# CA-04 CA-04 — Congressional district in the United States. Coverage: 4 contests (2018–2026). Congressional district ## 2020 census 765,137 Total population, April 1, 2020 2020 census | Measure | People | Share | | --- | --- | --- | | Aged 18 and over | 611,312 | 79.90% | | Hispanic or Latino | 240,215 | 31.40% | | White alone, not Hispanic | 392,538 | 51.30% | | Black or African American alone, not Hispanic | 21,672 | 2.83% | | American Indian and Alaska Native alone, not Hispanic | 5,091 | 0.67% | | Asian alone, not Hispanic | 58,124 | 7.60% | | Native Hawaiian and Pacific Islander alone, not Hispanic | 2,766 | 0.36% | | Some other race alone, not Hispanic | 4,523 | 0.59% | | Two or more races, not Hispanic | 40,208 | 5.26% | US Census Bureau, 2020 Census redistricting retabulation for the 119th Congress and 2024 state legislative districts. Small areas carry privacy noise. ## Contests - [U.S. House 2026](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0604-71ab200f8cb7) - [U.S. House 2024](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0604-5900915d23ab) - [U.S. House 2020](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0604-c4bcdbee3376) - [U.S. House 2018](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0604-abd1cff39a9f)