California Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in California was 10.46M which was 26.50% of California's population. Among all California counties, Los Angeles had the highest immigrant population (3.35M) and immigrants constituted 33.47% of its population, followed by Orange (pop: 937.21K, perc: 29.45%), and then Santa Clara (pop: 771.64K, perc: 39.94%).
On the other hand, the counties with the least number of immigrant population were: Alpine (pop: 64, perc: 4.76%), Sierra (pop: 101, perc: 3.28%), and Modoc (pop: 627, perc: 7.19%),
The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.
You can see similar information for other states and by state for the United States.
County | Immigrant Population | % of County Population |
---|---|---|
Alameda | 551151 | 32.94 |
Alpine | 64 | 4.76 |
Amador | 2507 | 6.25 |
Butte | 16581 | 7.61 |
Calaveras | 2156 | 4.75 |
Colusa | 5812 | 26.69 |
Contra Costa | 289971 | 24.96 |
Del Norte | 2264 | 8.19 |
El Dorado | 17659 | 9.27 |
Fresno | 199858 | 19.92 |
Glenn | 4601 | 16.05 |
Humboldt | 8335 | 6.08 |
Imperial | 53889 | 29.93 |
Inyo | 1325 | 7.05 |
Kern | 177999 | 19.65 |
Kings | 29042 | 19.12 |
Lake | 6049 | 8.93 |
Lassen | 1775 | 5.39 |
Los Angeles | 3353972 | 33.47 |
Madera | 31171 | 19.94 |
Marin | 48530 | 18.50 |
Mariposa | 959 | 5.57 |
Mendocino | 11291 | 12.34 |
Merced | 72635 | 26.02 |
Modoc | 627 | 7.19 |
Mono | 2235 | 16.82 |
Monterey | 127488 | 29.04 |
Napa | 29822 | 21.49 |
Nevada | 6235 | 6.11 |
Orange | 937214 | 29.45 |
Placer | 46938 | 11.73 |
Plumas | 716 | 3.65 |
Riverside | 518941 | 21.54 |
Sacramento | 330496 | 21.03 |
San Benito | 12650 | 19.98 |
San Bernardino | 448440 | 20.66 |
San Diego | 749110 | 22.73 |
San Francisco | 295398 | 34.11 |
San Joaquin | 179920 | 23.32 |
San Luis Obispo | 27338 | 9.67 |
San Mateo | 267704 | 35.11 |
Santa Barbara | 100250 | 22.40 |
Santa Clara | 771644 | 39.94 |
Santa Cruz | 48513 | 17.83 |
Shasta | 10118 | 5.56 |
Sierra | 101 | 3.28 |
Siskiyou | 2572 | 5.83 |
Solano | 89017 | 19.72 |
Sonoma | 80398 | 16.33 |
Stanislaus | 110931 | 20.14 |
Sutter | 21629 | 21.83 |
Tehama | 5561 | 8.51 |
Trinity | 1227 | 7.76 |
Tulare | 102060 | 21.67 |
Tuolumne | 2914 | 5.28 |
Ventura | 178462 | 21.11 |
Yolo | 48433 | 22.35 |
Yuba | 10251 | 12.75 |