950.145%50.1%49.855%49.9%-1.950200%10.867179%10.867179%10.9%1.1091.1147.423%47.4%52.577%52.6%-29.615082%-1.470627%-29.615082%29.6%0.7720.7756.449%56.4%43.551%43.6%-2.071453%9.244444%9.244444%9.2%1.0921.0947.791%47.8%52.209%52.2%-0.778111%3.186908%3.186908%3.2%1.0321.0349.216%49.2%50.784%50.8%-37.414030%-37.414030%37.4%2.890997%0.7280.7357.879%57.9%42.121%42.1%-15.738499%-15.738499%15.7%4.916278%0.8640.8653.648%53.6%46.352%46.4%-41.071429%-41.071429%41.1%2.006034%0.7090.7158.519%58.5%41.481%41.5%-11.046512%-11.046512%11.0%5.682627%0.9010.9052.617%52.6%47.383%47.4%36.881188%4.578736%36.881188%36.9%1.3691.3742.215%42.2%57.785%57.8%-2.202284%-2.202284%2.2%4.839150%0.9780.9850.545%50.5%49.455%49.5%-21.620172%-21.620172%21.6%3.876358%0.8220.8254.878%54.9%45.122%45.1%17.174083%5.224022%17.174083%17.2%1.1721.1746.046%46.0%53.954%54.0%-17.213842%-17.213842%17.2%5.486539%0.8530.8553.962%54.0%46.038%46.0%
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 County Subdivision in Rockford Public Schools

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
17.6%20.0%22.4%24.7%27.1%29.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.1%3.9%4.6%5.4%6.1%6.9%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
4.5%5.4%6.3%7.1%7.9%8.8%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
8.6%10.2%11.9%13.5%15.1%16.8%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.9%12.0%13.1%14.2%15.3%16.5%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
11.1%13.6%16.1%18.6%21.1%23.7%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
7.9%10.1%12.2%14.4%16.5%18.7%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
3.7%4.3%4.8%5.4%5.9%6.5%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.07%1.55%2.02%2.49%2.96%3.43%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Rockford Public Schools

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
17.2%19.9%22.6%25.2%27.9%30.6%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.7%3.7%4.7%5.7%6.7%7.7%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.0%5.1%6.1%7.2%8.2%9.3%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
7.8%9.7%11.6%13.4%15.2%17.1%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
10.7%12.2%13.6%15.1%16.6%18.1%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
12.4%14.7%16.9%19.1%21.3%23.6%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
8.8%10.7%12.6%14.5%16.4%18.3%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
2.8%3.7%4.6%5.4%6.3%7.2%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.5%1.3%2.1%2.9%3.7%4.5%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Rockford Public Schools

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
9.7%14.6%19.5%24.3%29.2%34.1%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%1.8%3.5%5.3%7.0%8.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
0.9%3.2%5.6%7.9%10.2%12.6%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
2.5%5.9%9.2%12.5%15.8%19.1%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
7.1%10.1%13.2%16.2%19.2%22.2%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
7.7%11.4%15.0%18.7%22.4%26.1%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
3.6%8.4%13.2%17.9%22.6%27.4%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
1.9%4.5%7.1%9.6%12.2%14.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0.0%2.0%4.0%6.0%8.0%10.1%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Rockford Public Schools

There is 1 place in Rockford Public Schools. This section compares all 1 of those to each other, Rockford Public Schools, and other entities that contain or substantially overlap with Rockford Public Schools.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Rockford Public Schools, selected places in Rockford Public Schools, and entities that contain Rockford Public Schools
0%10%20%Count#RockfordRockford Public SchoolsRockfordKent CountyKentGrand Rapids and Wyoming Metro AreaGrand RapidsMidwestUnited States of AmericaUnited StatesEast North CentralMichigan28.855063%28.855063%28.9%1,744128.002460%28.002460%28.0%11,84011.8k25.167315%25.167315%25.2%158,391158k24.827437%24.827437%24.8%255,269255k23.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.480857%22.480857%22.5%2,227,7632.23M
Count number of children
# rank of place out of 1 by %

