Age and Sex in Mark Twain Union Elementary School District, California (Elementary School District)

Age Structure#1

Percentage in each age cohort per year of age.1 Gray areas represent percentile bands from the elementary school districts in California.
Scope: population of California, Mark Twain Union Elementary School District, and other elementary school districts in California
Mark Twain
California
Percentile:
0th - 100th
10th - 90th
20th - 80th
30th - 70th
40th - 60th
0.0%0.5%1.0%1.5%2.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-42602.676%2.68%4244.364%4.36%5025.167%5.17%5445.599%5.60%4504.632%4.63%4064.179%4.18%3944.055%4.06%2672.748%2.75%8438.676%8.68%7367.575%7.58%4254.374%4.37%5125.270%5.27%2822.902%2.90%5065.208%5.21%5555.712%5.71%2802.882%2.88%310.319%0.32%1241.276%1.28%1811.863%1.86%4504.632%4.63%4274.395%4.39%6206.381%6.38%4975.115%5.12%
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 California and Mark Twain Union Elementary School District
Female Male
California
Mark Twain
Shaded bar tips show excess over facing bar.
0.5%0.0%0.5%Count%Senior2Older Adult3Younger Adult4College5Children6-0.353083%-0.033164%-0.157885%-0.041886%-0.386247%0.39%0.353083%0.157885%0.353083%0.35%2,58626.616%26.6%-0.583779%-0.140387%-0.628107%-0.017115%-0.724166%0.72%0.583779%0.628107%0.583779%0.58%3,17732.699%32.7%-0.396254%-0.701647%-0.396254%0.40%0.396254%0.135515%0.701647%0.031578%0.531769%0.53%1,62316.704%16.7%-0.391107%-0.701652%-0.391107%0.39%0.391107%0.082338%0.701652%0.050982%0.473446%0.47%3363.458%3.46%-0.515187%-0.109785%-0.642652%-0.624971%0.62%0.515187%0.642652%0.028379%0.515187%0.52%1,99420.523%20.5%
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 California and Mark Twain Union Elementary School District
Female Male
California
Mark Twain
Shaded bar tips show excess over facing bar.
1.0%0.5%0.0%0.5%1.0%Count%85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-0.073976%-0.039047%-0.031647%-0.073976%0.07%0.073976%0.019298%0.039047%0.093274%0.09%2602.676%2.68%-0.432277%-0.008234%-0.138544%-0.050257%-0.440510%0.44%0.432277%0.138544%0.432277%0.43%4244.364%4.36%-0.378757%-0.275834%-0.194002%-0.048276%-0.654590%0.65%0.378757%0.194002%0.378757%0.38%5025.167%5.17%-0.549609%-0.278404%-0.047771%-0.549609%0.55%0.549609%0.020585%0.278404%0.570193%0.57%5445.599%5.60%-0.723892%-0.096061%-0.369729%-0.052880%-0.819953%0.82%0.723892%0.369729%0.723892%0.72%4504.632%4.63%-1.018938%-0.447596%-0.055693%-1.018938%1.02%1.018938%0.051462%0.447596%1.070399%1.07%4064.179%4.18%-0.459723%-0.432277%-0.489719%-0.047683%-0.891999%0.89%0.459723%0.489719%0.459723%0.46%3944.055%4.06%-0.669000%-0.036023%-0.556695%-0.041019%-0.705023%0.71%0.669000%0.556695%0.669000%0.67%2672.748%2.75%-0.627830%-0.479621%-0.610297%-0.030760%-1.107452%1.11%0.627830%0.610297%0.627830%0.63%8438.676%8.68%-0.753396%-0.672672%-0.012121%-0.753396%0.75%0.753396%0.008234%0.672672%0.761630%0.76%7367.575%7.58%-0.317003%-0.669774%-0.317003%0.32%0.317003%0.240840%0.669774%0.001370%0.557843%0.56%4254.374%4.37%-0.428160%-0.197612%-0.668957%-0.625772%0.63%0.428160%0.668