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.

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Ranking of California Counties By Natural Population Increase in 2015
Los Angeles
67.88K
San Diego
23.89K
Orange
19.59K
San Bernardino
18.01K
Riverside
14.77K
Santa Clara
13.80K
Alameda
9.89K
Fresno
9.06K
Sacramento
8.65K
Kern
8.16K
Ranking of California Counties By Natural Population Increase in 2015
Rank
County
Natural Pop. Increase
1 Los Angeles County 67,884
2 San Diego County 23,887
3 Orange County 19,588
4 San Bernardino County 18,012
5 Riverside County 14,774
6 Santa Clara County 13,797
7 Alameda County 9,890
8 Fresno County 9,056
9 Sacramento County 8,655
10 Kern County 8,165
11 Contra Costa County 5,001
12 Ventura County 4,690
13 San Joaquin County 4,601
14 Tulare County 4,524
15 San Mateo County 4,402
16 Monterey County 3,966
17 Stanislaus County 3,555
18 San Francisco County 3,457
19 Santa Barbara County 2,801
20 Merced County 2,429
21 Imperial County 2,259
22 Solano County 2,109
23 Kings County 1,556
24 Santa Cruz County 1,264
25 Madera County 1,244
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