Ranking of California Counties By Number of Births in 2020
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2020, the Number of Births for California was 448.16K. Among all California counties, Los Angeles County had the highest number of births (107.79K), followed by San Diego County (39.08K), and Orange County (35.16K).
The chart below shows the top 10 counties, and the table below shows the ranking of all California counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
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Related Topics: California Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2020 Census.
See this for other years:
Ranking of California Counties By Number of Births in 2020
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| Rank | County | Number of Births |
|---|---|---|
| 1 | Los Angeles County | 107789 |
| 2 | San Diego County | 39080 |
| 3 | Orange County | 35163 |
| 4 | San Bernardino County | 28808 |
| 5 | Riverside County | 28383 |
| 6 | Santa Clara County | 21070 |
| 7 | Sacramento County | 19084 |
| 8 | Alameda County | 18186 |
| 9 | Fresno County | 14251 |
| 10 | Kern County | 12826 |
| 11 | Contra Costa County | 11771 |
| 12 | San Joaquin County | 9957 |
| 13 | Ventura County | 8820 |
| 14 | San Francisco County | 8547 |
| 15 | San Mateo County | 8226 |
| 16 | Stanislaus County | 7335 |
| 17 | Tulare County | 6787 |
| 18 | Monterey County | 5799 |
| 19 | Santa Barbara County | 5390 |
| 20 | Solano County | 5023 |
| 21 | Sonoma County | 4353 |
| 22 | Merced County | 3855 |
| 23 | Placer County | 3678 |
| 24 | Imperial County | 2541 |
| 25 | San Luis Obispo County | 2423 |
| 26 | Santa Cruz County | 2402 |
| 27 | Butte County | 2236 |
| 28 | Kings County | 2184 |
| 29 | Yolo County | 2068 |
| 30 | Marin County | 2065 |
| 31 | Madera County | 2042 |
| 32 | Shasta County | 1918 |
| 33 | El Dorado County | 1608 |
| 34 | Humboldt County | 1370 |
| 35 | Sutter County | 1244 |
| 36 | Napa County | 1226 |
| 37 | Yuba County | 1138 |
| 38 | Mendocino County | 890 |
| 39 | San Benito County | 808 |
| 40 | Nevada County | 790 |
| 41 | Tehama County | 765 |
| 42 | Lake County | 732 |
| 43 | Tuolumne County | 457 |
| 44 | Calaveras County | 390 |
| 45 | Glenn County | 385 |
| 46 | Siskiyou County | 383 |
| 47 | Amador County | 314 |
| 48 | Lassen County | 291 |
| 49 | Del Norte County | 267 |
| 50 | Colusa County | 260 |
| 51 | Inyo County | 181 |
| 52 | Plumas County | 154 |
| 53 | Mariposa County | 136 |
| 54 | Mono County | 119 |
| 55 | Trinity County | 96 |
| 56 | Modoc County | 68 |
| 57 | Sierra County | 18 |
| 58 | Alpine County | 10 |
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