RANKING · 1990 CENSUS · 58 SHOWN OF 58

Newest housing stock, California counties · 1990

California counties ranked by median year housing was built (1990 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 1971.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Calaveras County, CACA46,6051977–

02Riverside County, CACA2,544,9161977–

03Mono County, CACA12,5051976–

04Nevada County, CACA101,9111976–

05Alpine County, CACA1,0431975–

06El Dorado County, CACA192,3231975–

07Placer County, CACA442,0811975–

08San Bernardino County, CACA2,224,0911975–

09Tuolumne County, CACA53,1601975–

10Amador County, CACA41,8761974–

11Madera County, CACA167,9271974–

12Mariposa County, CACA16,9181974–

13San Luis Obispo County, CACA282,3671974–

14Solano County, CACA455,3761974–

15Lake County, CACA67,7721973–

16Plumas County, CACA18,5831973–

17San Benito County, CACA70,0821973–

18San Diego County, CACA3,282,2481973–

19Shasta County, CACA181,6481973–

20Del Norte County, CACA26,4101972–

21Sonoma County, CACA486,4441972–

22Stanislaus County, CACA557,7191972–

23Trinity County, CACA15,7201972–

24Butte County, CACA209,2111971–

25Kern County, CACA927,0681971–

26Merced County, CACA297,2601971–

27Orange County, CACA3,149,5071971–

28Sacramento County, CACA1,618,4601971–

29Tehama County, CACA64,6651971–

30Tulare County, CACA485,1461971–

31Ventura County, CACA830,8511971–

32Fresno County, CACA1,035,4561970–

33Imperial County, CACA181,4111970–

34Lassen County, CACA28,1171970–

35Mendocino County, CACA88,1221970–

36Yolo County, CACA224,4101970–

37Contra Costa County, CACA1,170,0701969–

38Inyo County, CACA18,1581969–

39San Joaquin County, CACA823,8151969–

40Sierra County, CACA3,0981969–

41Sutter County, CACA98,7871969–

42Kings County, CACA154,3271968–

43Monterey County, CACA433,7291968–

44Santa Clara County, CACA1,914,3911968–

45Yuba County, CACA88,6911968–

46Santa Cruz County, CACA258,8521967–

47Santa Barbara County, CACA442,0651967–

48Siskiyou County, CACA42,0131967–

49Modoc County, CACA8,4261966–

50Napa County, CACA132,9491966–

51Glenn County, CACA28,1411965–

52Marin County, CACA253,6941962–

53Humboldt County, CACA131,6471961–

54Alameda County, CACA1,636,6301960–

55Colusa County, CACA21,8361960–

56Los Angeles County, CACA9,694,9341960–

57San Mateo County, CACA743,5681960–

58San Francisco County, CACA826,0791939–

SHOWING 1–58 OF 58

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