Age and Sex in Blackfeet Reservation West, Pondera County, Montana (Census County Division)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the county subdivisions in Pondera County.
Scope: population of Pondera County, Blackfeet Reservation West, and other county subdivisions in Pondera County
Blackfeet Reservation West
0.0%0.5%1.0%1.5%2.0%2.5%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-400.000%0%40.499%0.50%80.999%1.00%80.999%1.00%111.373%1.37%111.373%1.37%212.622%2.62%182.247%2.25%566.991%6.99%688.489%8.49%496.117%6.12%212.622%2.62%273.371%3.37%404.994%4.99%647.990%7.99%344.245%4.24%101.248%1.25%172.122%2.12%313.870%3.87%404.994%4.99%10312.859%12.9%8710.861%10.9%739.114%9.11%
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 Pondera County and Blackfeet Reservation West
Female Male
Pondera County
Blackfeet Reservation West
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%Senior2Older Adult3Younger Adult4College5Children6-0.062422%-0.020807%-0.255884%-0.034238%-0.083229%0.08%0.062422%0.255884%0.062422%0.06%425.243%5.24%-0.554307%-0.652611%-0.009082%-0.554307%0.55%0.554307%0.054931%0.652611%0.609238%0.61%23329.089%29.1%-0.561798%-0.020807%-0.500054%-0.028832%-0.582605%0.58%0.561798%0.500054%0.561798%0.56%16520.599%20.6%-0.780275%-0.466267%-0.780275%0.78%0.780275%0.249688%0.466267%0.158125%1.029963%1.03%587.241%7.24%-0.971008%-0.630699%-0.971008%0.97%0.971008%0.159523%0.630699%0.105417%1.130531%1.13%30337.828%37.8%
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 Pondera County and Blackfeet Reservation West
Female Male
Pondera County
Blackfeet Reservation West
Shaded bar tips show excess over facing bar.
1%0%1%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.000000%-0.103390%-0.090212%0.000000%0.0%0.000000%0.000000%0.103390%0.000000%0.0%00.000%0%-0.000000%-0.204346%-0.071359%0.000000%0.0%0.000000%0.099875%0.204346%0.099875%0.1%40.499%0.50%-0.074906%-0.049938%-0.191372%-0.124844%0.1%0.074906%0.191372%0.045410%0.074906%0.1%80.999%1.00%-0.074906%-0.353552%-0.074906%0.1%0.074906%0.049938%0.353552%0.139475%0.124844%0.1%80.999%1.00%-0.166459%-0.124844%-0.567629%-0.291303%0.3%0.166459%0.567629%0.086496%0.166459%0.2%111.373%1.37%-0.124844%-0.436954%-0.462212%-0.308141%-0.561798%0.6%0.124844%0.462212%0.124844%0.1%111.373%1.37%-0.416146%-0.041615%-0.567629%-0.032436%-0.457761%0.5%0.416146%0.567629%0.416146%0.4%212.622%2.62%-0.561798%-0.754136%-0.561798%0.6%0.561798%0.000000%0.754136%0.373013%0.561798%0.6%182.247%2.25%-0.624220%-0.664937%-0.107039%-0.624220%0.6%0.624220%0.149813%0.664937%0.774032%0.8%566.991%6.99%-0.799001%-0.099875%-0.733052%-0.016218%-0.898876%0.9%0.799001%0.733052%0.799001%0.8%688.489%8.49%-0.449438%-0.535193%-0.006487%-0.449438%0.4%0.449438%0.324594%0.535193%0.774032%0.8%496.117%6.12%-0.224719%-0.074906%-0.538437%-0.045410%-0.299625%0.3%0.224719%0.538437%0.224719%0.2%212.622%2.62%-0.274657%-0.124844%-0.480052%-0.399501%0.4%0.274657%0.480052%0.003244%0.274657%0.3%273.371%3.37%-0.349563%-0.512488%-0.349563%0.3%0.349563%0.299625%0.512488%0.003244%0.649189%0.6%404.994%4.99%-0.774032%-0.535193%-0.774032%0.8%0.774032%0.049938%0.535193%0.038923%0.823970%0.8%647.990%7.99%-0.457761%-0.499376%-0.378419%-0.248676%-0.957137%1.0%0.457761%0.378419%0.457761%0.5%344.245%4.24%-0.499376%-0.405449%-0.499376%0.5%0.499376%0.249688%0.405449%0.064872%0.749064%0.7%101.248%1.25%-0.374532%-0.259488%-0.374532%0.4%0.374532%1.373283%0.259488%0.437885%1.747815%1.7%172.122%2.12%-0.811486%-0.312110%-0.600065%-1.123596%1.1%0.811486%0.600065%0.064872%0.811486%0.8%313.870%3.87%-0.707449%-0.383825%-0.707449%0.7%0.707449%0.249688%0.383825%0.621689%0.957137%1.0%404.994%4.99%-1.173533%-0.661693%-1.173533%1.2%1.173533%0.224719%0.661693%0.058385%1.398252%1.4%10312.859%12.9%-1.023720%-0.638988%-0.084333%-1.023720%1.0%1.023720%0.124844%0.638988%1.148564%1.1%8710.861%10.9%-0.873908%-0.655206%-0.873908%0.9%0.873908%0.074906%0.655206%0.032436%0.948814%0.9%739.114%9.11%
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 Pondera County and Blackfeet Reservation West
More Females More Males
Pondera County
Blackfeet Reservation West
200%0%200%M:FFM75-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-66.666667%-66.666667%66.7%23.728814%0.6000.6062.500%62.5%37.500%37.5%66.666667%39.449541%66.666667%66.7%1.6671.6737.500%37.5%62.500%62.5%-75.000000%-75.000000%75.0%15.238095%0.5710.5763.636%63.6%36.364%36.4%-350.000000%-66.666667%-350.000000%350.0%0.2220.2281.818%81.8%18.182%18.2%-10.000000%-5.714286%-10.000000%10.0%0.9090.9152.381%52.4%47.619%47.6%0.000000%0.000000%0.0%49.462366%1.0001.0050.000%50.0%50.000%50.0%-16.097561%24.000000%24.000000%24.0%1.2401.2444.643%44.6%55.357%55.4%-12.500000%-2.212389%-12.500000%12.5%0.8890.8952.941%52.9%47.059%47.1%-1.212121%72.222222%72.222222%72.2%1.7221.7236.735%36.7%63.265%63.3%-33.333333%-8.433735%-33.333333%33.3%0.7500.7557.143%57.1%42.857%42.9%-45.454545%-45.454545%45.5%0.675676%0.6880.6959.259%59.3%40.741%40.7%85.714286%0.632911%85.714286%85.7%1.8571.8635.000%35.0%65.000%65.0%6.451613%7.272727%6.451613%6.5%1.0651.0648.438%48.4%51.563%51.6%-109.090909%-65.714286%-109.090909%109.1%0.4780.4867.647%67.6%32.353%32.4%50.000000%16.000000%50.000000%50.0%1.5001.5040.000%40.0%60.000%60.0%366.666667%168.750000%366.666667%366.7%4.6674.6717.647%17.6%82.353%82.4%-38.461538%-38.461538%38.5%10.810811%0.7220.7258.065%58.1%41.935%41.9%35.294118%161.971831%35.294118%35.3%1.3531.3542.500%42.5%57.500%57.5%19.148936%8.823529%19.148936%19.1%1.1911.1945.631%45.6%54.369%54.4%-13.197970%12.195122%12.195122%12.2%1.1221.1247.126%47.1%52.874%52.9%8.571429%4.950495%8.571429%8.6%1.0861.0947.945%47.9%52.055%52.1%
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 in Blackfeet Reservation West

