RANKING · 2024 ACS · 56 SHOWN OF 56

Least segregated, California counties

California counties with the lowest CensusEasy Segregation Score, where residents of every race are spread most evenly across neighborhoods (2024 ACS). This list covers the 56 counties in California that qualify, ranked against each other statewide.

Flip the list · Most segregated, US counties →

CaliforniaAll states All rankings

SAME RANKING BYMetros

YEAR2020 2024

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01Mariposa County, CACA16,91812−9%

02Mono County, CACA12,50512+7%

03Trinity County, CACA15,72012+86%

04Del Norte County, CACA26,41012−33%

05Modoc County, CACA8,42613+17%

06Inyo County, CACA18,15814−22%

07Nevada County, CACA101,91117−25%

08Colusa County, CACA21,83618−16%

09Shasta County, CACA181,64818−8%

10El Dorado County, CACA192,32319−23%

11Calaveras County, CACA46,60519+28%

12Yolo County, CACA224,41019−14%

13Plumas County, CACA18,58319−2%

14Tuolumne County, CACA53,16020−25%

15Humboldt County, CACA131,64720−19%

16Butte County, CACA209,21120−19%

17Mendocino County, CACA88,12221+3%

18Sutter County, CACA98,78721+1%

19Siskiyou County, CACA42,01321−5%

20Placer County, CACA442,08121−8%

21Amador County, CACA41,87622−17%

22Lake County, CACA67,77222+0%

23Glenn County, CACA28,14123−14%

24Yuba County, CACA88,69124+6%

25San Luis Obispo County, CACA282,36725−1%

26Lassen County, CACA28,11728−33%

27Napa County, CACA132,94928−10%

28Tehama County, CACA64,66528+4%

29Sonoma County, CACA486,44429−1%

30Merced County, CACA297,26030+0%

31Solano County, CACA455,37631−6%

32Marin County, CACA253,69432−3%

33San Benito County, CACA70,08232−6%

34Stanislaus County, CACA557,71932+5%

35Tulare County, CACA485,14634−10%

36San Francisco County, CACA826,07934−1%

37Kings County, CACA154,32734−3%

38Santa Clara County, CACA1,914,39136−5%

39Riverside County, CACA2,544,91636+1%

40San Joaquin County, CACA823,81537+5%

41San Mateo County, CACA743,56838−6%

42Sacramento County, CACA1,618,46038+0%

43Imperial County, CACA181,41138−1%

44Alameda County, CACA1,636,63038−1%

45San Diego County, CACA3,282,24839−6%

46Contra Costa County, CACA1,170,07039−6%

47San Bernardino County, CACA2,224,09140+2%

48Fresno County, CACA1,035,45640+0%

49Santa Barbara County, CACA442,06542−3%

50Orange County, CACA3,149,50742−1%

51Ventura County, CACA830,85143−6%

52Santa Cruz County, CACA258,85244−6%

53Kern County, CACA927,06847−4%

54Madera County, CACA167,92748+3%

55Los Angeles County, CACA9,694,93453−3%

56Monterey County, CACA433,72956+2%

SHOWING 1–56 OF 56

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

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES