RANKING · 2024 ACS · 58 SHOWN OF 58

Lowest fertility rate, California counties

California counties with the lowest 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

01Sierra County, CACA3,0981.9–

02Inyo County, CACA18,15815.4–

03Mariposa County, CACA16,91816.6–

04Humboldt County, CACA131,64729.6–

05Yolo County, CACA224,41037.5–

06Plumas County, CACA18,58337.6–

07San Francisco County, CACA826,07937.9–

08Mono County, CACA12,50538.8–

09Butte County, CACA209,21139.1–

10Shasta County, CACA181,64841.4–

11El Dorado County, CACA192,32342.2–

12Los Angeles County, CACA9,694,93442.3–

13Santa Clara County, CACA1,914,39142.7–

14Nevada County, CACA101,91142.9–

15Trinity County, CACA15,72043.0–

16Napa County, CACA132,94943.4–

17Orange County, CACA3,149,50744.0–

18Del Norte County, CACA26,41044.1–

19San Luis Obispo County, CACA282,36744.6–

20Alameda County, CACA1,636,63045.3–

21Lassen County, CACA28,11746.1–

22Santa Cruz County, CACA258,85246.1–

23Santa Barbara County, CACA442,06546.2–

24Siskiyou County, CACA42,01347.2–

25Monterey County, CACA433,72947.6–

26San Mateo County, CACA743,56849.0–

27Sonoma County, CACA486,44449.4–

28Stanislaus County, CACA557,71949.6–

29San Benito County, CACA70,08249.6–

30San Diego County, CACA3,282,24850.7–

31Sacramento County, CACA1,618,46051.0–

32Riverside County, CACA2,544,91651.8–

33Ventura County, CACA830,85151.8–

34San Bernardino County, CACA2,224,09151.9–

35San Joaquin County, CACA823,81552.4–

36Fresno County, CACA1,035,45654.3–

37Tuolumne County, CACA53,16054.8–

38Contra Costa County, CACA1,170,07055.6–

39Placer County, CACA442,08157.0–

40Imperial County, CACA181,41157.6–

41Marin County, CACA253,69457.7–

42Merced County, CACA297,26058.1–

43Mendocino County, CACA88,12259.2–

44Tulare County, CACA485,14660.8–

45Kern County, CACA927,06862.0–

46Solano County, CACA455,37662.1–

47Sutter County, CACA98,78764.8–

48Tehama County, CACA64,66571.7–

49Glenn County, CACA28,14173.4–

50Kings County, CACA154,32774.7–

51Yuba County, CACA88,69176.2–

52Lake County, CACA67,77277.2–

53Madera County, CACA167,92779.8–

54Amador County, CACA41,87682.1–

55Colusa County, CACA21,83693.3–

56Modoc County, CACA8,426112.4–

57Calaveras County, CACA46,605122.6–

58Alpine County, CACA1,043196.9–

SHOWING 1–58 OF 58

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