RANKING · 2010 CENSUS · 58 SHOWN OF 58

Most income inequality (Gini), California counties · 2010

California counties ranked by Gini index of household income inequality, where 0 = perfect equality and 1 = maximum inequality (2023 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPINCOME INEQUALITY (GINI)VS 2000

01San Francisco County, CACA826,0790.507–

02Marin County, CACA253,6940.498–

03Los Angeles County, CACA9,694,9340.489–

04Santa Barbara County, CACA442,0650.475–

05Humboldt County, CACA131,6470.473–

06Imperial County, CACA181,4110.469–

07Santa Cruz County, CACA258,8520.467–

08San Mateo County, CACA743,5680.467–

09Napa County, CACA132,9490.461–

10Merced County, CACA297,2600.460–

11Fresno County, CACA1,035,4560.459–

12Alameda County, CACA1,636,6300.456–

13San Luis Obispo County, CACA282,3670.456–

14Yolo County, CACA224,4100.456–

15Orange County, CACA3,149,5070.455–

16Contra Costa County, CACA1,170,0700.453–

17Shasta County, CACA181,6480.453–

18Tehama County, CACA64,6650.453–

19Kern County, CACA927,0680.452–

20San Diego County, CACA3,282,2480.452–

21Monterey County, CACA433,7290.450–

22Santa Clara County, CACA1,914,3910.450–

23Alpine County, CACA1,0430.449–

24Butte County, CACA209,2110.449–

25Del Norte County, CACA26,4100.448–

26Siskiyou County, CACA42,0130.448–

27Plumas County, CACA18,5830.446–

28Tulare County, CACA485,1460.445–

29Mendocino County, CACA88,1220.444–

30Lake County, CACA67,7720.442–

31Madera County, CACA167,9270.441–

32Sonoma County, CACA486,4440.441–

33Stanislaus County, CACA557,7190.441–

34Riverside County, CACA2,544,9160.439–

35San Joaquin County, CACA823,8150.437–

36Glenn County, CACA28,1410.436–

37Ventura County, CACA830,8510.435–

38Tuolumne County, CACA53,1600.433–

39Sacramento County, CACA1,618,4600.431–

40Modoc County, CACA8,4260.430–

41Colusa County, CACA21,8360.429–

42Mariposa County, CACA16,9180.428–

43Inyo County, CACA18,1580.427–

44Nevada County, CACA101,9110.426–

45Sutter County, CACA98,7870.424–

46Lassen County, CACA28,1170.422–

47Placer County, CACA442,0810.422–

48San Bernardino County, CACA2,224,0910.422–

49El Dorado County, CACA192,3230.421–

50Yuba County, CACA88,6910.418–

51San Benito County, CACA70,0820.414–

52Kings County, CACA154,3270.413–

53Calaveras County, CACA46,6050.412–

54Trinity County, CACA15,7200.409–

55Solano County, CACA455,3760.404–

56Mono County, CACA12,5050.401–

57Amador County, CACA41,8760.399–

58Sierra County, CACA3,0980.389–

SHOWING 1–58 OF 58

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES