RANKING · 2000 CENSUS · 58 SHOWN OF 58

Fewest graduate degrees, California counties · 2000

California counties with the smallest 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

01Kings County, CACA154,3272.7%+0%

02Colusa County, CACA21,8362.8%+0%

03Glenn County, CACA28,1412.9%+0%

04Tehama County, CACA64,6652.9%+0%

05Del Norte County, CACA26,4103.0%+0%

06Lassen County, CACA28,1173.0%+0%

07Merced County, CACA297,2603.4%+0%

08Yuba County, CACA88,6913.5%+0%

09Modoc County, CACA8,4263.6%+0%

10Imperial County, CACA181,4113.7%+0%

11Tulare County, CACA485,1463.7%+0%

12Madera County, CACA167,9273.8%+0%

13San Joaquin County, CACA823,8154.4%+0%

14Sutter County, CACA98,7874.4%+0%

15Stanislaus County, CACA557,7194.4%+0%

16Kern County, CACA927,0684.5%+0%

17Lake County, CACA67,7724.5%+0%

18Trinity County, CACA15,7204.9%+0%

19San Benito County, CACA70,0825.1%+0%

20Shasta County, CACA181,6485.3%+0%

21San Bernardino County, CACA2,224,0915.5%+0%

22Fresno County, CACA1,035,4565.5%+0%

23Calaveras County, CACA46,6055.6%+0%

24Plumas County, CACA18,5835.8%+0%

25Sierra County, CACA3,0985.8%+0%

26Mariposa County, CACA16,9185.9%+0%

27Siskiyou County, CACA42,0135.9%+0%

28Riverside County, CACA2,544,9165.9%+0%

29Tuolumne County, CACA53,1606.0%+0%

30Amador County, CACA41,8766.0%+0%

31Solano County, CACA455,3766.3%+0%

32Inyo County, CACA18,1586.6%+0%

33Butte County, CACA209,2117.0%+0%

34Humboldt County, CACA131,6477.4%+0%

35Mendocino County, CACA88,1228.0%+0%

36Sacramento County, CACA1,618,4608.1%+0%

37Alpine County, CACA1,0438.4%+0%

38El Dorado County, CACA192,3238.4%+0%

39Monterey County, CACA433,7298.7%+0%

40Nevada County, CACA101,9118.8%+0%

41Los Angeles County, CACA9,694,9348.8%+0%

42San Luis Obispo County, CACA282,3679.3%+0%

43Napa County, CACA132,9499.4%+0%

44Ventura County, CACA830,8519.5%+0%

45Placer County, CACA442,0819.5%+0%

46Sonoma County, CACA486,4449.7%+0%

47Mono County, CACA12,5059.9%+0%

48Orange County, CACA3,149,50710.4%+0%

49San Diego County, CACA3,282,24810.9%+0%

50Santa Barbara County, CACA442,06511.4%+0%

51Contra Costa County, CACA1,170,07012.2%+0%

52Santa Cruz County, CACA258,85212.5%+0%

53Alameda County, CACA1,636,63013.7%+0%

54San Mateo County, CACA743,56814.6%+0%

55Yolo County, CACA224,41016.0%+0%

56San Francisco County, CACA826,07916.4%+0%

57Santa Clara County, CACA1,914,39116.4%+0%

58Marin County, CACA253,69420.5%+0%

SHOWING 1–58 OF 58

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