Age and Sex in Mad River, Trinity County, California (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 Trinity County.
Scope: population of Trinity County, Mad River, and other county subdivisions in Trinity County
Mad River
0%1%2%3%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4172.136%2.14%50.628%0.63%334.146%4.15%394.899%4.90%162.010%2.01%222.764%2.76%779.673%9.67%101.256%1.26%607.538%7.54%14718.467%18.5%30.377%0.38%273.392%3.39%8410.553%10.6%313.894%3.89%465.779%5.78%00.000%0%00.000%0%00.000%0%273.392%3.39%182.261%2.26%283.518%3.52%425.276%5.28%648.040%8.04%
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 Trinity County and Mad River
Female Male
Trinity County
Mad River
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.177973%-0.325830%-0.177973%0.18%0.177973%0.104690%0.325830%0.018757%0.282663%0.28%13216.583%16.6%-0.783920%-0.060302%-0.761457%-0.844221%0.84%0.783920%0.761457%0.038847%0.783920%0.78%32440.704%40.7%-0.544389%-0.427837%-0.010959%-0.544389%0.54%0.544389%0.034897%0.427837%0.579285%0.58%16120.226%20.2%-0.000000%-0.335736%0.000000%0.00%0.000000%0.847990%0.335736%0.314871%0.847990%0.85%273.392%3.39%-0.481575%-0.097711%-0.472939%-0.013910%-0.579285%0.58%0.481575%0.472939%0.481575%0.48%15219.095%19.1%
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 Trinity County and Mad River
Female Male
Trinity County
Mad River
Shaded bar tips show excess over facing bar.
2%1%0%1%2%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.039259%-0.054962%-0.075873%-0.009958%-0.094221%0.1%0.039259%0.075873%0.039259%0.0%172.136%2.14%-0.025126%-0.250379%-0.104704%-0.025126%0.0%0.025126%0.075377%0.250379%0.100503%0.1%50.628%0.63%-0.301508%-0.402124%-0.301508%0.3%0.301508%0.226131%0.402124%0.034901%0.527638%0.5%334.146%4.15%-0.301508%-0.482549%-0.301508%0.3%0.301508%0.376884%0.482549%0.112291%0.678392%0.7%394.899%4.90%-0.293132%-0.859889%-0.293132%0.3%0.293132%0.083752%0.859889%0.073343%0.376884%0.4%162.010%2.01%-0.439698%-0.789074%-0.439698%0.4%0.439698%0.502513%0.789074%0.201062%0.942211%0.9%222.764%2.76%-1.130653%-1.062215%-1.130653%1.1%1.130653%0.963149%1.062215%0.179565%2.093802%2.1%779.673%9.67%-0.000000%-0.628141%-0.842185%-0.098634%-0.628141%0.6%0.000000%0.842185%0.000000%0.0%101.256%1.26%-0.577889%-0.351759%-0.846737%-0.122914%-0.929648%0.9%0.577889%0.846737%0.577889%0.6%607.538%7.54%-1.683417%-0.326633%-0.745068%-2.010050%2.0%1.683417%0.745068%0.016692%1.683417%1.7%14718.467%18.5%-0.000000%-0.075377%-0.566009%-0.075377%0.1%0.000000%0.566009%0.128983%0.000000%0.0%30.377%0.38%-0.276382%-0.512898%-0.276382%0.3%0.276382%0.125628%0.512898%0.103187%0.402010%0.4%273.392%3.39%-1.005025%-0.100503%-0.479514%-0.194234%-1.105528%1.1%1.005025%0.479514%1.005025%1.0%8410.553%10.6%-0.150754%-0.477387%-0.432473%-0.628141%0.6%0.150754%0.432473%0.071320%0.150754%0.2%313.894%3.89%-0.226131%-0.311077%-0.226131%0.2%0.226131%0.703518%0.311077%0.110774%0.929648%0.9%465.779%5.78%-0.000000%-0.225089%-0.045524%0.000000%0.0%0.000000%0.000000%0.225089%0.000000%0.0%00.000%0%-0.000000%-0.015175%-0.591806%0.000000%0.0%0.000000%0.000000%0.015175%0.000000%0.0%00.000%0%-0.000000%-0.022762%0.000000%0.0%0.000000%0.000000%0.022762%0.804249%0.000000%0.0%00.000%0%-0.000000%-0.356601%0.000000%0.0%0.000000%1.695980%0.356601%0.523520%1.695980%1.7%273.392%3.39%-0.000000%-0.538695%-0.010116%0.000000%0.0%0.000000%0.753769%0.538695%0.753769%0.8%182.261%2.26%-0.100503%-0.383915%-0.100503%0.1%0.100503%0.502513%0.383915%0.227618%0.603015%0.6%283.518%3.52%-0.276382%-0.502513%-0.300455%-0.324734%-0.778894%0.8%0.276382%0.300455%0.276382%0.3%425.276%5.28%-0.402010%-0.804020%-0.414264%-1.206030%1.2%0.402010%0.414264%0.053111%0.402010%0.4%648.040%8.04%
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 Trinity County and Mad River
More Females More Males
Trinity County
Mad River
1,000%500%0%500%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2910-145-90-4-140.000000%-13.125000%-140.000000%140.0%0.4170.4270.588%70.6%29.412%29.4%-41.818182%300.000000%300.000000%300.0%4.0004.0020.000%20.0%80.000%80.0%75.000000%8.679245%75.000000%75.0%1.7501.7536.364%36.4%63.636%63.6%125.000000%23.270440%125.000000%125.0%2.2502.2530.769%30.8%69.231%69.2%28.571429%8.529412%28.571429%28.6%1.2861.2943.750%43.8%56.250%56.3%114.285714%25.480769%114.285714%114.3%2.1432.1431.818%31.8%68.182%68.2%85.185185%16.904762%85.185185%85.2%1.8521.8535.065%35.1%64.935%64.9%-1,000.000000%-11.711712%-1,000.000000%> 1000%0.0000100.000%100%0.000%0%-60.869565%-14.516129%-60.869565%60.9%0.6220.6261.667%61.7%38.333%38.3%-19.402985%-19.402985%19.4%2.240326%0.8380.8454.422%54.4%45.578%45.6%-1,000.000000%-1,000.000000%> 1000%22.788204%0.0000100.000%100%0.000%0%45.454545%20.118343%45.454545%45.5%1.4551.4540.741%40.7%59.259%59.3%-10.000000%-40.506329%-10.000000%10.0%0.9090.9152.381%52.4%47.619%47.6%-316.666667%-316.666667%316.7%16.491228%0.2400.2480.645%80.6%19.355%19.4%311.111111%35.609756%311.111111%311.1%4.1114.1119.565%19.6%80.435%80.4%500.000000%59.288538%500.000000%500.0%6.0006.0014.286%14.3%85.714%85.7%-181.818182%-108.080808%-181.818182%181.8%0.3550.3573.810%73.8%26.190%26.2%-200.000000%-200.000000%200.0%12.820513%0.3330.3375.000%75.0%25.000%25.0%
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 Block Group in Mad River