957%0.000957%0.428160%0.43%5125.270%5.27%-0.125566%-0.661266%-0.125566%0.13%0.125566%0.329354%0.661266%0.007922%0.454920%0.45%2822.902%2.90%-0.485797%-0.069988%-0.705425%-0.555784%0.56%0.485797%0.705425%0.028957%0.485797%0.49%5065.208%5.21%-0.463154%-0.730940%-0.463154%0.46%0.463154%0.216138%0.730940%0.048142%0.679292%0.68%5555.712%5.71%-0.470015%-0.713830%-0.470015%0.47%0.470015%0.020585%0.713830%0.047764%0.490600%0.49%2802.882%2.88%-0.082338%-0.154385%-0.720108%-0.236723%0.24%0.082338%0.720108%0.071664%0.082338%0.08%310.319%0.32%-0.617538%-0.741386%-0.617538%0.62%0.617538%0.041169%0.741386%0.058263%0.658707%0.66%1241.276%1.28%-0.355084%-0.672557%-0.355084%0.36%0.355084%0.221284%0.672557%0.037001%0.576369%0.58%1811.863%1.86%-0.463154%-0.617538%-0.659372%-1.080692%1.08%0.463154%0.659372%0.030790%0.463154%0.46%4504.632%4.63%-0.345821%-0.642360%-0.345821%0.35%0.345821%0.187320%0.642360%0.027891%0.533141%0.53%4274.395%4.39%-0.580486%-0.115274%-0.643238%-0.695760%0.70%0.580486%0.643238%0.027157%0.580486%0.58%6206.381%6.38%-0.463154%-0.096748%-0.632325%-0.559901%0.56%0.463154%0.632325%0.028642%0.463154%0.46%4975.115%5.12%
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 California and Mark Twain Union Elementary School District
More Females More Males
California
Mark Twain
100%0%100%200%M:FFM85+80-8475-7970-7467-6965-6662-6460-6155-5950-5445-4940-4435-3930-3425-2922-24212018-1915-1710-145-90-4-81.049811%26.086957%26.086957%26.1%1.2611.2644.231%44.2%55.769%55.8%-1.904762%-36.274956%-1.904762%1.9%0.9810.9850.472%50.5%49.528%49.5%-72.826087%-24.884451%-72.826087%72.8%0.5790.5863.347%63.3%36.653%36.7%-17.158978%3.745318%3.745318%3.7%1.0371.0449.081%49.1%50.919%50.9%-13.270142%-14.302341%-13.270142%13.3%0.8830.8853.111%53.1%46.889%46.9%-12.442599%5.050505%5.050505%5.1%1.0511.0548.768%48.8%51.232%51.2%-94.029851%-9.736728%-94.029851%94.0%0.5150.5265.990%66.0%34.010%34.0%-5.384615%-7.368277%-5.384615%5.4%0.9490.9551.311%51.3%48.689%48.7%-76.393443%-5.040236%-76.393443%76.4%0.5670.5763.820%63.8%36.180%36.2%-1.801966%1.092896%1.092896%1.1%1.0111.0149.728%49.7%50.272%50.3%75.974026%0.204484%75.974026%76.0%1.7601.7636.235%36.2%63.765%63.8%-46.153846%-46.153846%46.2%0.143012%0.6840.6859.375%59.4%40.625%40.6%262.295082%1.197933%262.295082%262.3%3.6233.6221.631%21.6%78.369%78.4%-14.406780%-14.406780%14.4%4.104936%0.8740.8753.360%53.4%46.640%46.6%46.666667%6.586347%46.666667%46.7%1.4671.4740.541%40.5%59.459%59.5%4.379562%6.691182%4.379562%4.4%1.0441.0448.929%48.9%51.071%51.1%-187.500000%-187.500000%187.5%9.951788%0.3480.3574.194%74.2%25.806%25.8%6.666667%7.858621%6.666667%6.7%1.0671.0748.387%48.4%51.613%51.6%62.318841%5.501565%62.318841%62.3%1.6231.6238.122%38.1%61.878%61.9%-133.333333%-133.333333%133.3%4.669609%0.4290.4370.000%70.0%30.000%30.0%54.166667%4.341943%54.166667%54.2%1.5421.5439.344%39.3%60.656%60.7%-19.858156%-19.858156%19.9%4.221871%0.8340.8354.516%54.5%45.484%45.5%-20.888889%-20.888889%20.9%4.529655%0.8270.8354.728%54.7%45.272%45.3%
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 Mark Twain Union Elementary School District

