Ranking of California Counties By Natural Population Increase in 2015
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2015, the Natural Population Increase for California was 246.58K. Among all California counties, Los Angeles County had the highest natural population increase (67.88K), followed by San Diego County (23.89K), and Orange County (19.59K).
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.
Related Topics: California Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2015 Census.
See this for other years:
Ranking of California Counties By Natural Population Increase in 2015
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| Rank | County | Natural Pop. Increase |
|---|---|---|
| 1 | Los Angeles County | 67884 |
| 2 | San Diego County | 23887 |
| 3 | Orange County | 19588 |
| 4 | San Bernardino County | 18012 |
| 5 | Riverside County | 14774 |
| 6 | Santa Clara County | 13797 |
| 7 | Alameda County | 9890 |
| 8 | Fresno County | 9056 |
| 9 | Sacramento County | 8655 |
| 10 | Kern County | 8165 |
| 11 | Contra Costa County | 5001 |
| 12 | Ventura County | 4690 |
| 13 | San Joaquin County | 4601 |
| 14 | Tulare County | 4524 |
| 15 | San Mateo County | 4402 |
| 16 | Monterey County | 3966 |
| 17 | Stanislaus County | 3555 |
| 18 | San Francisco County | 3457 |
| 19 | Santa Barbara County | 2801 |
| 20 | Merced County | 2429 |
| 21 | Imperial County | 2259 |
| 22 | Solano County | 2109 |
| 23 | Kings County | 1556 |
| 24 | Santa Cruz County | 1264 |
| 25 | Madera County | 1244 |
| 26 | Yolo County | 1110 |
| 27 | Sonoma County | 1032 |
| 28 | Yuba County | 600 |
| 29 | Placer County | 572 |
| 30 | Sutter County | 511 |
| 31 | San Benito County | 423 |
| 32 | Marin County | 345 |
| 33 | San Luis Obispo County | 291 |
| 34 | Napa County | 244 |
| 35 | Tehama County | 206 |
| 36 | Mendocino County | 168 |
| 37 | Butte County | 150 |
| 37 | Humboldt County | 150 |
| 38 | Colusa County | 136 |
| 39 | Glenn County | 127 |
| 40 | Mono County | 111 |
| 41 | Lassen County | 72 |
| 42 | El Dorado County | 54 |
| 43 | Del Norte County | 10 |
| 44 | Inyo County | 5 |
| 45 | Alpine County | -8 |
| 46 | Sierra County | -13 |
| 47 | Modoc County | -29 |
| 48 | Mariposa County | -41 |
| 49 | Trinity County | -52 |
| 50 | Plumas County | -88 |
| 51 | Calaveras County | -111 |
| 52 | Lake County | -134 |
| 53 | Amador County | -136 |
| 54 | Siskiyou County | -145 |
| 55 | Tuolumne County | -165 |
| 56 | Shasta County | -186 |
| 57 | Nevada County | -196 |