Age Cohorts by County Subdivision in Rockford Public Schools

There are 7 county subdivisions that are fully or partially contained within Rockford Public Schools (1 fully and 6 partially). This section compares all 7 of those to each other, Rockford Public Schools, and other entities that contain or substantially overlap with Rockford Public Schools.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Rockford Public Schools, selected county subdivisions in Rockford Public Schools, and entities that contain Rockford Public Schools
0%10%20%Count#Algoma TownshipAlgomaRockfordCourtland TownshipCourtlandRockford Public SchoolsRockfordCannon TownshipCannonOakfield TownshipOakfieldKent CountyKentGrand Rapids and Wyoming Metro AreaGrand RapidsPlainfield Charter TownshipPlainfieldMidwestUnited States of AmericaUnited StatesEast North CentralMichiganGrattan TownshipGrattan29.478437%29.478437%29.5%3,199128.855063%28.855063%28.9%1,744228.429109%28.429109%28.4%2,340328.002460%28.002460%28.0%11,84011.8k27.027599%27.027599%27.0%3,829425.724218%25.724218%25.7%1,554525.167315%25.167315%25.2%158,391158k24.827437%24.827437%24.8%255,269255k23.556703%23.556703%23.6%7,667623.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.480857%22.480857%22.5%2,227,7632.23M17.617538%17.617538%17.6%6677
Count number of children
# rank of county subdivision out of 7 by %

Age Cohorts by Unified School District in Michigan

There are 546 unified school districts in Michigan. This section compares Rockford Public Schools to the 50 most populous unified school districts in Michigan and to those entities that contain or substantially overlap with Rockford Public Schools. The least populous of the compared unified school districts has a population of 41,747.

Children by Unified School District#50

Percentage of population aged 0 to 17 (%):
Scope: population of Rockford Public Schools, selected other unified school districts in Michigan, and entities that contain Rockford Public Schools
0%10%20%Count#Dearborn City School DistrictDearbornRockford Public SchoolsRockfordForest Hills Public SchoolsForest HillsBattle Creek Public SchoolsBattle CreekSouth Lyon Community SchoolsSouth LyonLake Orion Community SchoolsLake OrionFlint City School DistrictFlintWest Ottawa Public School DistrictWest OttawaGrosse Pointe Public SchoolsGrosse PointeDetroit City School DistrictDetroitGrand Blanc Community SchoolsGrand BlancKent CountyKentJackson Public SchoolsJacksonKentwood Public SchoolsKentwoodGrand Rapids and Wyoming Metro AreaGrand RapidsPortage Public SchoolsPortageBirmingham City School DistrictBirminghamPlymouth-Canton Community SchoolsPlymouth-CantonClarkston Community School DistrictClarkstonTaylor School DistrictTaylorSaginaw City School DistrictSaginawHuron Valley SchoolsHuron ValleyGrand Rapids Public SchoolsGrand RapidsRochester Community School DistrictRochesterLansing Public School DistrictLansingPontiac City School DistrictPontiacMidwestUnited States of AmericaUnited StatesEast North CentralMidland Public SchoolsMidlandHowell Public SchoolsHowellTroy School DistrictTroyMonroe Public SchoolsMonroeVan Buren Public SchoolsVan BurenMichiganL'Anse Creuse Public SchoolsL'Anse CreuseChippewa Valley SchoolsChippewa VlyPort Huron Area School DistrictPort HuronWalled Lake Consolidated SchoolsWalled LakeGrand Haven Area Public SchoolsGrand HavenBay City School DistrictBayWayne-Westland Community School DistrictWayne-WestlandRoseville Community SchoolsRosevilleUtica Community SchoolsUticaTraverse City Area Public SchoolsTraverse CityFarmington Public School DistrictFarmingtonWaterford School DistrictWaterfordWarren Consolidated SchoolsWarrenYpsilanti Community SchoolsYpsilantiKalamazoo Public School DistrictKalamazooLivonia Public SchoolsLivoniaSouthfield Public School DistrictSouthfieldAnn Arbor Public SchoolsAnn ArborRoyal Oak City School DistrictRoyal OakMount Pleasant City School DistrictMt PleasantEast Lansing School DistrictEast Lansing29.183119%29.183119%29.2%30,30230.3k128.002460%28.002460%28.0%11,84011.8k226.796196%26.796196%26.8%13,10213.1k326.370261%26.370261%26.4%11,10911.1k426.223544%26.223544%26.2%11,82011.8k526.189188%26.189188%26.2%11,61711.6k626.042783%26.042783%26.0%25,76125.8k725.951666%25.951666%26.0%13,14413.1k825.583817%25.583817%25.6%12,77412.8k925.216232%25.216232%25.2%172,359172k1025.210947%25.210947%25.2%12,51912.5k1125.167315%25.167315%25.2%158,391158k24.982734%24.982734%25.0%13,74613.7k1224.852816%24.852816%24.9%16,59016.6k1324.827437%24.827437%24.8%255,269255k24.691729%24.691729%24.7%13,15613.2k1424.652674%24.652674%24.7%13,96514.0k1524.381151%24.381151%24.4%29,23329.2k1624.309931%24.309931%24.3%10,72710.7k1724.083412%24.083412%24.1%16,23816.2k1823.881431%23.881431%23.9%14,10714.1k1923.768452%23.768452%23.8%14,33014.3k2023.752965%23.752965%23.8%44,35744.4k2123.746114%23.746114%23.7%21,84521.8k2223.502236%23.502236%23.5%28,74328.7k2323.465852%23.465852%23.5%18,35118.4k2423.217458%23.217458%23.2%15,712,75815.7M23.108006%23.108006%23.1%73,612,43873.6M23.005234%23.005234%23.0%10,741,74210.7M22.834986%22.834986%22.8%12,16112.2k2522.622597%22.622597%22.6%12,36812.4k2622.579029%22.579029%22.6%14,87114.9k2722.542587%22.542587%22.5%10,89110.9k2822.502506%22.502506%22.5%10,77610.8k2922.480857%22.480857%22.5%2,227,7632.23M22.265713%22.265713%22.3%15,81415.8k3022.264715%22.264715%22.3%23,22923.2k3122.194376%22.194376%22.2%14,87814.9k3222.087522%22.087522%22.1%22,50122.5k3321.874626%21.874626%21.9%9,1323421.867478%21.867478%21.9%15,44515.4k3521.617358%21.617358%21.6%19,04919.0k3621.545828%21.545828%21.5%9,4503721.409809%21.409809%21.4%39,28739.3k3820.584269%20.584269%20.6%17,09417.1k3920.127725%20.127725%20.1%17,42917.4k4020.013339%20.013339%20.0%15,60415.6k4119.796448%19.796448%19.8%23,24423.2k4219.781541%19.781541%19.8%11,68111.7k4319.532214%19.532214%19.5%21,84621.8k4419.503612%19.503612%19.5%22,00322.0k4519.477943%19.477943%19.5%13,74513.7k4616.501126%16.501126%16.5%28,06028.1k4715.308282%15.308282%15.3%9,0404814.523110%14.523110%14.5%6,677498.123495%8.123495%8.1%4,45250
Count number of children
# rank of unified school district 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.

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State:
Michigan
County:
Kent
Metro Area:
Grand Rapids Area
Charter Townships:
Plainfield
Cities:
Rockford
Townships:
Algoma, Cannon, Courtland, Grattan, Oakfield
ZIP Codes:
49301, 49306, 49319, 49321, 49341, 49345
Congressional District:
MI-3
State Senate District:
MI-28
State House Districts:
MI-73, MI-74, MI-86
Neighboring Unified School Districts:
Belding, Cedar Springs, Comstock Park, Forest Hills, Greenville, Lowell, Northview, Sparta
Nearby Unified School Districts:
East Grand Rapids, Godfrey-Lee, Godwin Heights, Grand Rapids, Grandville, Kelloggsville, Kenowa Hills, Kent City, Kentwood, Wyoming