RANKING · 2024 ACS · 56 SHOWN OF 56

Most segregated, California counties

California counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2024 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 56 counties in California that qualify, ranked against each other statewide. The median across all 56 is 29. Biggest climber in the top 100 since 2020: Yuba County, CA, up 8 places to #33.

Flip the list · Least segregated, US counties →

CaliforniaAll states All rankings

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 2020

01▲1Monterey County, CACA433,72956+2%

02▼1Los Angeles County, CACA9,694,93453−3%

03▲2Madera County, CACA167,92748+3%

04▼1Kern County, CACA927,06847−4%

05▼1Santa Cruz County, CACA258,85244−6%

06Ventura County, CACA830,85143−6%

07▲1Orange County, CACA3,149,50742−1%

08▼1Santa Barbara County, CACA442,06542−3%

09▲4Fresno County, CACA1,035,456400%

10▲5San Bernardino County, CACA2,224,09140+2%

11Contra Costa County, CACA1,170,07039−6%

12▼2San Diego County, CACA3,282,24839−6%

13▲1Alameda County, CACA1,636,63038−1%

14▲2Imperial County, CACA181,41138−1%

15▲3Sacramento County, CACA1,618,460380%

16▼4San Mateo County, CACA743,56838−6%

17▲5San Joaquin County, CACA823,81537+5%

18▲2Riverside County, CACA2,544,91636+1%

19▼2Santa Clara County, CACA1,914,39136−5%

20▲1Kings County, CACA154,32734−3%

21▲2San Francisco County, CACA826,07934−1%

22▼3Tulare County, CACA485,14634−10%

23▲5Stanislaus County, CACA557,71932+5%

24San Benito County, CACA70,08232−6%

25▲1Marin County, CACA253,69432−3%

26▼1Solano County, CACA455,37631−6%

27▲2Merced County, CACA297,260300%

28▲2Sonoma County, CACA486,44429−1%

29▲2Tehama County, CACA64,66528+4%

30▼3Napa County, CACA132,94928−10%

31▼22Lassen County, CACA28,11728−33%

32▲3San Luis Obispo County, CACA282,36725−1%

33▲8Yuba County, CACA88,69124+6%

34▼2Glenn County, CACA28,14123−14%

35▲8Lake County, CACA67,772220%

36▼3Amador County, CACA41,87622−17%

37▲2Placer County, CACA442,08121−8%

38▲4Siskiyou County, CACA42,01321−5%

39▲7Sutter County, CACA98,78721+1%

40▲7Mendocino County, CACA88,12221+3%

41▼5Butte County, CACA209,21120−19%

42▼5Humboldt County, CACA131,64720−19%

43▼9Tuolumne County, CACA53,16020−25%

44▲4Plumas County, CACA18,58319−2%

45▼1Yolo County, CACA224,41019−14%

46▲6Calaveras County, CACA46,60519+28%

47▼9El Dorado County, CACA192,32319−23%

48▲1Shasta County, CACA181,64818−8%

49▼4Colusa County, CACA21,83618−16%

50▼10Nevada County, CACA101,91117−25%

51Inyo County, CACA18,15814−22%

52▲3Modoc County, CACA8,42613+17%

53▼3Del Norte County, CACA26,41012−33%

54▲2Trinity County, CACA15,72012+86%

55▼1Mono County, CACA12,50512+7%

56▼3Mariposa County, CACA16,91812−9%

SHOWING 1–56 OF 56

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

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES