RANKING · 2024 ACS · 58 SHOWN OF 58

Largest households, California counties

California counties ranked by average household size (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

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Alpine County, CACA1,0433.61–

02Imperial County, CACA181,4113.49–

03Madera County, CACA167,9273.41–

04Merced County, CACA297,2603.32–

05Tulare County, CACA485,1463.30–

06San Benito County, CACA70,0823.25–

07San Bernardino County, CACA2,224,0913.20–

08San Joaquin County, CACA823,8153.19–

09Kings County, CACA154,3273.17–

10Monterey County, CACA433,7293.16–

11Riverside County, CACA2,544,9163.15–

12Kern County, CACA927,0683.12–

13Stanislaus County, CACA557,7193.08–

14Fresno County, CACA1,035,4563.07–

15Sutter County, CACA98,7872.94–

16Ventura County, CACA830,8512.94–

17Yuba County, CACA88,6912.90–

18Colusa County, CACA21,8362.89–

19Glenn County, CACA28,1412.88–

20Orange County, CACA3,149,5072.87–

21Santa Clara County, CACA1,914,3912.82–

22Los Angeles County, CACA9,694,9342.81–

23Santa Barbara County, CACA442,0652.81–

24Solano County, CACA455,3762.80–

25Trinity County, CACA15,7202.79–

26Contra Costa County, CACA1,170,0702.78–

27San Mateo County, CACA743,5682.76–

28Sacramento County, CACA1,618,4602.75–

29Yolo County, CACA224,4102.75–

30San Diego County, CACA3,282,2482.72–

31Alameda County, CACA1,636,6302.70–

32Napa County, CACA132,9492.63–

33Placer County, CACA442,0812.62–

34Del Norte County, CACA26,4102.60–

35Santa Cruz County, CACA258,8522.58–

36Tehama County, CACA64,6652.58–

37Lassen County, CACA28,1172.57–

38Mendocino County, CACA88,1222.53–

39El Dorado County, CACA192,3232.50–

40Shasta County, CACA181,6482.50–

41Lake County, CACA67,7722.49–

42Sonoma County, CACA486,4442.49–

43Calaveras County, CACA46,6052.48–

44Modoc County, CACA8,4262.46–

45Marin County, CACA253,6942.44–

46San Luis Obispo County, CACA282,3672.43–

47Butte County, CACA209,2112.42–

48Humboldt County, CACA131,6472.37–

49Plumas County, CACA18,5832.37–

50Nevada County, CACA101,9112.36–

51Amador County, CACA41,8762.35–

52Inyo County, CACA18,1582.25–

53Tuolumne County, CACA53,1602.25–

54Siskiyou County, CACA42,0132.23–

55San Francisco County, CACA826,0792.21–

56Mono County, CACA12,5052.20–

57Sierra County, CACA3,0982.17–

58Mariposa County, CACA16,9181.99–

SHOWING 1–58 OF 58

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