RANKING · 2020 CENSUS · 58 SHOWN OF 58

Most public transit riders, California counties · 2020

California counties with the most workers commuting by public transportation, as of the 2020 American Community Survey. Ranked by number of commuters, not the transit share. This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 996.

CaliforniaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost remote workers Most car-free households Longest commutes Shortest commutes Most car-dependent Most car-free households

RANKPLACESTATEPOPTRANSIT COMMUTERSVS –

01Los Angeles County, CACA9,694,934257,977–

02San Francisco County, CACA826,079161,085–

03Alameda County, CACA1,636,630114,029–

04Contra Costa County, CACA1,170,07056,093–

05San Diego County, CACA3,282,24842,978–

06San Mateo County, CACA743,56841,094–

07Santa Clara County, CACA1,914,39139,110–

08Orange County, CACA3,149,50727,645–

09Sacramento County, CACA1,618,46015,579–

10San Bernardino County, CACA2,224,09111,534–

11Riverside County, CACA2,544,91610,987–

12Marin County, CACA253,69410,060–

13Santa Barbara County, CACA442,0656,141–

14Solano County, CACA455,3765,671–

15San Joaquin County, CACA823,8155,006–

16Yolo County, CACA224,4104,097–

17Ventura County, CACA830,8513,998–

18Sonoma County, CACA486,4443,926–

19Fresno County, CACA1,035,4563,740–

20Santa Cruz County, CACA258,8522,971–

21Monterey County, CACA433,7292,438–

22Kern County, CACA927,0682,266–

23Placer County, CACA442,0811,830–

24Stanislaus County, CACA557,7191,692–

25Mono County, CACA12,5051,286–

26San Luis Obispo County, CACA282,3671,274–

27Tulare County, CACA485,1461,120–

28Butte County, CACA209,2111,010–

29Humboldt County, CACA131,647996–

30Merced County, CACA297,260948–

31Napa County, CACA132,949940–

32El Dorado County, CACA192,323926–

33Imperial County, CACA181,411435–

34Shasta County, CACA181,648410–

35Sutter County, CACA98,787404–

36Madera County, CACA167,927224–

37Yuba County, CACA88,691175–

38San Benito County, CACA70,082171–

39Lake County, CACA67,772160–

40Kings County, CACA154,327149–

41Calaveras County, CACA46,605142–

42Mariposa County, CACA16,91899–

43Tuolumne County, CACA53,16091–

44Tehama County, CACA64,66589–

45Nevada County, CACA101,91181–

46Mendocino County, CACA88,12267–

47Trinity County, CACA15,72061–

48Inyo County, CACA18,15860–

49Plumas County, CACA18,58360–

50Siskiyou County, CACA42,01336–

51Amador County, CACA41,87635–

52Del Norte County, CACA26,41031–

53Lassen County, CACA28,11726–

54Glenn County, CACA28,14124–

55Colusa County, CACA21,83613–

56Alpine County, CACA1,0434–

57Sierra County, CACA3,0984–

58Modoc County, CACA8,4260–

SHOWING 1–58 OF 58

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