Age and Sex in the Northwest Township, St. Louis County, Missouri (Township)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in St. Louis County.
Scope: population of St. Louis County, the Northwest Township, and other county subdivisions in St. Louis County
Northwest Township
St. Louis County
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-41,1423.793%3.79%8622.863%2.86%1,2064.006%4.01%1,1853.936%3.94%8892.953%2.95%7032.335%2.34%1,1573.843%3.84%7892.621%2.62%2,0816.912%6.91%2,4878.261%8.26%2,1307.075%7.08%1,6505.481%5.48%1,5805.248%5.25%1,8896.274%6.27%1,9516.480%6.48%1,2954.301%4.30%3311.099%1.10%1970.654%0.65%7542.504%2.50%1,1853.936%3.94%1,6135.358%5.36%1,4454.800%4.80%1,5855.265%5.26%

Age and Sex#2

Percentage in each age cohort per year of age.1
Scope: population of St. Louis County and the Northwest Township
Female Male
St. Louis County
Northwest Township
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.214797%-0.122807%-0.189522%-0.078459%-0.337603%0.34%0.214797%0.189522%0.214797%0.21%5,98719.886%19.9%-0.644124%-0.079453%-0.634817%-0.083069%-0.723577%0.72%0.644124%0.634817%0.644124%0.64%10,29410.3k34.193%34.2%-0.607852%-0.023436%-0.592424%-0.056113%-0.631288%0.63%0.607852%0.592424%0.607852%0.61%6,71522.305%22.3%-0.468345%-0.586646%-0.468345%0.47%0.468345%0.127881%0.586646%0.062440%0.596227%0.60%1,2824.258%4.26%-0.520568%-0.609614%-0.520568%0.52%0.520568%0.034323%0.609614%0.027002%0.554891%0.55%5,82819.358%19.4%

Detailed Age and Sex#3

Percentage in each age cohort per year of age.1
Scope: population of St. Louis County and the Northwest Township
Female Male
St. Louis County
Northwest Township
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.073490%-0.090098%-0.053714%-0.056687%-0.163589%0.16%0.073490%0.053714%0.073490%0.07%1,1423.793%3.79%-0.157444%-0.257756%-0.171644%-0.104082%-0.415200%0.42%0.157444%0.171644%0.157444%0.16%8622.863%2.86%-0.320202%-0.160765%-0.235228%-0.087031%-0.480967%0.48%0.320202%0.235228%0.320202%0.32%1,2064.006%4.01%-0.297615%-0.191988%-0.330795%-0.087131%-0.489603%0.49%0.297615%0.330795%0.297615%0.30%1,1853.936%3.94%-0.481632%-0.021037%-0.421231%-0.106674%-0.502668%0.50%0.481632%0.421231%0.481632%0.48%8892.953%2.95%-0.549724%-0.505667%-0.103142%-0.549724%0.55%0.549724%0.068093%0.505667%0.617817%0.62%7032.335%2.34%-0.457273%-0.366483%-0.570747%-0.119999%-0.823756%0.82%0.457273%0.570747%0.457273%0.46%1,1573.843%3.84%-0.627782%-0.650236%-0.067012%-0.627782%0.63%0.627782%0.054806%0.650236%0.682588%0.68%7892.621%2.62%-0.679599%-0.023251%-0.694931%-0.086032%-0.702850%0.70%0.679599%0.694931%0.679599%0.68%2,0816.912%6.91%-0.788547%-0.075068%-0.701027%-0.090769%-0.863615%0.86%0.788547%0.701027%0.788547%0.79%2,4878.261%8.26%-0.669634%-0.075732%-0.610438%-0.078416%-0.745366%0.75%0.669634%0.610438%0.669634%0.67%2,1307.075%7.08%-0.535441%-0.025244%-0.565144%-0.061326%-0.560686%0.56%0.535441%0.565144%0.535441%0.54%1,6505.481%5.48%-0.512855%-0.542296%-0.072399%-0.512855%0.51%0.512855%0.023915%0.542296%0.536770%0.54%1,5805.248%5.25%-0.571979%-0.605921%-0.049132%-0.571979%0.57%0.571979%0.110941%0.605921%0.682920%0.68%1,8896.274%6.27%-0.616488%-0.063110%-0.614456%-0.037339%-0.679599%0.68%0.616488%0.614456%0.616488%0.62%1,9516.480%6.48%-0.586815%-0.260192%-0.616755%-0.071893%-0.847007%0.85%0.586815%0.616755%0.586815%0.59%1,2954.301%4.30%-0.378662%-0.570481%-0.378662%0.38%0.378662%0.342124%0.570481%0.059567%0.720787%0.72%3311.099%1.10%-0.325517%-0.545694%-0.325517%0.33%0.325517%0.003322%0.545694%0.114136%0.328838%0.33%1970.654%0.65%-0.584601%-0.615205%-0.584601%0.58%0.584601%0.083040%0.615205%0.038029%0.667641%0.67%7542.504%2.50%-0.583494%-0.145043%-0.666294%-0.728537%0.73%0.583494%0.666294%0.031949%0.583494%0.58%1,1853.936%3.94%-0.486282%-0.098984%-0.634565%-0.585265%0.59%0.486282%0.634565%0.022567%0.486282%0.49%1,6135.358%5.36%-0.469674%-0.591169%-0.469674%0.47%0.469674%0.020594%0.591169%0.028384%0.490268%0.49%1,4454.800%4.80%-0.381984%-0.569101%-0.381984%0.38%0.381984%0.288979%0.569101%0.027085%0.670963%0.67%1,5855.265%5.26%

Detailed Sex Ratio#4

Percentage more males or females in selected age cohorts.
Scope: population of St. Louis County and the Northwest Township
More Females More Males
St. Louis County
Northwest Township
100%0%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-122.598870%-105.535527%-122.598870%122.6%0.4490.4569.002%69.0%30.998%31.0%-163.713080%-60.638174%-163.713080%163.7%0.3790.3872.506%72.5%27.494%27.5%-50.207469%-36.998640%-50.207469%50.2%0.6660.6760.033%60.0%39.967%40.0%-64.508929%-26.339960%-64.508929%64.5%0.6080.6162.194%62.2%37.806%37.8%-4.367816%-25.324264%-4.367816%4.4%0.9580.9651.069%51.1%48.931%48.9%-20.397272%12.386707%12.386707%12.4%1.1241.1247.084%47.1%52.916%52.9%-80.145278%-21.024982%-80.145278%80.1%0.5550.5664.304%64.3%35.696%35.7%-10.305872%8.730159%8.730159%8.7%1.0871.0947.909%47.9%52.091%52.1%-3.421310%-12.379911%-3.421310%3.4%0.9670.9750.841%50.8%49.159%49.2%-9.519798%-12.948020%-9.519798%9.5%0.9130.9152.272%52.3%47.728%47.7%-11.309524%-12.845869%-11.309524%11.3%0.8980.9052.676%52.7%47.324%47.3%-4.714640%-10.851342%-4.714640%4.7%0.9550.9551.152%51.2%48.848%48.8%-13.350534%4.663212%4.663212%4.7%1.0471.0548.861%48.9%51.139%51.1%-8.108732%19.396051%19.396051%19.4%1.1941.1945.580%45.6%54.420%54.4%-10.237069%-6.076773%-10.237069%10.2%0.9070.9152.435%52.4%47.565%47.6%-44.339623%-11.656674%-44.339623%44.3%0.6930.6959.073%59.1%40.927%40.9%90.350877%10.441486%90.350877%90.4%1.9041.9034.441%34.4%65.559%65.6%1.020408%20.915751%1.020408%1.0%1.0101.0149.746%49.7%50.254%50.3%14.204545%6.181464%14.204545%14.2%1.1421.1446.684%46.7%53.316%53.3%-24.857685%-24.857685%24.9%4.795000%0.8010.8055.527%55.5%44.473%44.5%-20.355191%-20.355191%20.4%3.556354%0.8310.8354.619%54.6%45.381%45.4%4.384724%4.801352%4.384724%4.4%1.0441.0448.927%48.9%51.073%51.1%75.652174%4.759229%75.652174%75.7%1.7571.7636.278%36.3%63.722%63.7%

Map of Age Cohorts by Tract in the Northwest Township

Children Age Cohorts by Tract#5

Percentage of population aged 0 to 17 (%):
3.1%7.6%12.1%16.6%21.1%25.7%

College Age Cohorts by Tract#6

Percentage of population aged 18 to 21 (%):
0.0%1.2%2.3%3.5%4.7%5.9%

20s Age Cohorts by Tract#7

Percentage of population aged 22 to 29 (%):
7.8%10.1%12.2%14.4%16.6%18.8%

30s Age Cohorts by Tract#8

Percentage of population aged 30 to 39 (%):
7.0%8.9%10.9%12.8%14.8%16.7%

40s Age Cohorts by Tract#9

Percentage of population aged 40 to 49 (%):
1.9%4.4%6.9%9.3%11.8%14.3%

50s Age Cohorts by Tract#10

Percentage of population aged 50 to 59 (%):
10.1%13.9%17.7%21.6%25.4%29.2%

60s Age Cohorts by Tract#11

Percentage of population aged 60 to 69 (%):
6%12%17%22%27%32%

70s Age Cohorts by Tract#12

Percentage of population aged 70 to 79 (%):
2.1%3.5%4.9%6.2%7.6%9.0%

80+ Age Cohorts by Tract#13

Percentage of population aged 80 and older (%):
1.1%3.0%4.7%6.5%8.2%10.0%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in the Northwest Township

Children Age Cohorts by Block Group#14

Percentage of population aged 0 to 17 (%):
3%13%22%32%42%52%

College Age Cohorts by Block Group#15

Percentage of population aged 18 to 21 (%):
0.0%1.7%3.4%5.1%6.8%8.5%

20s Age Cohorts by Block Group#16

Percentage of population aged 22 to 29 (%):
4.6%9.3%14.0%18.7%23.4%28.1%

30s Age Cohorts by Block Group#17

Percentage of population aged 30 to 39 (%):
0%6%12%18%24%31%

40s Age Cohorts by Block Group#18

Percentage of population aged 40 to 49 (%):
1.9%5.6%9.2%12.8%16.4%20.1%

50s Age Cohorts by Block Group#19

Percentage of population aged 50 to 59 (%):
0%6%12%18%23%30%

60s Age Cohorts by Block Group#20

Percentage of population aged 60 to 69 (%):
4%10%15%21%26%32%

70s Age Cohorts by Block Group#21

Percentage of population aged 70 to 79 (%):
0.0%3.8%7.5%11.3%15.1%18.9%

80+ Age Cohorts by Block Group#22

Percentage of population aged 80 and older (%):
0%7%14%21%29%36%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in the St. Louis Area

There are 238 county subdivisions in the St. Louis Area. This section compares the Northwest Township to the 50 most populous county subdivisions in the St. Louis Area and to those entities that contain or substantially overlap with the Northwest Township. The least populous of the compared county subdivisions has a population of 24,170.

