RANKING · 2020 CENSUS · 56 SHOWN OF 56

Least segregated, California counties · 2020

California counties with the lowest CensusEasy Segregation Score, where residents of every race are spread most evenly across neighborhoods (2020 ACS). This list covers the 56 counties in California that qualify, ranked against each other statewide. The median across all 56 is 31.

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SAME RANKING BYMetros

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

RANKPLACESTATEPOPSEGREGATION SCOREVS –

01Trinity County, CACA15,7206–

02Modoc County, CACA8,42611–

03Mono County, CACA12,50511–

04Mariposa County, CACA16,91813–

05Calaveras County, CACA46,60515–

06Inyo County, CACA18,15817–

07Del Norte County, CACA26,41018–

08Shasta County, CACA181,64819–

09Plumas County, CACA18,58320–

10Mendocino County, CACA88,12220–

11Sutter County, CACA98,78721–

12Colusa County, CACA21,83621–

13Yolo County, CACA224,41022–

14Lake County, CACA67,77222–

15Siskiyou County, CACA42,01322–

16Yuba County, CACA88,69122–

17Nevada County, CACA101,91123–

18Placer County, CACA442,08123–

19El Dorado County, CACA192,32324–

20Humboldt County, CACA131,64724–

21Butte County, CACA209,21125–

22San Luis Obispo County, CACA282,36725–

23Tuolumne County, CACA53,16026–

24Amador County, CACA41,87626–

25Glenn County, CACA28,14127–

26Tehama County, CACA64,66527–

27Sonoma County, CACA486,44429–

28Merced County, CACA297,26030–

29Stanislaus County, CACA557,71931–

30Napa County, CACA132,94931–

31Marin County, CACA253,69433–

32Solano County, CACA455,37633–

33San Benito County, CACA70,08234–

34San Francisco County, CACA826,07935–

35San Joaquin County, CACA823,81535–

36Kings County, CACA154,32735–

37Riverside County, CACA2,544,91636–

38Tulare County, CACA485,14638–

39Sacramento County, CACA1,618,46038–

40Santa Clara County, CACA1,914,39138–

41Imperial County, CACA181,41139–

42San Bernardino County, CACA2,224,09139–

43Alameda County, CACA1,636,63039–

44Fresno County, CACA1,035,45640–

45San Mateo County, CACA743,56840–

46Contra Costa County, CACA1,170,07041–

47San Diego County, CACA3,282,24841–

48Lassen County, CACA28,11741–

49Orange County, CACA3,149,50743–

50Santa Barbara County, CACA442,06543–

51Ventura County, CACA830,85146–

52Madera County, CACA167,92747–

53Santa Cruz County, CACA258,85247–

54Kern County, CACA927,06849–

55Monterey County, CACA433,72954–

56Los Angeles County, CACA9,694,93455–

SHOWING 1–56 OF 56

Download CSV (full list, 56 rows)How this score is calculated

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