RANKING · 2000 CENSUS · 58 SHOWN OF 58

Most unmarried people, California counties · 2000

California counties with the highest share of people 15 and over who are not currently married (never-married, widowed, or divorced), as of the 2000 American Community Survey. This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 41.9%.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried men

RANKPLACESTATEPOPUNMARRIED PEOPLEVS –

01San Francisco County, CACA826,07959.5%–

02Alpine County, CACA1,04353.7%–

03Humboldt County, CACA131,64751.3%–

04Yolo County, CACA224,41049.9%–

05Santa Cruz County, CACA258,85249.5%–

06Butte County, CACA209,21148.5%–

07Los Angeles County, CACA9,694,93448.0%–

08Alameda County, CACA1,636,63047.6%–

09Sacramento County, CACA1,618,46046.9%–

10San Diego County, CACA3,282,24845.7%–

11Sonoma County, CACA486,44445.6%–

12Mendocino County, CACA88,12245.3%–

13Santa Barbara County, CACA442,06544.9%–

14Lake County, CACA67,77244.9%–

15Fresno County, CACA1,035,45644.4%–

16San Luis Obispo County, CACA282,36744.2%–

17Marin County, CACA253,69444.0%–

18San Mateo County, CACA743,56843.6%–

19Napa County, CACA132,94943.4%–

20Santa Clara County, CACA1,914,39143.4%–

21Mono County, CACA12,50543.3%–

22Yuba County, CACA88,69143.3%–

23Monterey County, CACA433,72943.2%–

24San Bernardino County, CACA2,224,09142.6%–

25Orange County, CACA3,149,50742.5%–

26Merced County, CACA297,26042.3%–

27Mariposa County, CACA16,91842.1%–

28Shasta County, CACA181,64842.1%–

29Stanislaus County, CACA557,71941.9%–

30Inyo County, CACA18,15841.7%–

31Contra Costa County, CACA1,170,07041.7%–

32Riverside County, CACA2,544,91641.7%–

33San Joaquin County, CACA823,81541.6%–

34Tulare County, CACA485,14641.5%–

35Madera County, CACA167,92741.3%–

36Solano County, CACA455,37641.3%–

37Tehama County, CACA64,66541.0%–

38Ventura County, CACA830,85140.5%–

39Kern County, CACA927,06840.5%–

40Trinity County, CACA15,72040.4%–

41Siskiyou County, CACA42,01340.1%–

42Modoc County, CACA8,42640.0%–

43Imperial County, CACA181,41139.9%–

44Colusa County, CACA21,83639.6%–

45Nevada County, CACA101,91139.3%–

46Glenn County, CACA28,14139.1%–

47Sutter County, CACA98,78738.9%–

48Del Norte County, CACA26,41038.4%–

49Sierra County, CACA3,09838.3%–

50Placer County, CACA442,08137.5%–

51El Dorado County, CACA192,32337.2%–

52San Benito County, CACA70,08237.0%–

53Tuolumne County, CACA53,16036.9%–

54Calaveras County, CACA46,60536.1%–

55Plumas County, CACA18,58334.6%–

56Amador County, CACA41,87634.0%–

57Kings County, CACA154,32733.9%–

58Lassen County, CACA28,11730.0%–

SHOWING 1–58 OF 58

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS