RANKING · 2010 CENSUS · 58 SHOWN OF 58

Most equal income distribution, California counties · 2010

California counties with the lowest income inequality, measured by the Gini index (2010 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 0.444.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPINCOME INEQUALITY (GINI)VS –

01Sierra County, CACA3,0980.389–

02Amador County, CACA41,8760.399–

03Mono County, CACA12,5050.401–

04Solano County, CACA455,3760.404–

05Trinity County, CACA15,7200.409–

06Calaveras County, CACA46,6050.412–

07Kings County, CACA154,3270.413–

08San Benito County, CACA70,0820.414–

09Yuba County, CACA88,6910.418–

10El Dorado County, CACA192,3230.421–

11Lassen County, CACA28,1170.422–

12Placer County, CACA442,0810.422–

13San Bernardino County, CACA2,224,0910.422–

14Sutter County, CACA98,7870.424–

15Nevada County, CACA101,9110.426–

16Inyo County, CACA18,1580.427–

17Mariposa County, CACA16,9180.428–

18Colusa County, CACA21,8360.429–

19Modoc County, CACA8,4260.430–

20Sacramento County, CACA1,618,4600.431–

21Tuolumne County, CACA53,1600.433–

22Ventura County, CACA830,8510.435–

23Glenn County, CACA28,1410.436–

24San Joaquin County, CACA823,8150.437–

25Riverside County, CACA2,544,9160.439–

26Madera County, CACA167,9270.441–

27Sonoma County, CACA486,4440.441–

28Stanislaus County, CACA557,7190.441–

29Lake County, CACA67,7720.442–

30Mendocino County, CACA88,1220.444–

31Tulare County, CACA485,1460.445–

32Plumas County, CACA18,5830.446–

33Del Norte County, CACA26,4100.448–

34Siskiyou County, CACA42,0130.448–

35Alpine County, CACA1,0430.449–

36Butte County, CACA209,2110.449–

37Monterey County, CACA433,7290.450–

38Santa Clara County, CACA1,914,3910.450–

39Kern County, CACA927,0680.452–

40San Diego County, CACA3,282,2480.452–

41Contra Costa County, CACA1,170,0700.453–

42Shasta County, CACA181,6480.453–

43Tehama County, CACA64,6650.453–

44Orange County, CACA3,149,5070.455–

45Alameda County, CACA1,636,6300.456–

46San Luis Obispo County, CACA282,3670.456–

47Yolo County, CACA224,4100.456–

48Fresno County, CACA1,035,4560.459–

49Merced County, CACA297,2600.460–

50Napa County, CACA132,9490.461–

51Santa Cruz County, CACA258,8520.467–

52San Mateo County, CACA743,5680.467–

53Imperial County, CACA181,4110.469–

54Humboldt County, CACA131,6470.473–

55Santa Barbara County, CACA442,0650.475–

56Los Angeles County, CACA9,694,9340.489–

57Marin County, CACA253,6940.498–

58San Francisco County, CACA826,0790.507–

SHOWING 1–58 OF 58

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