Children Age Cohorts by Block#5

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

College Age Cohorts by Block#6

Percentage of population aged 18 to 21 (%):
0%10%20%30%40%50%

20s Age Cohorts by Block#7

Percentage of population aged 22 to 29 (%):
0%8%16%24%32%40%

30s Age Cohorts by Block#8

Percentage of population aged 30 to 39 (%):
0%10%20%30%40%50%

40s Age Cohorts by Block#9

Percentage of population aged 40 to 49 (%):
0%13%25%38%50%63%

50s Age Cohorts by Block#10

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

60s Age Cohorts by Block#11

Percentage of population aged 60 to 69 (%):
0%10%20%30%40%50%

70s Age Cohorts by Block#12

Percentage of population aged 70 to 79 (%):
0%13%27%40%53%67%

80+ Age Cohorts by Block#13

Percentage of population aged 80 and older (%):
0%10%20%30%40%50%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in Montana

There are 194 county subdivisions in Montana. This section compares Blackfeet Reservation West to the 50 most populous county subdivisions in Montana and to those entities that contain or substantially overlap with Blackfeet Reservation West. The least populous of the compared county subdivisions has a population of 3,655.

Children by County Subdivision#14

Percentage of population aged 0 to 17 (%):
Scope: population of Blackfeet Reservation West, selected other county subdivisions in Montana, and entities that contain Blackfeet Reservation West
0%10%20%30%Count#Heart Butte K-12 SchoolsHeart Butte K-12Blackfeet Reservation WestBlackfeet Reserv…977200-1B.G. 977200-1Crow ReservationCut BankFort Peck ReservationFort Peck Reserva…HardinBlackfeet ReservationBlackfeet Reservat…977200Tract 977200BelgradeShepherdFlathead ReservationNorthwest YellowstoneNW YellowstoneColumbusManhattanLincolnHavreKalispellMountainLaurelGallatin GatewayPondera CountyPonderaKalispell NorthwestKalispell NWSidneyWestFrenchtown-WyeBillingsUnited States of AmericaUnited StatesSouth YellowstoneS YellowstoneBoulderGlasgowConradColumbia FallsCreston-BigforkGreat FallsGlendiveStevensvilleMontanaHuntley ProjectHelenaLewistownMiles CityLoloEurekaHamiltonThompson Falls-West EndThompson Falls-W …Bad Rock-Columbia HeightsBad Rock-Columbi…ButteLakeside-SomersShelbyDillonLivingstonMissoulaWhitefishLibbyBozemanAnacondaRed LodgeDeer Lodge37.827715%37.827715%37.8%30337.827715%37.827715%37.8%30336.961451%36.961451%37.0%32633.794764%33.794764%33.8%2,246133.597811%33.597811%33.6%1,228232.715330%32.715330%32.7%3,088332.169269%32.169269%32.2%1,566431.016150%31.016150%31.0%3,092527.889908%27.889908%27.9%60827.101008%27.101008%27.1%6,772627.047038%27.047038%27.0%1,242726.041747%26.041747%26.0%6,787826.020408%26.020408%26.0%2,091925.781626%25.781626%25.8%1,0721025.649553%25.649553%25.6%1,2341125.449871%25.449871%25.4%1,5841225.162031%25.162031%25.2%3,0671324.899838%24.899838%24.9%10,44110.4k1424.709269%24.709269%24.7%5,732,5615.73M24.644863%24.644863%24.6%4,4761524.627588%24.627588%24.6%1,2731624.602660%24.602660%24.6%1,51724.046046%24.046046%24.0%1,1281723.981271%23.981271%24.0%1,8951823.760486%23.760486%23.8%17,834,66617.8M23.668639%23.668639%23.7%1,6801923.160383%23.160383%23.2%26,06426.1k2023.108006%23.108006%23.1%73,612,43873.6M23.062115%23.062115%23.1%1,7972123.029557%23.029557%23.0%1,8702222.976055%22.976055%23.0%1,2092322.804817%22.804817%22.8%9092422.598334%22.598334%22.6%2,1432522.488693%22.488693%22.5%2,1382622.487257%22.487257%22.5%15,83815.8k2722.435134%22.435134%22.4%1,8852822.419101%22.419101%22.4%3,2772921.987686%21.987686%22.0%225,020225k21.863613%21.863613%21.9%8403021.704920%21.704920%21.7%12,30312.3k3121.698113%21.698113%21.7%2,0013221.689540%21.689540%21.7%2,3393321.530084%21.530084%21.5%3,2423421.376518%21.376518%21.4%1,3203520.446312%20.446312%20.4%4,2333620.286358%20.286358%20.3%1,2613720.200602%20.200602%20.2%1,0073819.999404%19.999404%20.0%6,7113919.952494%19.952494%20.0%1,0924019.721067%19.721067%19.7%8064119.477172%19.477172%19.5%1,5874218.935476%18.935476%18.9%2,3804318.721635%18.721635%18.7%16,21216.2k4418.709336%18.709336%18.7%2,4734518.404588%18.404588%18.4%1,7654616.753237%16.753237%16.8%9,2894716.490513%16.490513%16.5%1,2954816.359387%16.359387%16.4%6304913.239075%13.239075%13.2%72150
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the West

There are 1,950 county subdivisions in the West. This section compares Blackfeet Reservation West to the 50 most populous county subdivisions in the West and to those entities that contain or substantially overlap with Blackfeet Reservation West. The least populous of the compared county subdivisions has a population of 323,012.

Children by County Subdivision#23

Percentage of population aged 0 to 17 (%):
Scope: population of Blackfeet Reservation West, selected other county subdivisions in the West, and entities that contain Blackfeet Reservation West
0%10%20%30%Count#Heart Butte K-12 SchoolsHeart Butte K-12Blackfeet Reservation WestBlackfeet Reserv…977200-1B.G. 977200-1BakersfieldVictorville-HesperiaSouth Gate-East Los AngelesS Gate-E Los Ang…San BernardinoChandlerFresnoStockton977200Tract 977200Salt Lake CitySalt Lk CityModestoComptonRiversideSouth AuroraInglewoodDowney-NorwalkPhoenixMountainOntarioPondera CountyPonderaBoise CityAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…Beaverton-HillsboroSacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasEwaWestOceanside-EscondidoOceanside-Escond…San MateoWhittierColorado SpringsColorado SpgsUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlyFremontUpper San Gabriel ValleyUpper San Gabriel …Seattle EastTacomaSpokaneHaywardMontanaSan DiegoCentral Contra CostaCntrl Contra CostaSan Fernando ValleySan Fernando VlyTucsonNortheast JeffersonNE JeffersonLos AngelesDenverOaklandNorth CoastPortland EastSouthwest San Gabriel ValleySW San Gabriel VlySeattleHonoluluSan Francisco37.827715%37.827715%37.8%30337.827715%37.827715%37.8%30336.961451%36.961451%37.0%32630.255492%30.255492%30.3%124,377124k129.435174%29.435174%29.4%111,612112k229.165936%29.165936%29.2%146,441146k328.994345%28.994345%29.0%243,195243k428.984100%28.984100%29.0%121,788122k528.397448%28.397448%28.4%196,566197k628.302745%28.302745%28.3%99,59099.6k727.889908%27.889908%27.9%60827.496527%27.496527%27.5%270,755271k827.298986%27.298986%27.3%88,17988.2k927.269923%27.269923%27.3%95,47895.5k1025.927237%25.927237%25.9%123,053123k1125.535072%25.535072%25.5%98,09498.1k1225.154719%25.154719%25.2%94,09594.1k1325.088958%25.088958%25.1%105,268105k1424.820142%24.820142%24.8%790,766791k1524.709269%24.709269%24.7%5,732,5615.73M24.651051%24.651051%24.7%158,701159k1624.602660%24.602660%24.6%1,51724.573713%24.573713%24.6%83,11183.1k1724.485581%24.485581%24.5%415,583416k1824.260613%24.260613%24.3%104,522105k1924.105398%24.105398%24.1%270,060270k2024.003737%24.003737%24.0%138,756139k2123.974603%23.974603%24.0%448,315448k2223.870694%23.870694%23.9%81,44881.4k2323.760486%23.760486%23.8%17,834,66617.8M23.555887%23.555887%23.6%155,230155k2423.297112%23.297112%23.3%94,14294.1k2523.292335%23.292335%23.3%75,73275.7k2623.163415%23.163415%23.2%91,42691.4k2723.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2822.866327%22.866327%22.9%401,701402k2922.814001%22.814001%22.8%218,249218k3022.761568%22.761568%22.8%78,49678.5k3122.722312%22.722312%22.7%75,16775.2k3222.721955%22.721955%22.7%133,247133k3322.639000%22.639000%22.6%100,255100k3422.471811%22.471811%22.5%81,45281.5k3522.418273%22.418273%22.4%86,88086.9k3621.987686%21.987686%22.0%225,020225k21.982996%21.982996%22.0%523,203523k3721.890089%21.890089%21.9%108,396108k3821.633042%21.633042%21.6%398,263398k3921.517750%21.517750%21.5%188,032188k4020.944454%20.944454%20.9%98,64098.6k4120.884750%20.884750%20.9%537,723538k4220.705017%20.705017%20.7%137,337137k4320.278714%20.278714%20.3%88,08188.1k4419.605378%19.605378%19.6%74,22474.2k4519.507968%19.507968%19.5%96,00396.0k4619.084224%19.084224%19.1%61,84361.8k4717.999155%17.999155%18.0%187,875188k4817.885770%17.885770%17.9%71,80671.8k4913.481174%13.481174%13.5%114,628115k50
Count number of children
# rank of county subdivision out of 50 by %

Age Cohorts by County Subdivision in the United States

There are 35,600 county subdivisions in the United States. This section compares Blackfeet Reservation West to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with Blackfeet Reservation West. The least populous of the compared county subdivisions has a population of 547,300.

Children by County Subdivision#32

Percentage of population aged 0 to 17 (%):
Scope: population of Blackfeet Reservation West, selected other county subdivisions in the United States, and entities that contain Blackfeet Reservation West
0%10%20%30%Count#Heart Butte K-12 SchoolsHeart Butte K-12Blackfeet Reservation WestBlackfeet Reserv…977200-1B.G. 977200-1San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresno977200Tract 977200Fort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixMountainOntarioPondera CountyPonderaTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasWestOceanside-EscondidoOceanside-Escond…BrooklynUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaMontanaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensAtlantaMiamiSeattleWashingtonBostonManhattanSan Francisco37.827715%37.827715%37.8%30337.827715%37.827715%37.8%30336.961451%36.961451%37.0%32628.994345%28.994345%29.0%243,195243k128.849273%28.849273%28.8%278,686279k228.832103%28.832103%28.8%215,729216k328.397448%28.397448%28.4%196,566197k427.889908%27.889908%27.9%60827.641788%27.641788%27.6%235,492235k527.496527%27.496527%27.5%270,755271k626.987978%26.987978%27.0%154,609155k726.725236%26.725236%26.7%882,854883k826.475933%26.475933%26.5%158,504159k926.202297%26.202297%26.2%183,823184k1026.125729%26.125729%26.1%143,291143k1125.730246%25.730246%25.7%398,059398k1225.573137%25.573137%25.6%367,431367k1325.541202%25.541202%25.5%139,787140k1425.334430%25.334430%25.3%150,050150k1525.218343%25.218343%25.2%172,353172k1624.820142%24.820142%24.8%790,766791k1724.709269%24.709269%24.7%5,732,5615.73M24.651051%24.651051%24.7%158,701159k1824.602660%24.602660%24.6%1,51724.540635%24.540635%24.5%198,493198k1924.485581%24.485581%24.5%415,583416k2024.105398%24.105398%24.1%270,060270k2124.003737%24.003737%24.0%138,756139k2223.974603%23.974603%24.0%448,315448k2323.760486%23.760486%23.8%17,834,66617.8M23.555887%23.555887%23.6%155,230155k2423.337305%23.337305%23.3%608,369608k2523.108006%23.108006%23.1%73,612,43873.6M23.033158%23.033158%23.0%147,927148k2622.866327%22.866327%22.9%401,701402k2722.814001%22.814001%22.8%218,249218k2822.721955%22.721955%22.7%133,247133k2922.597144%22.597144%22.6%185,081185k3022.467309%22.467309%22.5%172,708173k3122.237882%22.237882%22.2%129,541130k3222.168125%22.168125%22.2%345,809346k3321.987686%21.987686%22.0%225,020225k21.982996%21.982996%22.0%523,203523k3421.913385%21.913385%21.9%594,733595k3521.700117%21.700117%21.7%144,592145k3621.692326%21.692326%21.7%186,313186k3721.633042%21.633042%21.6%398,263398k3821.517750%21.517750%21.5%188,032188k3921.123671%21.123671%21.1%131,178131k4020.884750%20.884750%20.9%537,723538k4120.705017%20.705017%20.7%137,337137k4220.470812%20.470812%20.5%472,878473k4319.876571%19.876571%19.9%115,302115k4419.544858%19.544858%19.5%188,182188k4517.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4716.549062%16.549062%16.5%108,939109k4814.639548%14.639548%14.6%239,355239k4913.481174%13.481174%13.5%114,628115k50
Count number of children
# rank of county subdivision 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:
Montana
County:
Pondera
Unincorporated Place:
Heart Butte
ZIP Codes:
59448, 59486
Unified School District:
Heart Butte K-12
Elementary School District:
Dupuyer
Secondary School District:
Valier
Congressional District:
MT-At Large
State Senate District:
MT-8
State House District:
MT-15