RANKING · 2020 CENSUS · 58 SHOWN OF 58

Highest Norwegian population share, California counties · 2020

California counties ranked by the share of all residents who are Norwegian ancestry (2020 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 1.3%.

Norwegian Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPNORWEGIAN SHAREVS 2010

01Mono County, CACA12,5053.0%+0.4 pts

02Nevada County, CACA101,9112.9%+0.2 pts

03Humboldt County, CACA131,6472.7%+0.2 pts

04El Dorado County, CACA192,3232.6%−0.1 pts

05Shasta County, CACA181,6482.3%−0.1 pts

06Tuolumne County, CACA53,1602.2%−0.7 pts

07Alpine County, CACA1,0432.2%–

08Mendocino County, CACA88,1222.1%+0.5 pts

09Sonoma County, CACA486,4442.0%+0.2 pts

10Butte County, CACA209,2112.0%−0.3 pts

11Placer County, CACA442,0812.0%−0.9 pts

12Del Norte County, CACA26,4102.0%−0.3 pts

13Plumas County, CACA18,5832.0%+0.4 pts

14Santa Cruz County, CACA258,8521.9%+0.1 pts

15Siskiyou County, CACA42,0131.9%−0.5 pts

16Marin County, CACA253,6941.8%−0.1 pts

17Tehama County, CACA64,6651.8%−0.1 pts

18Napa County, CACA132,9491.7%−0.1 pts

19San Luis Obispo County, CACA282,3671.7%−0.6 pts

20Trinity County, CACA15,7201.6%−1.6 pts

21Calaveras County, CACA46,6051.6%−1.4 pts

22Yuba County, CACA88,6911.5%+0.4 pts

23Mariposa County, CACA16,9181.5%+0.5 pts

24Yolo County, CACA224,4101.4%+0.1 pts

25Inyo County, CACA18,1581.4%−0.4 pts

26Santa Barbara County, CACA442,0651.4%−0.2 pts

27Amador County, CACA41,8761.3%−1.2 pts

28Sierra County, CACA3,0981.3%−1.9 pts

29Contra Costa County, CACA1,170,0701.3%−0.2 pts

30Sacramento County, CACA1,618,4601.3%−0.2 pts

31Lake County, CACA67,7721.2%−0.8 pts

32San Diego County, CACA3,282,2481.2%−0.2 pts

33Ventura County, CACA830,8511.2%−0.3 pts

34Modoc County, CACA8,4261.2%−0.6 pts

35Glenn County, CACA28,1411.0%+0.2 pts

36Solano County, CACA455,3761.0%−0.3 pts

37San Benito County, CACA70,0821.0%+0.2 pts

38Orange County, CACA3,149,5071.0%−0.2 pts

39Stanislaus County, CACA557,7191.0%−0.2 pts

40Sutter County, CACA98,7870.9%−0.6 pts

41Riverside County, CACA2,544,9160.9%−0.3 pts

42San Mateo County, CACA743,5680.9%−0.2 pts

43San Francisco County, CACA826,0790.9%−0.1 pts

44Alameda County, CACA1,636,6300.9%−0.1 pts

45Lassen County, CACA28,1170.8%−1.0 pts

46Santa Clara County, CACA1,914,3910.8%−0.3 pts

47San Bernardino County, CACA2,224,0910.7%−0.2 pts

48San Joaquin County, CACA823,8150.7%−0.3 pts

49Monterey County, CACA433,7290.7%−0.2 pts

50Kern County, CACA927,0680.6%−0.3 pts

51Fresno County, CACA1,035,4560.6%−0.1 pts

52Los Angeles County, CACA9,694,9340.5%−0.1 pts

53Madera County, CACA167,9270.5%−0.4 pts

54Kings County, CACA154,3270.5%−0.1 pts

55Tulare County, CACA485,1460.4%−0.1 pts

56Merced County, CACA297,2600.4%−0.4 pts

57Colusa County, CACA21,8360.3%−0.5 pts

58Imperial County, CACA181,4110.1%−0.1 pts

SHOWING 1–58 OF 58

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