California Assembly District 20

State Legislative District Profile (Lower Chamber)

Overview

District ID
ca-hd-020
State
California
Chamber
Lower chamber
District Code
020
Land Area
138.4 sq mi
Water Area
35.1 sq mi

Boundary

Boundary of California Assembly District 20

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Alameda County138.45 sq mi100.0%18.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Hayward city45.82 sq mi33.1%100.0%
Union City city19.18 sq mi13.9%98.9%
Castro Valley CDP16.85 sq mi12.2%100.0%
San Leandro city13.32 sq mi9.6%100.0%
Pleasanton city7.57 sq mi5.5%31.3%
Dublin city5.42 sq mi3.9%35.6%
San Lorenzo CDP3.05 sq mi2.2%100.0%
Fairview CDP2.97 sq mi2.1%100.0%
Ashland CDP1.84 sq mi1.3%100.0%
Cherryland CDP1.19 sq mi0.9%100.0%

Showing all 10 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 14433,82084.0%57.1%91.0%
CA District 1270,85513.7%9.3%8.0%
CA District 1011,6052.2%1.5%1.0%

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

Demographics

Total Population
499,125 (± 1,768)
Median Age
40.6
Median Household Income
$119,107 (± $2,743)
High School Graduate or Higher (age 25+)
85.0%
Bachelor's Degree or Higher (age 25+)
38.3%

Population by Age

GroupPeopleShare
Under 1896,84719.4%
18 to 64318,16963.7%
65 and over84,10916.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)155,65231.2%
White, not Hispanic98,75519.8%
Black, not Hispanic37,9087.6%
Asian, not Hispanic174,26634.9%
American Indian / Alaska Native, not Hispanic1,0280.2%
Native Hawaiian / Pacific Islander, not Hispanic6,5761.3%
Some other race, not Hispanic2,2080.4%
Two or more races, not Hispanic22,7324.6%

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
418,474
Citizen Voting Age Population (CVAP)
326,667

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic300,16271.7%
Hispanic118,31228.3%
White98,09823.4%
Black36,2808.7%
Asian140,11633.5%
American Indian / Alaska Native1,0310.2%
Native Hawaiian / Pacific Islander5,7711.4%
Two or More Races5,1941.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic246,85775.6%
Hispanic79,81124.4%
White86,79726.6%
Black32,69710.0%
Asian117,77336.1%
American Indian / Alaska Native2,5270.8%
Native Hawaiian / Pacific Islander4,4171.4%
Two or More Races3,2201.0%

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