California Assembly District 40

State Legislative District Profile (Lower Chamber)

Overview

District ID
ca-hd-040
State
California
Chamber
Lower chamber
District Code
040
Land Area
384.5 sq mi
Water Area
5.66 sq mi

Boundary

Boundary of California Assembly District 40

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Los Angeles County384.53 sq mi100.0%9.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Santa Clarita city70.75 sq mi18.4%96.1%
Los Angeles city47.69 sq mi12.4%10.1%
Castaic CDP7.26 sq mi1.9%100.0%
Stevenson Ranch CDP6.41 sq mi1.7%100.0%
Hasley Canyon CDP5.74 sq mi1.5%100.0%
Val Verde CDP2.57 sq mi0.7%100.0%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
CA District 27355,35468.9%46.7%68.6%
CA District 32148,04628.7%19.5%7.0%
CA District 2912,4552.4%1.6%14.2%
CA District 30107<0.1%<0.1%10.2%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Demographics

Total Population
515,952 (± 5,696)
Median Age
39.6
Median Household Income
$121,328 (± $1,554)
High School Graduate or Higher (age 25+)
90.2%
Bachelor's Degree or Higher (age 25+)
41.8%

Population by Age

GroupPeopleShare
Under 18116,34022.5%
18 to 64320,06562.0%
65 and over79,54715.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)177,27634.4%
White, not Hispanic203,38139.4%
Black, not Hispanic23,8624.6%
Asian, not Hispanic82,02815.9%
American Indian / Alaska Native, not Hispanic7340.1%
Native Hawaiian / Pacific Islander, not Hispanic1,1520.2%
Some other race, not Hispanic4,4360.9%
Two or more races, not Hispanic23,0834.5%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
471,133
Citizen Voting Age Population (CVAP)
359,114

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic316,64667.2%
Hispanic154,48132.8%
White200,63042.6%
Black24,0435.1%
Asian71,87515.3%
American Indian / Alaska Native7740.2%
Native Hawaiian / Pacific Islander8210.2%
Two or More Races3,2560.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic253,69670.6%
Hispanic105,41529.4%
White166,90446.5%
Black20,4725.7%
Asian61,90317.2%
American Indian / Alaska Native2,3490.7%
Native Hawaiian / Pacific Islander6190.2%
Two or More Races1,6740.5%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).