RANKING · 1990 CENSUS · 58 SHOWN OF 58

Highest median household income, California counties · 1990

California counties ranked by median household income from the 1990 American Community Survey 5-year estimates. 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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN HOUSEHOLD INCOMEVS –

01Marin County, CACA253,694$48,544–

02Santa Clara County, CACA1,914,391$48,115–

03San Mateo County, CACA743,568$46,437–

04Orange County, CACA3,149,507$45,922–

05Ventura County, CACA830,851$45,612–

06Contra Costa County, CACA1,170,070$45,087–

07Solano County, CACA455,376$39,113–

08Placer County, CACA442,081$37,601–

09Alameda County, CACA1,636,630$37,544–

10Santa Cruz County, CACA258,852$37,112–

11Napa County, CACA132,949$36,773–

12San Benito County, CACA70,082$36,473–

13Sonoma County, CACA486,444$36,299–

14Santa Barbara County, CACA442,065$35,677–

15El Dorado County, CACA192,323$35,058–

16San Diego County, CACA3,282,248$35,022–

17Los Angeles County, CACA9,694,934$34,965–

18Monterey County, CACA433,729$33,520–

19San Bernardino County, CACA2,224,091$33,443–

20San Francisco County, CACA826,079$33,414–

21Riverside County, CACA2,544,916$33,081–

22Sacramento County, CACA1,618,460$32,297–

23Nevada County, CACA101,911$32,200–

24Mono County, CACA12,505$31,924–

25San Luis Obispo County, CACA282,367$31,164–

26San Joaquin County, CACA823,815$30,635–

27Amador County, CACA41,876$30,265–

28Stanislaus County, CACA557,719$29,793–

29Yolo County, CACA224,410$28,866–

30Kern County, CACA927,068$28,634–

31Calaveras County, CACA46,605$27,645–

32Madera County, CACA167,927$27,370–

33Sutter County, CACA98,787$27,096–

34Tuolumne County, CACA53,160$27,030–

35Lassen County, CACA28,117$26,764–

36Mendocino County, CACA88,122$26,443–

37Fresno County, CACA1,035,456$26,377–

38Shasta County, CACA181,648$25,581–

39Merced County, CACA297,260$25,548–

40Kings County, CACA154,327$25,507–

41Mariposa County, CACA16,918$25,272–

42Alpine County, CACA1,043$24,929–

43Colusa County, CACA21,836$24,912–

44Tulare County, CACA485,146$24,450–

45Inyo County, CACA18,158$24,386–

46Plumas County, CACA18,583$24,299–

47Sierra County, CACA3,098$23,657–

48Humboldt County, CACA131,647$23,586–

49Del Norte County, CACA26,410$22,917–

50Glenn County, CACA28,141$22,831–

51Butte County, CACA209,211$22,776–

52Imperial County, CACA181,411$22,442–

53Tehama County, CACA64,665$22,436–

54Modoc County, CACA8,426$22,029–

55Siskiyou County, CACA42,013$21,921–

56Lake County, CACA67,772$21,794–

57Yuba County, CACA88,691$21,523–

58Trinity County, CACA15,720$20,494–

SHOWING 1–58 OF 58

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS