RANKING · 2024 ACS · 58 SHOWN OF 58

Highest fertility rate, California counties

California counties ranked by general fertility rate — births per 1,000 women ages 15-50 in the past 12 months (2023 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPBIRTHS PER 1,000 WOMEN (15-50)VS 2000

01Alpine County, CACA1,043196.9–

02Calaveras County, CACA46,605122.6–

03Modoc County, CACA8,426112.4–

04Colusa County, CACA21,83693.3–

05Amador County, CACA41,87682.1–

06Madera County, CACA167,92779.8–

07Lake County, CACA67,77277.2–

08Yuba County, CACA88,69176.2–

09Kings County, CACA154,32774.7–

10Glenn County, CACA28,14173.4–

11Tehama County, CACA64,66571.7–

12Sutter County, CACA98,78764.8–

13Solano County, CACA455,37662.1–

14Kern County, CACA927,06862.0–

15Tulare County, CACA485,14660.8–

16Mendocino County, CACA88,12259.2–

17Merced County, CACA297,26058.1–

18Marin County, CACA253,69457.7–

19Imperial County, CACA181,41157.6–

20Placer County, CACA442,08157.0–

21Contra Costa County, CACA1,170,07055.6–

22Tuolumne County, CACA53,16054.8–

23Fresno County, CACA1,035,45654.3–

24San Joaquin County, CACA823,81552.4–

25San Bernardino County, CACA2,224,09151.9–

26Ventura County, CACA830,85151.8–

27Riverside County, CACA2,544,91651.8–

28Sacramento County, CACA1,618,46051.0–

29San Diego County, CACA3,282,24850.7–

30San Benito County, CACA70,08249.6–

31Stanislaus County, CACA557,71949.6–

32Sonoma County, CACA486,44449.4–

33San Mateo County, CACA743,56849.0–

34Monterey County, CACA433,72947.6–

35Siskiyou County, CACA42,01347.2–

36Santa Barbara County, CACA442,06546.2–

37Santa Cruz County, CACA258,85246.1–

38Lassen County, CACA28,11746.1–

39Alameda County, CACA1,636,63045.3–

40San Luis Obispo County, CACA282,36744.6–

41Del Norte County, CACA26,41044.1–

42Orange County, CACA3,149,50744.0–

43Napa County, CACA132,94943.4–

44Trinity County, CACA15,72043.0–

45Nevada County, CACA101,91142.9–

46Santa Clara County, CACA1,914,39142.7–

47Los Angeles County, CACA9,694,93442.3–

48El Dorado County, CACA192,32342.2–

49Shasta County, CACA181,64841.4–

50Butte County, CACA209,21139.1–

51Mono County, CACA12,50538.8–

52San Francisco County, CACA826,07937.9–

53Plumas County, CACA18,58337.6–

54Yolo County, CACA224,41037.5–

55Humboldt County, CACA131,64729.6–

56Mariposa County, CACA16,91816.6–

57Inyo County, CACA18,15815.4–

58Sierra County, CACA3,0981.9–

SHOWING 1–58 OF 58

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES