California State Senate District 4

State Legislative District Profile (Upper Chamber)

Overview

District ID
ca-sd-004
State
California
Chamber
Upper chamber (state senate)
District Code
004
Land Area
25,033.6 sq mi
Water Area
411 sq mi

Boundary

Boundary of California State Senate District 4

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Inyo County10197.26 sq mi40.7%100.0%
Mono County3048.90 sq mi12.2%100.0%
Tuolumne County2220.91 sq mi8.9%100.0%
El Dorado County1707.85 sq mi6.8%100.0%
Madera County1572.41 sq mi6.3%73.6%
Stanislaus County1496.02 sq mi6.0%100.0%
Mariposa County1448.84 sq mi5.8%100.0%
Calaveras County1020.02 sq mi4.1%100.0%
Alpine County738.34 sq mi2.9%100.0%
Placer County596.88 sq mi2.4%42.4%
Amador County594.58 sq mi2.4%100.0%
Merced County324.12 sq mi1.3%16.7%
Nevada County67.50 sq mi0.3%7.0%

Showing all 13 counties

Places

PlaceOverlapShare of district landShare of place land
El Dorado Hills CDP48.46 sq mi0.2%100.0%
Modesto city43.04 sq mi0.2%99.3%
Oakhurst CDP33.45 sq mi0.1%100.0%
Truckee town32.33 sq mi0.1%100.0%
North Fork CDP32.24 sq mi0.1%100.0%
Furnace Creek CDP31.46 sq mi0.1%100.0%
Shoshone CDP28.71 sq mi0.1%100.0%
Benton CDP28.47 sq mi0.1%100.0%
Chalfant CDP28.04 sq mi0.1%100.0%
Mammoth Lakes town24.87 sq mi0.1%100.0%
Greeley Hill CDP23.88 sq mi0.1%100.0%
Catheys Valley CDP23.61 sq mi0.1%100.0%
Bridgeport CDP21.74 sq mi0.1%100.0%
Yosemite Lakes CDP20.90 sq mi0.1%100.0%
Coleville CDP19.27 sq mi0.1%100.0%
Lone Pine CDP19.03 sq mi0.1%100.0%
Pine Mountain Lake CDP18.96 sq mi0.1%100.0%
Tecopa CDP18.59 sq mi0.1%100.0%
Lake Don Pedro CDP18.42 sq mi0.1%100.0%
Coarsegold CDP17.23 sq mi0.1%100.0%
Turlock city16.90 sq mi0.1%100.0%
Diamond Springs CDP16.64 sq mi0.1%100.0%
Copperopolis CDP15.59 sq mi0.1%100.0%
Georgetown CDP15.13 sq mi0.1%100.0%
Round Valley CDP13.99 sq mi0.1%100.0%

Showing top 25 of 185 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 5642,39062.0%84.0%30.5%
CA District 13262,82025.4%34.2%5.2%
CA District 3129,03512.5%16.9%63.7%
CA District 92,0250.2%0.3%0.6%

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

Demographics

Total Population
1,043,919 (± 2,864)
Median Age
39.7
Median Household Income
$87,546 (± $1,340)
High School Graduate or Higher (age 25+)
86.1%
Bachelor's Degree or Higher (age 25+)
26.6%

Population by Age

GroupPeopleShare
Under 18242,00823.2%
18 to 64607,83958.2%
65 and over194,07218.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)370,26335.5%
White, not Hispanic545,13752.2%
Black, not Hispanic18,9511.8%
Asian, not Hispanic48,2154.6%
American Indian / Alaska Native, not Hispanic6,3420.6%
Native Hawaiian / Pacific Islander, not Hispanic3,8790.4%
Some other race, not Hispanic4,7280.5%
Two or more races, not Hispanic46,4044.4%

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
961,029
Citizen Voting Age Population (CVAP)
724,394

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic654,04568.1%
Hispanic306,98331.9%
White549,95757.2%
Black18,7271.9%
Asian39,5104.1%
American Indian / Alaska Native6,3460.7%
Native Hawaiian / Pacific Islander4,0600.4%
Two or More Races6,0640.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic532,86373.6%
Hispanic191,53026.4%
White457,04163.1%
Black18,9912.6%
Asian35,9885.0%
American Indian / Alaska Native14,5652.0%
Native Hawaiian / Pacific Islander3,3350.5%
Two or More Races3,4450.5%

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