Children Age Cohorts by Block Group#5

Percentage of population aged 0 to 17 (%):
14.9%17.1%19.1%21.2%23.3%25.4%

College Age Cohorts by Block Group#6

Percentage of population aged 18 to 21 (%):
1.5%2.2%2.8%3.4%4.0%4.6%

20s Age Cohorts by Block Group#7

Percentage of population aged 22 to 29 (%):
1.2%2.8%4.3%5.7%7.2%8.8%

30s Age Cohorts by Block Group#8

Percentage of population aged 30 to 39 (%):
10.3%12.4%14.5%16.5%18.6%20.7%

40s Age Cohorts by Block Group#9

Percentage of population aged 40 to 49 (%):
3.17%3.37%3.57%3.76%3.96%4.16%

50s Age Cohorts by Block Group#10

Percentage of population aged 50 to 59 (%):
23.1%24.1%25.0%26.0%26.9%27.9%

60s Age Cohorts by Block Group#11

Percentage of population aged 60 to 69 (%):
15.555%15.605%15.653%15.702%15.751%15.801%

70s Age Cohorts by Block Group#12

Percentage of population aged 70 to 79 (%):
5.3%6.6%7.8%9.0%10.2%11.5%

80+ Age Cohorts by Block Group#13

Percentage of population aged 80 and older (%):
2.07%2.43%2.77%3.12%3.46%3.81%
Road Data ©OpenStreetMap

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Age Cohorts by County Subdivision in California

There are 397 county subdivisions in California. This section compares Mad River to the 50 most populous county subdivisions in California and to those entities that contain or substantially overlap with Mad River. The least populous of the compared county subdivisions has a population of 168,048.

