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.

CaliforniaAll states All rankings

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 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS