RANKING · 1990 CENSUS · 58 SHOWN OF 58

Most graduate degrees, California counties · 1990

California counties ranked by the share of adults 25+ holding a graduate or professional degree (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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Marin County, CACA253,69417.0%−17%

02Yolo County, CACA224,41013.7%−14%

03San Francisco County, CACA826,07913.0%−21%

04Santa Clara County, CACA1,914,39112.0%−27%

05San Mateo County, CACA743,56811.1%−24%

06Alameda County, CACA1,636,63010.9%−20%

07Contra Costa County, CACA1,170,07010.6%−13%

08Santa Cruz County, CACA258,85210.4%−17%

09Santa Barbara County, CACA442,06510.0%−12%

10Orange County, CACA3,149,5079.1%−12%

11San Diego County, CACA3,282,2488.8%−19%

12Sonoma County, CACA486,4447.9%−19%

13Ventura County, CACA830,8517.9%−17%

14Los Angeles County, CACA9,694,9347.8%−11%

15Monterey County, CACA433,7297.6%−13%

16Napa County, CACA132,9497.6%−19%

17San Luis Obispo County, CACA282,3677.4%−21%

18Sacramento County, CACA1,618,4607.1%−12%

19Placer County, CACA442,0816.6%−31%

20Nevada County, CACA101,9116.5%−25%

21Butte County, CACA209,2116.0%−15%

22Humboldt County, CACA131,6475.9%−20%

23Mendocino County, CACA88,1225.9%−26%

24Mono County, CACA12,5055.8%−42%

25El Dorado County, CACA192,3235.8%−32%

26Mariposa County, CACA16,9185.4%−7%

27Solano County, CACA455,3765.3%−17%

28San Bernardino County, CACA2,224,0915.2%−7%

29Fresno County, CACA1,035,4565.0%−9%

30Riverside County, CACA2,544,9164.9%−17%

31Sutter County, CACA98,7874.8%+8%

32Tuolumne County, CACA53,1604.5%−25%

33Alpine County, CACA1,0434.3%−48%

34Plumas County, CACA18,5834.3%−25%

35Kern County, CACA927,0684.2%−6%

36San Benito County, CACA70,0824.1%−19%

37Inyo County, CACA18,1584.1%−38%

38San Joaquin County, CACA823,8154.1%−6%

39Shasta County, CACA181,6484.1%−23%

40Siskiyou County, CACA42,0134.0%−33%

41Calaveras County, CACA46,6053.9%−30%

42Stanislaus County, CACA557,7193.9%−12%

43Madera County, CACA167,9273.9%+1%

44Sierra County, CACA3,0983.8%−34%

45Lassen County, CACA28,1173.8%+27%

46Merced County, CACA297,2603.7%+9%

47Amador County, CACA41,8763.6%−40%

48Imperial County, CACA181,4113.6%−3%

49Tulare County, CACA485,1463.5%−5%

50Modoc County, CACA8,4263.3%−9%

51Del Norte County, CACA26,4103.2%+7%

52Trinity County, CACA15,7203.1%−37%

53Lake County, CACA67,7722.9%−36%

54Colusa County, CACA21,8362.8%−0%

55Tehama County, CACA64,6652.6%−13%

56Yuba County, CACA88,6912.5%−28%

57Kings County, CACA154,3272.5%−8%

58Glenn County, CACA28,1412.3%−21%

SHOWING 1–58 OF 58

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