Children Age Cohorts by County Subdivision#5

Percentage of population aged 0 to 17 (%):
18.35%18.70%19.04%19.38%19.73%20.07%

College Age Cohorts by County Subdivision#6

Percentage of population aged 18 to 21 (%):
3.36%3.60%3.84%4.08%4.31%4.56%

20s Age Cohorts by County Subdivision#7

Percentage of population aged 22 to 29 (%):
7.05%7.22%7.38%7.55%7.71%7.88%

30s Age Cohorts by County Subdivision#8

Percentage of population aged 30 to 39 (%):
7.50%7.67%7.82%7.98%8.14%8.30%

40s Age Cohorts by County Subdivision#9

Percentage of population aged 40 to 49 (%):
9.4%10.2%11.0%11.8%12.6%13.4%

50s Age Cohorts by County Subdivision#10

Percentage of population aged 50 to 59 (%):
15.1%15.8%16.4%17.1%17.7%18.4%

60s Age Cohorts by County Subdivision#11

Percentage of population aged 60 to 69 (%):
16.8392%16.8402%16.8412%16.8422%16.8431%16.8442%

70s Age Cohorts by County Subdivision#12

Percentage of population aged 70 to 79 (%):
8.6%9.4%10.2%11.0%11.8%12.6%

80+ Age Cohorts by County Subdivision#13

Percentage of population aged 80 and older (%):
4.4%5.0%5.6%6.1%6.7%7.3%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Tract in Mark Twain Union Elementary School District

Children Age Cohorts by Tract#14

Percentage of population aged 0 to 17 (%):
18.4%19.2%19.9%20.7%21.4%22.1%

College Age Cohorts by Tract#15

Percentage of population aged 18 to 21 (%):
2.75%3.24%3.73%4.22%4.72%5.21%

20s Age Cohorts by Tract#16

Percentage of population aged 22 to 29 (%):
2.1%3.5%4.9%6.3%7.7%9.1%

30s Age Cohorts by Tract#17

Percentage of population aged 30 to 39 (%):
5.8%6.8%7.8%8.8%9.8%10.8%

40s Age Cohorts by Tract#18

Percentage of population aged 40 to 49 (%):
7.9%10.2%12.4%14.7%16.9%19.2%

50s Age Cohorts by Tract#19

Percentage of population aged 50 to 59 (%):
13.1%13.9%14.6%15.3%16.0%16.7%

60s Age Cohorts by Tract#20

Percentage of population aged 60 to 69 (%):
13.0%14.8%16.6%18.4%20.1%22.0%

70s Age Cohorts by Tract#21

Percentage of population aged 70 to 79 (%):
7.3%9.3%11.2%13.1%15.0%17.0%

80+ Age Cohorts by Tract#22

Percentage of population aged 80 and older (%):
3.5%4.5%5.6%6.6%7.6%8.7%
Road Data ©OpenStreetMap

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Map of Age Cohorts by Block Group in Mark Twain Union Elementary School District

Children Age Cohorts by Block Group#23

Percentage of population aged 0 to 17 (%):
11.6%15.2%18.8%22.3%25.9%29.5%

College Age Cohorts by Block Group#24

Percentage of population aged 18 to 21 (%):
0.0%1.2%2.3%3.5%4.6%5.8%

20s Age Cohorts by Block Group#25

Percentage of population aged 22 to 29 (%):
3.1%4.4%5.7%7.0%8.3%9.6%

30s Age Cohorts by Block Group#26

Percentage of population aged 30 to 39 (%):
0.0%2.6%5.2%7.8%10.5%13.1%

40s Age Cohorts by Block Group#27

Percentage of population aged 40 to 49 (%):
0.0%4.1%8.2%12.3%16.4%20.6%

50s Age Cohorts by Block Group#28

Percentage of population aged 50 to 59 (%):
12.1%13.2%14.3%15.4%16.5%17.6%

60s Age Cohorts by Block Group#29

Percentage of population aged 60 to 69 (%):
9%15%20%25%30%36%

70s Age Cohorts by Block Group#30

Percentage of population aged 70 to 79 (%):
5.6%8.5%11.3%14.1%17.0%19.8%

80+ Age Cohorts by Block Group#31

Percentage of population aged 80 and older (%):
2.8%4.5%6.1%7.8%9.4%11.1%
Road Data ©OpenStreetMap

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Age Cohorts by Place in Mark Twain Union Elementary School District

There are 3 places that are fully or partially contained within Mark Twain Union Elementary School District (2 fully and 1 partially). This section compares all 3 of those to each other, Mark Twain Union Elementary School District, and other entities that contain or substantially overlap with Mark Twain Union Elementary School District.