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of the Northwest Township, selected other county subdivisions in the St. Louis Area, and entities that contain the Northwest Township
0%10%20%30%Count#St. Ferdinand TownshipSt. FerdinandNorwood TownshipNorwoodWeldon Spring TownshipWeldon SpgBoone TownshipBooneEast St. Louis TownshipE St. LouisWentzville TownshipWentzvilleDardenne TownshipDardenneCentreville TownshipCentrevilleImperial TownshipImperialO'Fallon TownshipO'FallonRock TownshipWildhorse TownshipWildhorseLake St. Louis TownshipLk St. LouisCottleville TownshipCottlevilleMeramec TownshipMeramecLewis and Clark TownshipLewis and ClarkFlorissant TownshipFlorissantChesterfield TownshipChesterfieldAlton TownshipAltonJefferson TownshipJeffersonO'Fallon TownshipO'FallonAirport TownshipAirportWest North CentralSpanish Lake TownshipSpanish LkMidwestFerguson TownshipFergusonUniversity TownshipUnivUnited States of AmericaUnited StatesMissouriBonhomme TownshipBonhommeSt. Louis Metro AreaSt. LouisSt. Louis CountySt. LouisBelleville TownshipBellevilleLafayette TownshipLafayetteSt. Clair TownshipSt. ClairNormandy TownshipNormandyCaseyville TownshipCaseyvilleGranite City TownshipGranite CityMidland TownshipMidlandMaryland Heights TownshipMaryland HtsClayton TownshipClaytonEdwardsville TownshipEdwardsvilleMissouri River TownshipMissouri RivGravois TownshipGravoisWood River TownshipWood RivQueeny TownshipQueenyFrontier TownshipFrontierCreve Coeur TownshipCreve CoeurCollinsville TownshipCollinsvilleSt. LouisOakville TownshipOakvilleLemay TownshipLemayNorthwest TownshipNWConcord TownshipConcordTesson Ferry TownshipTesson FerryHadley TownshipHadley30.439633%30.439633%30.4%10,09510.1k129.395973%29.395973%29.4%9,855228.496982%28.496982%28.5%7,601328.080750%28.080750%28.1%13,60413.6k427.690696%27.690696%27.7%7,402527.685196%27.685196%27.7%12,27712.3k627.398705%27.398705%27.4%7,276727.389917%27.389917%27.4%6,693827.253507%27.253507%27.3%6,703926.090754%26.090754%26.1%6,8711026.063348%26.063348%26.1%8,3521125.720877%25.720877%25.7%9,5891225.667564%25.667564%25.7%7,4401325.589574%25.589574%25.6%6,1851425.543126%25.543126%25.5%9,8411525.262308%25.262308%25.3%9,7031625.022072%25.022072%25.0%8,7861724.937040%24.937040%24.9%10,00110.0k1824.356946%24.356946%24.4%6,6191923.953089%23.953089%24.0%8,5172023.929214%23.929214%23.9%6,7882123.736283%23.736283%23.7%8,2412223.689691%23.689691%23.7%4,971,0164.97M23.260857%23.260857%23.3%8,2592323.217458%23.217458%23.2%15,712,75815.7M23.212913%23.212913%23.2%7,8522423.145510%23.145510%23.1%7,5542523.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M23.013276%23.013276%23.0%8,5112622.816573%22.816573%22.8%639,651640k22.432138%22.432138%22.4%224,447224k22.413349%22.413349%22.4%9,5772722.230409%22.230409%22.2%7,5432822.054610%22.054610%22.1%7,8512921.985501%21.985501%22.0%6,9453021.737199%21.737199%21.7%6,8523121.707436%21.707436%21.7%5,7773221.659675%21.659675%21.7%7,5383321.376130%21.376130%21.4%8,0653421.371960%21.371960%21.4%7,8203521.223815%21.223815%21.2%8,0853621.120653%21.120653%21.1%7,4033721.073373%21.073373%21.1%7,4333821.050248%21.050248%21.1%6,5063920.993619%20.993619%21.0%7,9954020.830068%20.830068%20.8%5,5814120.457999%20.457999%20.5%7,5404220.320960%20.320960%20.3%7,3194320.242382%20.242382%20.2%63,97264.0k4419.495687%19.495687%19.5%7,3454519.482990%19.482990%19.5%6,9644619.358267%19.358267%19.4%5,8284719.138870%19.138870%19.1%7,2414817.057008%17.057008%17.1%6,7444915.226110%15.226110%15.2%5,23950

Age Cohorts by County Subdivision in Missouri

There are 1,395 county subdivisions in Missouri. This section compares the Northwest Township to the 50 most populous county subdivisions in Missouri and to those entities that contain or substantially overlap with the Northwest Township. The least populous of the compared county subdivisions has a population of 30,106.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of the Northwest Township, selected other county subdivisions in Missouri, and entities that contain the Northwest Township
0%10%20%30%Count#St. Ferdinand TownshipSt. FerdinandNorwood TownshipNorwoodLiberty TownshipLibertySni-A-Bar TownshipSni-A-BarBoone TownshipBooneWentzville TownshipWentzvillePrairie TownshipPrairieWashington TownshipWashingtonRock TownshipWildhorse TownshipWildhorseMeramec TownshipMeramecLewis and Clark TownshipLewis and ClarkFlorissant TownshipFlorissantChesterfield TownshipChesterfieldBrooking TownshipBrookingChouteau TownshipChouteauBlue TownshipJefferson TownshipJeffersonAirport TownshipAirportWest North CentralJefferson TownshipJeffersonSpanish Lake TownshipSpanish LkMidwestFerguson TownshipFergusonUniversity TownshipUnivUnited States of AmericaUnited StatesMissouriBonhomme TownshipBonhommeWashington TownshipWashingtonSt. Louis Metro AreaSt. LouisMissouri TownshipMissouriCullen TownshipCullenSt. Louis CountySt. LouisLafayette TownshipLafayetteJoplin TownshipJoplinNormandy TownshipNormandyMidland TownshipMidlandMaryland Heights TownshipMaryland HtsClayton TownshipClaytonMissouri River TownshipMissouri RivGravois TownshipGravoisQueeny TownshipQueenyGallatin TownshipGallatinSt. Francois TownshipSt. FrancoisCreve Coeur TownshipCreve CoeurSt. LouisOakville TownshipOakvilleLemay TownshipLemayNorthwest TownshipNWConcord TownshipConcordCape Girardeau TownshipCape GirardeauKaw TownshipSpringfield TownshipSpringfieldTesson Ferry TownshipTesson FerryColumbia TownshipColumbiaHadley TownshipHadley30.439633%30.439633%30.4%10,09510.1k129.395973%29.395973%29.4%9,855228.562795%28.562795%28.6%17,48717.5k328.411684%28.411684%28.4%23,52823.5k428.080750%28.080750%28.1%13,60413.6k527.685196%27.685196%27.7%12,27712.3k627.391148%27.391148%27.4%28,24028.2k727.128626%27.128626%27.1%20,45220.5k826.063348%26.063348%26.1%8,352925.720877%25.720877%25.7%9,5891025.543126%25.543126%25.5%9,8411125.262308%25.262308%25.3%9,7031225.022072%25.022072%25.0%8,7861324.937040%24.937040%24.9%10,00110.0k1424.906925%24.906925%24.9%19,46819.5k1524.653875%24.653875%24.7%13,10613.1k1624.112045%24.112045%24.1%38,03038.0k1723.953089%23.953089%24.0%8,5171823.736283%23.736283%23.7%8,2411923.689691%23.689691%23.7%4,971,0164.97M23.288659%23.288659%23.3%12,59812.6k2023.260857%23.260857%23.3%8,2592123.217458%23.217458%23.2%15,712,75815.7M23.212913%23.212913%23.2%7,8522223.145510%23.145510%23.1%7,5542323.108006%23.108006%23.1%73,612,43873.6M23.023174%23.023174%23.0%1,395,1241.40M23.013276%23.013276%23.0%8,5112422.881818%22.881818%22.9%18,04318.0k2522.816573%22.816573%22.8%639,651640k22.743202%22.743202%22.7%14,01814.0k2622.598926%22.598926%22.6%9,0522722.432138%22.432138%22.4%224,447224k22.230409%22.230409%22.2%7,5432822.099868%22.099868%22.1%9,5732921.985501%21.985501%22.0%6,9453021.659675%21.659675%21.7%7,5383121.376130%21.376130%21.4%8,0653221.371960%21.371960%21.4%7,8203321.120653%21.120653%21.1%7,4033421.073373%21.073373%21.1%7,4333520.993619%20.993619%21.0%7,9953620.890869%20.890869%20.9%14,53914.5k3720.687294%20.687294%20.7%6,3453820.457999%20.457999%20.5%7,5403920.242382%20.242382%20.2%63,97264.0k4019.495687%19.495687%19.5%7,3454119.482990%19.482990%19.5%6,9644219.358267%19.358267%19.4%5,8284319.138870%19.138870%19.1%7,2414419.054112%19.054112%19.1%7,9654518.240862%18.240862%18.2%31,31531.3k4618.124235%18.124235%18.1%29,93029.9k4717.057008%17.057008%17.1%6,7444815.570648%15.570648%15.6%10,34010.3k4915.226110%15.226110%15.2%5,23950