California Assembly District 23

State Legislative District Profile (Lower Chamber)

Overview

District ID
ca-hd-023
State
California
Chamber
Lower chamber
District Code
023
Land Area
461.7 sq mi
Water Area
183.8 sq mi

Boundary

Boundary of California Assembly District 23

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
San Mateo County338.42 sq mi73.3%75.4%
Santa Clara County123.33 sq mi26.7%9.6%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Palo Alto city24.10 sq mi5.2%100.0%
Saratoga city12.78 sq mi2.8%100.0%
Pacifica city12.58 sq mi2.7%100.0%
Mountain View city11.96 sq mi2.6%100.0%
Woodside town11.47 sq mi2.5%100.0%
Portola Valley town9.08 sq mi2.0%100.0%
Los Altos Hills town9.03 sq mi2.0%99.6%
Los Altos city6.54 sq mi1.4%100.0%
Half Moon Bay city6.24 sq mi1.4%100.0%
Campbell city6.08 sq mi1.3%100.0%
San Jose city5.85 sq mi1.3%3.3%
Menlo Park city4.99 sq mi1.1%49.9%
Atherton town4.94 sq mi1.1%98.5%
El Granada CDP4.92 sq mi1.1%100.0%
La Honda CDP4.26 sq mi0.9%100.0%
Pescadero CDP4.03 sq mi0.9%100.0%
Montara CDP3.88 sq mi0.8%100.0%
Stanford CDP2.75 sq mi0.6%100.0%
Moss Beach CDP2.25 sq mi0.5%100.0%
Loma Mar CDP1.73 sq mi0.4%100.0%
Loyola CDP1.39 sq mi0.3%100.0%
West Menlo Park CDP0.49 sq mi0.1%100.0%
Ladera CDP0.43 sq mi0.1%99.9%
North Fair Oaks CDP0.00 sq mi<0.1%0.2%

Showing all 24 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 16447,72194.6%59.0%99.3%
CA District 1721,6404.6%2.9%0.5%
CA District 154,0560.9%0.5%0.2%

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

Demographics

Total Population
461,320 (± 2,958)
Median Age
41.1
Median Household Income
$198,851 (± $4,585)
High School Graduate or Higher (age 25+)
95.5%
Bachelor's Degree or Higher (age 25+)
72.6%

Population by Age

GroupPeopleShare
Under 1895,21820.6%
18 to 64282,05061.1%
65 and over84,05218.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)63,44213.8%
White, not Hispanic205,26044.5%
Black, not Hispanic6,9301.5%
Asian, not Hispanic153,12233.2%
American Indian / Alaska Native, not Hispanic4260.1%
Native Hawaiian / Pacific Islander, not Hispanic2,8160.6%
Some other race, not Hispanic2,5230.5%
Two or more races, not Hispanic26,8015.8%

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
388,695
Citizen Voting Age Population (CVAP)
300,863

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic337,71086.9%
Hispanic50,98613.1%
White193,57549.8%
Black6,2901.6%
Asian113,72829.3%
American Indian / Alaska Native3120.1%
Native Hawaiian / Pacific Islander2,5960.7%
Two or More Races3,0450.8%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic266,97388.7%
Hispanic33,88911.3%
White163,56354.4%
Black7,1362.4%
Asian91,64030.5%
American Indian / Alaska Native1,5350.5%
Native Hawaiian / Pacific Islander1,4130.5%
Two or More Races1,8270.6%

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