Age and Sex in Northwest School District, 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, Northwest School District, and other unified school districts in Michigan
Northwest
Michigan
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-46542.506%2.51%6232.387%2.39%7372.824%2.82%8763.357%3.36%8123.112%3.11%4911.882%1.88%9053.468%3.47%6122.345%2.35%1,7176.580%6.58%2,5309.695%9.69%2,0317.783%7.78%1,7286.622%6.62%1,7736.794%6.79%1,7306.629%6.63%1,7766.806%6.81%1,4075.392%5.39%4111.575%1.57%3891.491%1.49%5292.027%2.03%8853.391%3.39%1,0283.939%3.94%1,2714.870%4.87%1,1814.526%4.53%
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 Northwest School District
Female Male
Michigan
Northwest
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.188407%-0.069508%-0.188791%-0.050650%-0.257915%0.26%0.188407%0.188791%0.188407%0.19%4,19316.068%16.1%-0.580625%-0.668393%-0.025951%-0.580625%0.58%0.580625%0.298437%0.668393%0.879062%0.88%9,52336.492%36.5%-0.458989%-0.612739%-0.458989%0.46%0.458989%0.505399%0.612739%0.005975%0.964388%0.96%6,68625.621%25.6%-0.516363%-0.718465%-0.516363%0.52%0.516363%0.240458%0.718465%0.030130%0.756821%0.76%1,3295.093%5.09%-0.444513%-0.040236%-0.609738%-0.484749%0.48%0.444513%0.609738%0.029460%0.444513%0.44%4,36516.727%16.7%
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 Michigan and Northwest School District
Female Male
Michigan
Northwest
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.042871%-0.070892%-0.043462%-0.042173%-0.113763%0.11%0.042871%0.043462%0.042871%0.04%6542.506%2.51%-0.152514%-0.172440%-0.158053%-0.074659%-0.324954%0.32%0.152514%0.158053%0.152514%0.15%6232.387%2.39%-0.270540%-0.232290%-0.057643%-0.270540%0.27%0.270540%0.023758%0.232290%0.294298%0.29%7372.824%2.82%-0.269773%-0.131821%-0.338678%-0.051173%-0.401594%0.40%0.269773%0.338678%0.269773%0.27%8763.357%3.36%-0.436849%-0.163499%-0.452413%-0.045532%-0.600347%0.60%0.436849%0.452413%0.436849%0.44%8123.112%3.11%-0.339132%-0.549376%-0.047323%-0.339132%0.34%0.339132%0.262492%0.549376%0.601625%0.60%4911.882%1.88%-0.569691%-0.016605%-0.595150%-0.049471%-0.586297%0.59%0.569691%0.595150%0.569691%0.57%9053.468%3.47%-0.538397%-0.670284%-0.021187%-0.538397%0.54%0.538397%0.095800%0.670284%0.634197%0.63%6122.345%2.35%-0.593961%-0.708327%-0.044280%-0.593961%0.59%0.593961%0.127989%0.708327%0.721950%0.72%1,7176.580%6.58%-0.676732%-0.724641%-0.025244%-0.676732%0.68%0.676732%0.585530%0.724641%1.262262%1.26%2,5309.695%9.69%-0.580932%-0.665538%-0.012979%-0.580932%0.58%0.580932%0.394697%0.665538%0.975628%0.98%2,0317.783%7.78%-0.484365%-0.618253%-0.009092%-0.484365%0.48%0.484365%0.355610%0.618253%0.839975%0.84%1,7286.622%6.62%-0.442213%-0.570850%-0.011825%-0.442213%0.44%0.442213%0.474402%0.570850%0.916616%0.92%1,7736.794%6.79%-0.392397%-0.593715%-0.004620%-0.392397%0.39%0.392