# CA-21 CA-21 — Congressional district in the United States. Coverage: 5 contests (2018–2026). Congressional district ## 2020 census 756,328 Total population, April 1, 2020 2020 census | Measure | People | Share | | --- | --- | --- | | Aged 18 and over | 531,422 | 70.26% | | Hispanic or Latino | 486,476 | 64.32% | | White alone, not Hispanic | 135,261 | 17.88% | | Black or African American alone, not Hispanic | 35,079 | 4.64% | | American Indian and Alaska Native alone, not Hispanic | 4,079 | 0.54% | | Asian alone, not Hispanic | 74,060 | 9.79% | | Native Hawaiian and Pacific Islander alone, not Hispanic | 730 | 0.10% | | Some other race alone, not Hispanic | 3,664 | 0.48% | | Two or more races, not Hispanic | 16,979 | 2.24% | 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-0621-dae7eaf468c2) - [U.S. House 2024](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0621-5913d6aeebf7) - [U.S. House 2022](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0621-5ffb80cc7fac) - [U.S. House 2020](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0621-257e08fd239a) - [U.S. House 2018](https://civism.io/en-US/usa/contests/off-us-us-house-geo-us-cd-0621-60b7d7291fcc)