Children by Place#32

Percentage of population aged 0 to 17 (%):
Scope: population of Mark Twain Union Elementary School District, selected places in Mark Twain Union Elementary School District, and entities that contain Mark Twain Union Elementary School District
0%5%10%15%20%Count#VallecitoWestCaliforniaPacificUnited States of AmericaUnited StatesCopperopolisMark Twain Union Elementary School DistrictMark TwainBret Harte Union High School DistrictBret HarteCalaveras CountyCalaverasAngels24.489796%24.489796%24.5%72123.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M22.712857%22.712857%22.7%931220.522849%20.522849%20.5%1,99418.460278%18.460278%18.5%3,38117.956103%17.956103%18.0%8,04217.885533%17.885533%17.9%6753
Count number of children
# rank of place out of 3 by %

Age Cohorts by County Subdivision in Mark Twain Union Elementary School District

There are 2 county subdivisions that are fully or partially contained within Mark Twain Union Elementary School District (0 fully and 2 partially). This section compares all 2 of those to each other, Mark Twain Union Elementary School District, and other entities that contain or substantially overlap with Mark Twain Union Elementary School District.

Children by County Subdivision#41

Percentage of population aged 0 to 17 (%):
Scope: population of Mark Twain Union Elementary School District, selected county subdivisions in Mark Twain Union Elementary School District, and entities that contain Mark Twain Union Elementary School District
0%5%10%15%20%Count#WestCaliforniaPacificUnited States of AmericaUnited StatesMark Twain Union Elementary School DistrictMark TwainAngels CityBret Harte Union High School DistrictBret HarteSan AndreasCalaveras CountyCalaveras23.760486%23.760486%23.8%17,834,66617.8M23.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.108006%23.108006%23.1%73,612,43873.6M20.522849%20.522849%20.5%1,99420.069552%20.069552%20.1%2,597118.460278%18.460278%18.5%3,38118.352657%18.352657%18.4%4,258217.956103%17.956103%18.0%8,042
Count number of children
# rank of county subdivision out of 2 by %

Age Cohorts by Unified School District in California

There are 946 elementary school districts in California. This section compares Mark Twain Union Elementary School District to the 50 most populous elementary school districts in California and to those entities that contain or substantially overlap with Mark Twain Union Elementary School District. The least populous of the compared elementary school districts has a population of 187,334.

Children by Unified School District#50

Percentage of population aged 0 to 17 (%):
Scope: population of Mark Twain Union Elementary School District, selected other unified school districts in California, and entities that contain Mark Twain Union Elementary School District
0%10%20%30%Count#Bakersfield City School DistrictBakersfield CitySan Bernardino City Unified School DistrictSan BernardinoKern High School DistrictKernAntelope Valley Union Joint High School DistrictAntelope VlyFresno Unified School DistrictFresnoStockton Unified School DistrictStocktonSanta Ana Unified School DistrictSanta AnaElk Grove Unified School DistrictElk GroveAnaheim Elementary School DistrictAnaheimModesto City High School DistrictModesto CityCorona-Norco Unified School DistrictCorona-NorcoWilliam S. Hart Union High School DistrictWilliam S. HartClovis Unified School DistrictClovisOxnard Union High School DistrictOxnardChaffey Joint Union High School DistrictChaffeyPoway Unified School DistrictPowaySweetwater Union High School DistrictSweetwaterChula Vista Elementary School DistrictChula VistaAnaheim Union High School DistrictAnaheimFremont Union High School DistrictFremontSequoia Union High School DistrictSequoiaWhittier Union High School DistrictWhittierEast Side Union High School DistrictEast SideLong Beach Unified School DistrictLong BeachCapistrano Unified School DistrictCapistranoWestRiverside Unified School DistrictRiversideFremont Unified School DistrictFremontCaliforniaPacificGrossmont Union High School DistrictGrossmontUnited States of AmericaUnited StatesFullerton Joint Union High School DistrictFullertonGarden Grove Unified School DistrictGarden GroveCampbell Union High School DistrictCampbellSanta Rosa High School DistrictSanta RosaLos Angeles Unified School DistrictLos AngelesOrange Unified School DistrictOrangeDesert Sands Unified School DistrictDesert SandsIrvine Unified School DistrictIrvineSacramento City Unified School DistrictSacramentoSan Jose Unified School DistrictSan JoseMount Diablo Unified School DistrictMount DiabloWest Contra Costa Unified School DistrictW Contra CostaSan Mateo Union High School DistrictSan MateoSaddleback Valley Unified School DistrictSaddleback VlySan Juan Unified School DistrictSan JuanMark Twain Union Elementary School DistrictMark TwainHuntington Beach Union High School DistrictHuntington BchOakland Unified School DistrictOaklandNewport-Mesa Unified School DistrictNewport-MesaSan Diego City Unified School DistrictSan DiegoPasadena Unified School DistrictPasadenaGlendale Unified School DistrictGlendaleBret Harte Union High School DistrictBret HarteCalaveras CountyCalaverasSan Francisco Unified School DistrictSan Francisco32.245645%32.245645%32.2%62,73162.7k130.452391%30.452391%30.5%80,68380.7k230.406129%30.406129%30.4%190,502191k329.250753%29.250753%29.3%110,679111k428.847111%28.847111%28.8%112,965113k528.566485%28.566485%28.6%57,78857.8k627.951803%27.951803%28.0%73,18973.2k727.685159%27.685159%27.7%92,53192.5k826.800289%26.800289%26.8%54,18054.2k926.662171%26.662171%26.7%73,13773.1k1026.649565%26.649565%26.6%72,72072.7k1126.174138%26.174138%26.2%72,89072.9k1226.148881%26.148881%26.1%52,58252.6k1325.947822%25.947822%25.9%84,83984.8k1425.888741%25.888741%25.9%106,935107k1525.739703%25.739703%25.7%51,47451.5k1625.332661%25.332661%25.3%123,023123k1725.329677%25.329677%25.3%76,12176.1k1825.310701%25.310701%25.3%100,485100k1924.702151%24.702151%24.7%57,78557.8k2024.322266%24.322266%24.3%62,28362.3k2124.197337%24.197337%24.2%54,90454.9k2224.085645%24.085645%24.1%132,683133k2323.922055%23.922055%23.9%124,138124k2423.854560%23.854560%23.9%85,65685.7k2523.760486%23.760486%23.8%17,834,66617.8M23.736435%23.736435%23.7%61,28761.3k2623.696772%23.696772%23.7%54,01354.0k2723.646283%23.646283%23.6%9,140,2839.14M23.336041%23.336041%23.3%12,102,10512.1M23.304594%23.304594%23.3%110,361110k2823.108006%23.108006%23.1%73,612,43873.6M23.054373%23.054373%23.1%58,90358.9k2922.911773%22.911773%22.9%65,16265.2k3022.859521%22.859521%22.9%51,90351.9k3122.351557%22.351557%22.4%48,25548.3k3222.151247%22.151247%22.2%1,035,3731.04M3322.128140%22.128140%22.1%49,39249.4k3422.037110%22.037110%22.0%41,28341.3k3521.895982%21.895982%21.9%47,48147.5k3621.783344%21.783344%21.8%72,68172.7k3721.780422%21.780422%21.8%58,45858.5k3821.731489%21.731489%21.7%57,74157.7k3921.630405%21.630405%21.6%53,24853.2k4021.288360%21.288360%21.3%50,51650.5k4120.931093%20.931093%20.9%44,10644.1k4220.927892%20.927892%20.9%69,87369.9k4320.522849%20.522849%20.5%1,99420.411330%20.411330%20.4%65,63165.6k4420.390969%20.390969%20.4%84,03284.0k4519.283990%19.283990%19.3%38,42238.4k4619.009403%19.009403%19.0%202,733203k4718.819461%18.819461%18.8%39,01539.0k4818.496729%18.496729%18.5%40,71540.7k4918.460278%18.460278%18.5%3,38117.956103%17.956103%18.0%8,04213.481174%13.481174%13.5%114,628115k50
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:
California
County:
Calaveras
Cities:
Angels
Unincorporated Places:
Copperopolis, Vallecito
ZIP Codes:
95222, 95228, 95230, 95247, 95249, 95251, 95252
Secondary School District:
Bret Harte
Congressional District:
CA-4
State Senate District:
CA-8
Assembly District:
CA-5
Neighboring Elementary School Districts:
Columbia, Jamestown, Knights Ferry, Vallecito, Valley Home
Nearby Elementary School Districts:
Belleview, Curtis Creek, Empire, Hickman Community Charter, Oak View, Roberts Ferry, Sonora, Soulsbyville, Stanislaus, Sylvan