Children by County Subdivision#14

Percentage of population aged 0 to 17 (%):
Scope: population of Mad River, selected other county subdivisions in California, and entities that contain Mad River
0%10%20%30%Count#BakersfieldSalinasVictorville-HesperiaSouth Antelope ValleyS Antelope VlySouth Gate-East Los AngelesS Gate-E Los Ang…San BernardinoPerris ValleyMurrietaFresnoStocktonCoachella ValleyCoachella VlyNorth Antelope ValleyN Antelope VlyOxnardModestoComptonNewhallCoronaRiversideMission ViejoInglewoodDowney-NorwalkIrvine-Lake ForestIrvine-Lk FrstOntarioLivermore-PleasantonLivermore-Pleasant…Anaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodWestCaliforniaOceanside-EscondidoOceanside-Escond…PacificSan MateoWhittierUnited States of AmericaUnited StatesSan JoseEast San Gabriel ValleyE San Gabriel VlyFremontUpper San Gabriel ValleyUpper San Gabriel …HaywardSanta RosaSan DiegoCentral Contra CostaCntrl Contra CostaWest Contra CostaW Contra CostaSan Fernando ValleySan Fernando VlyLos AngelesPasadenaOaklandSouth CoastNorth CoastSouth San FranciscoS San Francisco000400Tract 000400Mad RiverSouthwest San Gabriel ValleySW San Gabriel VlyCentral CoastTrinity CountyTrinitySanta BarbaraSan Francisco30.255492%30.255492%30.3%124,377124k130.103304%30.103304%30.1%50,58850.6k229.435174%29.435174%29.4%111,612112k329.365511%29.365511%29.4%62,62962.6k429.165936%29.165936%29.2%146,441146k528.994345%28.994345%29.0%243,195243k628.846536%28.846536%28.8%82,74682.7k728.640426%28.640426%28.6%87,94187.9k828.397448%28.397448%28.4%196,566197k928.302745%28.302745%28.3%99,59099.6k1028.227720%28.227720%28.2%53,66453.7k1127.930766%27.930766%27.9%53,54353.5k1227.601989%27.601989%27.6%66,82066.8k1327.298986%27.298986%27.3%88,17988.2k1427.269923%27.269923%27.3%95,47895.5k1526.282485%26.282485%26.3%69,57069.6k1626.216001%26.216001%26.2%48,61648.6k1725.927237%25.927237%25.9%123,053123k1825.710652%25.710652%25.7%59,63259.6k1925.154719%25.154719%25.2%94,09594.1k2025.088958%25.088958%25.1%105,268105k2124.862386%24.862386%24.9%61,96962.0k2224.651051%24.651051%24.7%158,701159k2324.636401%24.636401%24.6%54,95155.0k2424.485581%24.485581%24.5%415,583416k2524.105398%24.105398%24.1%270,060270k2624.003737%24.003737%24.0%138,756139k2723.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.555887%23.555887%23.6%155,230155k2823.336041%23.336041%23.3%12,102,10512.1M23.297112%23.297112%23.3%94,14294.1k2923.292335%23.292335%23.3%75,73275.7k3023.108006%23.108006%23.1%73,612,43873.6M22.866327%22.866327%22.9%401,701402k3122.814001%22.814001%22.8%218,249218k3222.761568%22.761568%22.8%78,49678.5k3322.722312%22.722312%22.7%75,16775.2k3422.418273%22.418273%22.4%86,88086.9k3522.319074%22.319074%22.3%48,24048.2k3621.982996%21.982996%22.0%523,203523k3721.890089%21.890089%21.9%108,396108k3821.643526%21.643526%21.6%55,57355.6k3921.633042%21.633042%21.6%398,263398k4020.884750%20.884750%20.9%537,723538k4120.347629%20.347629%20.3%55,72355.7k4220.278714%20.278714%20.3%88,08188.1k4320.167625%20.167625%20.2%63,67063.7k4419.605378%19.605378%19.6%74,22474.2k4519.403573%19.403573%19.4%62,09962.1k4619.095477%19.095477%19.1%15219.095477%19.095477%19.1%15219.084224%19.084224%19.1%61,84361.8k4717.750779%17.750779%17.8%45,58445.6k4817.276176%17.276176%17.3%2,27716.533978%16.533978%16.5%31,85831.9k4913.481174%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 West

There are 1,950 county subdivisions in the West. This section compares Mad River to the 50 most populous county subdivisions in the West and to those entities that contain or substantially overlap with Mad River. 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 Mad River, selected other county subdivisions in the West, and entities that contain Mad River
0%10%20%30%Count#BakersfieldVictorville-HesperiaSouth Gate-East Los AngelesS Gate-E Los Ang…San BernardinoChandlerFresnoStocktonSalt Lake CitySalt Lk CityModestoComptonRiversideSouth AuroraInglewoodDowney-NorwalkPhoenixOntarioBoise CityAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…Beaverton-HillsboroSacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasEwaWestCaliforniaOceanside-EscondidoOceanside-Escond…PacificSan MateoWhittierColorado SpringsColorado SpgsUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlyFremontUpper San Gabriel ValleyUpper San Gabriel …Seattle EastTacomaSpokaneHaywardSan DiegoCentral Contra CostaCntrl Contra CostaSan Fernando ValleySan Fernando VlyTucsonNortheast JeffersonNE JeffersonLos AngelesDenverOaklandNorth CoastPortland East000400Tract 000400Mad RiverSouthwest San Gabriel ValleySW San Gabriel VlySeattleHonoluluTrinity CountyTrinitySan Francisco30.255492%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%99,59099.6k727.496527%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%790,766791k1524.651051%24.651051%24.7%158,701159k1624.573713%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%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.555887%23.555887%23.6%155,230155k2423.336041%23.336041%23.3%12,102,10512.1M23.297112%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%86,88086.9k3621.982996%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%96,00396.0k4619.095477%19.095477%19.1%15219.095477%19.095477%19.1%15219.084224%19.084224%19.1%61,84361.8k4717.999155%17.999155%18.0%187,875188k4817.885770%17.885770%17.9%71,80671.8k4917.276176%17.276176%17.3%2,27713.481174%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 Mad River to the 50 most populous county subdivisions in the United States and to those entities that contain or substantially overlap with Mad River. 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 Mad River, selected other county subdivisions in the United States, and entities that contain Mad River
0%10%20%Count#San BernardinoSouthwest DallasSW DallasNorthwest HarrisNW HarrisFresnoFort WorthSalt Lake CitySalt Lk CityNortheast TarrantNE TarrantHoustonMilwaukeeSan Antonio CentralSan Antonio CntrlEl PasoNortheast DallasNE DallasBronxPlanoTulsaDetroitPhoenixOntarioTownship 1:Charlotte1, CharlotteAnaheim-Santa Ana-Garden GroveAnaheim-Santa An…SacramentoLong Beach-LakewoodLong Bch-LakewoodLas VegasWestCaliforniaOceanside-EscondidoOceanside-Escond…BrooklynPacificUnited States of AmericaUnited StatesAlbuquerqueSan JoseEast San Gabriel ValleyE San Gabriel VlySeattle EastColumbusTown of HempsteadHempsteadOrlandoPhiladelphiaSan DiegoChicagoTampaAustinSan Fernando ValleySan Fernando VlyTucsonBaltimoreLos AngelesDenverQueensAtlantaMiami000400Tract 000400Mad RiverSeattleWashingtonTrinity CountyTrinityBostonManhattanSan Francisco28.994345%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%196,566197k427.641788%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%790,766791k1724.651051%24.651051%24.7%158,701159k1824.540635%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%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.555887%23.555887%23.6%155,230155k2423.337305%23.337305%23.3%608,369608k2523.336041%23.336041%23.3%12,102,10512.1M23.108006%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%345,809346k3321.982996%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%188,182188k4519.095477%19.095477%19.1%15219.095477%19.095477%19.1%15217.999155%17.999155%18.0%187,875188k4617.402645%17.402645%17.4%114,685115k4717.276176%17.276176%17.3%2,27716.549062%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:
California
County:
Trinity
Unincorporated Places:
Mad River, Ruth
ZIP Codes:
95552, 95595, 96041
Unified School Districts:
Mountain Valley, Southern Trinity
Congressional District:
CA-2
State Senate District:
CA-2
Assembly District:
CA-2