RANKING · 2010 CENSUS · 58 SHOWN OF 58

Largest Italian population, California counties · 2010

California counties ranked by the number of residents who are Italian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 8,969.

Italian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPITALIAN POPULATIONVS –

01Los Angeles County, CACA9,694,934275,862–

02San Diego County, CACA3,282,248144,319–

03Orange County, CACA3,149,507133,300–

04Riverside County, CACA2,544,91682,693–

05Santa Clara County, CACA1,914,39180,459–

06San Bernardino County, CACA2,224,09172,670–

07Sacramento County, CACA1,618,46070,561–

08Contra Costa County, CACA1,170,07062,794–

09Alameda County, CACA1,636,63055,129–

10San Mateo County, CACA743,56848,534–

11Sonoma County, CACA486,44444,152–

12Ventura County, CACA830,85141,025–

13San Francisco County, CACA826,07938,870–

14San Joaquin County, CACA823,81533,937–

15Fresno County, CACA1,035,45631,467–

16Placer County, CACA442,08126,432–

17Marin County, CACA253,69423,065–

18Kern County, CACA927,06821,914–

19Stanislaus County, CACA557,71920,469–

20Santa Barbara County, CACA442,06519,606–

21Santa Cruz County, CACA258,85218,437–

22Monterey County, CACA433,72917,078–

23Solano County, CACA455,37616,844–

24San Luis Obispo County, CACA282,36716,261–

25El Dorado County, CACA192,32314,222–

26Butte County, CACA209,21114,063–

27Shasta County, CACA181,6489,636–

28Yolo County, CACA224,4109,547–

29Humboldt County, CACA131,6478,969–

30Napa County, CACA132,9498,455–

31Nevada County, CACA101,9117,983–

32Tulare County, CACA485,1466,726–

33Merced County, CACA297,2606,365–

34Mendocino County, CACA88,1225,935–

35Tuolumne County, CACA53,1604,875–

36Madera County, CACA167,9274,820–

37Lake County, CACA67,7724,687–

38Calaveras County, CACA46,6054,106–

39Kings County, CACA154,3274,075–

40San Benito County, CACA70,0823,973–

41Sutter County, CACA98,7873,692–

42Amador County, CACA41,8763,595–

43Siskiyou County, CACA42,0133,346–

44Yuba County, CACA88,6912,635–

45Tehama County, CACA64,6652,360–

46Imperial County, CACA181,4112,059–

47Lassen County, CACA28,1171,699–

48Plumas County, CACA18,5831,436–

49Del Norte County, CACA26,4101,424–

50Mariposa County, CACA16,9181,142–

51Mono County, CACA12,5051,027–

52Glenn County, CACA28,141944–

53Trinity County, CACA15,720813–

54Colusa County, CACA21,836666–

55Inyo County, CACA18,158625–

56Modoc County, CACA8,426290–

57Sierra County, CACA3,098276–

58Alpine County, CACA1,043132–

SHOWING 1–58 OF 58

Download CSV (full list, 58 rows)

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