397%0.541079%0.593715%0.933476%0.93%1,7306.629%6.63%-0.487431%-0.613712%-0.487431%0.49%0.487431%0.386266%0.613712%0.017742%0.873697%0.87%1,7766.806%6.81%-0.550531%-0.685231%-0.550531%0.55%0.550531%0.696148%0.685231%0.033688%1.246679%1.25%1,4075.392%5.39%-0.685929%-0.752553%-0.685929%0.69%0.685929%0.203096%0.752553%0.015096%0.889025%0.89%4111.575%1.57%-0.613121%-0.751342%-0.613121%0.61%0.613121%0.264408%0.751342%0.042696%0.877529%0.88%3891.491%1.49%-0.383200%-0.684982%-0.383200%0.38%0.383200%0.247164%0.684982%0.031364%0.630365%0.63%5292.027%2.03%-0.439403%-0.251635%-0.664803%-0.691038%0.69%0.439403%0.664803%0.032171%0.439403%0.44%8853.391%3.39%-0.308860%-0.635043%-0.308860%0.31%0.308860%0.170141%0.635043%0.024617%0.479001%0.48%1,0283.939%3.94%-0.482833%-0.597396%-0.482833%0.48%0.482833%0.008430%0.597396%0.031208%0.491263%0.49%1,2714.870%4.87%-0.366340%-0.172440%-0.563736%-0.538780%0.54%0.366340%0.563736%0.030930%0.366340%0.37%1,1814.526%4.53%
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 Northwest School District
More Females More Males
Michigan
Northwest
100%0%100%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-165.363128%-97.035263%-165.363128%165.4%0.3770.3872.630%72.6%27.370%27.4%-113.065327%-47.236694%-113.065327%113.1%0.4690.4768.058%68.1%31.942%31.9%-24.815153%8.781870%8.781870%8.8%1.0881.0947.897%47.9%52.103%52.1%-48.863636%-15.109530%-48.863636%48.9%0.6720.6759.817%59.8%40.183%40.2%-37.426901%-10.064165%-37.426901%37.4%0.7280.7357.882%57.9%42.118%42.1%-8.613912%77.401130%77.401130%77.4%1.7741.7736.049%36.0%63.951%64.0%-2.914798%-8.312280%-2.914798%2.9%0.9720.9750.718%50.7%49.282%49.3%-3.160827%17.793594%17.793594%17.8%1.1781.1845.915%45.9%54.085%54.1%-6.251389%21.548387%21.548387%21.5%1.2151.2245.137%45.1%54.863%54.9%-3.483686%86.523216%86.523216%86.5%1.8651.8734.901%34.9%65.099%65.1%-1.950200%67.941953%67.941953%67.9%1.6791.6837.322%37.3%62.678%62.7%-1.470627%73.417722%73.417722%73.4%1.7341.7336.574%36.6%63.426%63.4%-2.071453%107.279029%107.279029%107.3%2.0732.0732.544%32.5%67.456%67.5%-0.778111%137.890625%137.890625%137.9%2.3792.3829.595%29.6%70.405%70.4%79.245283%2.890997%79.245283%79.2%1.7921.7935.811%35.8%64.189%64.2%126.450116%4.916278%126.450116%126.5%2.2652.2630.633%30.6%69.367%69.4%29.608939%2.006034%29.608939%29.6%1.2961.3043.552%43.6%56.448%56.4%43.125000%5.682627%43.125000%43.1%1.4311.4341.131%41.1%58.869%58.9%64.500000%4.578736%64.500000%64.5%1.6451.6537.807%37.8%62.193%62.2%-57.267442%-57.267442%57.3%4.839150%0.6360.6461.130%61.1%38.870%38.9%55.086849%3.876358%55.086849%55.1%1.5511.5539.202%39.2%60.798%60.8%1.746032%5.224022%1.746032%1.7%1.0171.0249.567%49.6%50.433%50.4%-47.071130%-47.071130%47.1%5.486539%0.6800.6859.526%59.5%40.474%40.5%
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 Northwest School District

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
15.1%17.4%19.6%21.9%24.2%26.5%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
2.5%3.5%4.5%5.4%6.4%7.4%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
4.4%6.6%8.7%10.9%13.0%15.2%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
7.6%9.0%10.3%11.6%12.9%14.3%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
10.9%12.1%13.2%14.4%15.6%16.8%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
14.0%15.8%17.6%19.4%21.2%23.0%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
8.9%10.2%11.4%12.7%14.0%15.3%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
4.1%5.1%6.0%7.0%8.0%9.0%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
1.7%2.4%3.1%3.8%4.4%5.1%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Northwest School District

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
0%5%11%16%21%27%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.3%3.3%4.2%5.2%6.1%7.1%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
4.9%8.0%11.1%14.2%17.3%20.4%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
5.5%9.9%14.2%18.6%23.0%27.4%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
10.7%13.3%15.9%18.5%21.1%23.8%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
12.2%13.8%15.4%16.9%18.4%20.0%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
4.7%6.7%8.7%10.6%12.5%14.5%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
1.4%3.0%4.5%6.1%7.6%9.2%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
0.2%2.2%4.2%6.2%8.2%10.2%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Northwest School District

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
0%7%13%20%27%34%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%2.4%4.9%7.3%9.8%12.3%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
1.8%6.9%11.9%16.8%21.8%26.9%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
2.7%7.7%12.6%17.5%22.4%27.4%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
4%10%15%20%25%30%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
5.8%10.4%15.0%19.5%24.1%28.7%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
2.9%7.0%11.0%15.0%19.0%23.0%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
1.4%4.5%7.6%10.6%13.7%16.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
0%7%14%21%28%35%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in Northwest School District

There are 7 county subdivisions that are fully or partially contained within Northwest School District (0 fully and 7 partially). This section compares all 7 of those to each other, Northwest School District, and other entities that contain or substantially overlap with Northwest School District.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Northwest School District, selected county subdivisions in Northwest School District, and entities that contain Northwest School District
0%5%10%15%20%25%Count#Onondaga TownshipOnondagaRives TownshipRivesLeslie TownshipLeslieMidwestUnited States of AmericaUnited StatesEast North CentralMichiganHenrietta TownshipHenriettaSandstone TownshipSandstoneTompkins TownshipTompkinsNorthwest School DistrictNorthwestBlackman Charter TownshipBlackman26.462219%26.462219%26.5%837126.015038%26.015038%26.0%1,211224.761146%24.761146%24.8%622323.217458%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%2,227,7632.23M22.274376%22.274376%22.3%1,044420.210632%20.210632%20.2%806517.651487%17.651487%17.7%469616.726701%16.726701%16.7%4,36515.104713%15.104713%15.1%3,5997
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 Northwest School District to the 50 most populous unified school districts in Michigan and to those entities that contain or substantially overlap with Northwest School District. The least populous of the compared unified school districts has a population of 41,747.

Children by Unified School District#41

Percentage of population aged 0 to 17 (%):
Scope: population of Northwest School District, selected other unified school districts in Michigan, and entities that contain Northwest School District
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 BlancJackson Public SchoolsJacksonKentwood Public SchoolsKentwoodPortage 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 DistrictSouthfieldNorthwest School DistrictNorthwestAnn 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%12,51912.5k1124.982734%24.982734%25.0%13,74613.7k1224.852816%24.852816%24.9%16,59016.6k1324.691729%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%13,74513.7k4616.726701%16.726701%16.7%4,36516.501126%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
Counties:
Ingham, Jackson
Metro Areas:
Jackson Area, Lansing Area
Charter Townships:
Blackman
Townships:
Henrietta, Leslie, Onondaga, Rives, Sandstone, Tompkins
ZIP Codes:
49201, 49202, 49251, 49259, 49264, 49269, 49272, 49277
Congressional Districts:
MI-7, MI-8
State Senate Districts:
MI-16, MI-23
State House Districts:
MI-64, MI-65, MI-67
Neighboring Unified School Districts:
East Jackson, Jackson, Leslie, Springport, Stockbridge, Western
Nearby Unified School Districts:
Albion, Concord, Dansville, Eaton Rapids, Grass Lake, Hanover-Horton, Mason, Michigan Center, Napoleon, Vandercook Lake