RANKING · 2010 CENSUS · 57 SHOWN OF 57

Highest Norwegian population share, California counties · 2010

California counties ranked by the share of all residents who are Norwegian ancestry (2010 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. This list covers the 57 counties in California that qualify, ranked against each other statewide. The median across all 57 is 1.5%.

Norwegian Americans: full group profile →

CaliforniaAll states All rankings

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

RANKPLACESTATEPOPNORWEGIAN SHAREVS –

01Trinity County, CACA15,7203.3%–

02Sierra County, CACA3,0983.2%–

03Calaveras County, CACA46,6053.0%–

04Placer County, CACA442,0812.9%–

05Tuolumne County, CACA53,1602.9%–

06El Dorado County, CACA192,3232.8%–

07Nevada County, CACA101,9112.7%–

08Mono County, CACA12,5052.6%–

09Humboldt County, CACA131,6472.5%–

10Amador County, CACA41,8762.5%–

11Shasta County, CACA181,6482.4%–

12Siskiyou County, CACA42,0132.4%–

13Butte County, CACA209,2112.3%–

14Del Norte County, CACA26,4102.3%–

15San Luis Obispo County, CACA282,3672.3%–

16Lake County, CACA67,7722.0%–

17Marin County, CACA253,6941.9%–

18Sonoma County, CACA486,4441.9%–

19Tehama County, CACA64,6651.9%–

20Napa County, CACA132,9491.8%–

21Inyo County, CACA18,1581.8%–

22Santa Cruz County, CACA258,8521.8%–

23Lassen County, CACA28,1171.8%–

24Modoc County, CACA8,4261.7%–

25Mendocino County, CACA88,1221.6%–

26Santa Barbara County, CACA442,0651.6%–

27Plumas County, CACA18,5831.5%–

28Contra Costa County, CACA1,170,0701.5%–

29Ventura County, CACA830,8511.5%–

30Sacramento County, CACA1,618,4601.5%–

31Sutter County, CACA98,7871.4%–

32San Diego County, CACA3,282,2481.4%–

33Yolo County, CACA224,4101.4%–

34Solano County, CACA455,3761.3%–

35Orange County, CACA3,149,5071.2%–

36Riverside County, CACA2,544,9161.2%–

37Stanislaus County, CACA557,7191.1%–

38Yuba County, CACA88,6911.1%–

39Santa Clara County, CACA1,914,3911.1%–

40Mariposa County, CACA16,9181.0%–

41San Mateo County, CACA743,5681.0%–

42San Joaquin County, CACA823,8151.0%–

43San Francisco County, CACA826,0791.0%–

44Alameda County, CACA1,636,6300.9%–

45Kern County, CACA927,0680.9%–

46Madera County, CACA167,9270.9%–

47Monterey County, CACA433,7290.9%–

48San Bernardino County, CACA2,224,0910.9%–

49Colusa County, CACA21,8360.8%–

50San Benito County, CACA70,0820.8%–

51Glenn County, CACA28,1410.8%–

52Merced County, CACA297,2600.8%–

53Fresno County, CACA1,035,4560.7%–

54Los Angeles County, CACA9,694,9340.6%–

55Kings County, CACA154,3270.5%–

56Tulare County, CACA485,1460.5%–

57Imperial County, CACA181,4110.2%–

SHOWING 1–57 OF 57

Download CSV (full list, 57 rows)

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