California State Senate District 3

State Legislative District Profile (Upper Chamber)

Overview

District ID
ca-sd-003
State
California
Chamber
Upper chamber (state senate)
District Code
003
Land Area
3,021.7 sq mi
Water Area
189.5 sq mi

Boundary

Boundary of California State Senate District 3

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Yolo County1014.73 sq mi33.6%100.0%
Solano County821.83 sq mi27.2%100.0%
Napa County748.28 sq mi24.8%99.5%
Sonoma County164.40 sq mi5.4%10.4%
Sacramento County147.41 sq mi4.9%15.3%
Contra Costa County123.68 sq mi4.1%17.3%

Showing all 6 counties

Places

PlaceOverlapShare of district landShare of place land
Fairfield city41.59 sq mi1.4%100.0%
Vallejo city30.42 sq mi1.0%100.0%
Vacaville city29.87 sq mi1.0%100.0%
West Sacramento city21.47 sq mi0.7%100.0%
Napa city18.05 sq mi0.6%100.0%
Oakley city15.87 sq mi0.5%100.0%
Woodland city15.31 sq mi0.5%100.0%
Brentwood city14.87 sq mi0.5%100.0%
Benicia city12.81 sq mi0.4%100.0%
Walnut Grove CDP10.20 sq mi0.3%100.0%
Davis city9.97 sq mi0.3%100.0%
Green Valley CDP8.37 sq mi0.3%65.4%
Knightsen CDP8.36 sq mi0.3%100.0%
Rohnert Park city7.29 sq mi0.2%100.0%
Dixon city7.10 sq mi0.2%100.0%
Rio Vista city6.60 sq mi0.2%100.0%
Byron CDP6.52 sq mi0.2%100.0%
Hartley CDP6.47 sq mi0.2%100.0%
Allendale CDP6.14 sq mi0.2%100.0%
American Canyon city6.09 sq mi0.2%100.0%
Deer Park CDP5.62 sq mi0.2%100.0%
Discovery Bay CDP5.59 sq mi0.2%100.0%
Bethel Island CDP5.25 sq mi0.2%100.0%
Dunnigan CDP5.23 sq mi0.2%100.0%
St. Helena city4.95 sq mi0.2%99.9%

Showing top 25 of 60 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 4534,22651.4%69.8%78.5%
CA District 8314,01230.2%41.4%10.8%
CA District 10113,12410.9%14.9%2.9%
CA District 760,2335.8%7.9%6.6%
CA District 917,6161.7%2.3%1.2%

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

Demographics

Total Population
1,043,433 (± 2,552)
Median Age
38.4
Median Household Income
$104,043 (± $1,118)
High School Graduate or Higher (age 25+)
88.5%
Bachelor's Degree or Higher (age 25+)
34.5%

Population by Age

GroupPeopleShare
Under 18220,69121.2%
18 to 64644,77161.8%
65 and over177,97117.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)328,15431.4%
White, not Hispanic424,08240.6%
Black, not Hispanic75,7787.3%
Asian, not Hispanic135,84013.0%
American Indian / Alaska Native, not Hispanic2,5630.2%
Native Hawaiian / Pacific Islander, not Hispanic5,6830.5%
Some other race, not Hispanic8,1670.8%
Two or more races, not Hispanic63,1666.1%

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
950,810
Citizen Voting Age Population (CVAP)
736,194

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic680,86471.6%
Hispanic269,94628.4%
White428,20945.0%
Black75,9178.0%
Asian115,12712.1%
American Indian / Alaska Native2,6340.3%
Native Hawaiian / Pacific Islander5,1900.5%
Two or More Races13,0781.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic559,31276.0%
Hispanic176,88424.0%
White364,78149.5%
Black69,3949.4%
Asian105,68214.4%
American Indian / Alaska Native9,0361.2%
Native Hawaiian / Pacific Islander4,2120.6%
Two or More Races7,7701.1%

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