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RANKING · 2024 ACS · 55 SHOWN OF 55

Highest Japanese population share, California counties

California counties ranked by the share of all residents who are Japanese (2024 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 55 counties in California that qualify, ranked against each other statewide. The median across all 55 is 0.2%. Biggest climber in the top 100 since 2020: Mariposa County, CA, up 24 places to #26.

Japanese Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Japanese population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPJAPANESE SHAREVS 2020
01Santa Clara County, CACA1,914,3911.2%−0.1 pts
02San Mateo County, CACA743,5681.2%0.0 pts
03San Francisco County, CACA826,0791.0%−0.1 pts
04Orange County, CACA3,149,5071.0%−0.1 pts
05Los Angeles County, CACA9,694,9340.9%0.0 pts
06▲1Yolo County, CACA224,4100.8%+0.1 pts
07▼1Alameda County, CACA1,636,6300.7%0.0 pts
08▲1Contra Costa County, CACA1,170,0700.6%0.0 pts
09▲1Sacramento County, CACA1,618,4600.6%−0.1 pts
10▲11Sutter County, CACA98,7870.6%+0.3 pts
11Marin County, CACA253,6940.5%−0.1 pts
12San Diego County, CACA3,282,2480.5%0.0 pts
13▼5Santa Cruz County, CACA258,8520.5%−0.2 pts
14▼1Solano County, CACA455,3760.5%0.0 pts
15▲4San Luis Obispo County, CACA282,3670.5%+0.2 pts
16▼2Monterey County, CACA433,7290.5%0.0 pts
17▼2Ventura County, CACA830,8510.5%0.0 pts
18▼1Fresno County, CACA1,035,4560.4%0.0 pts
19▼1Placer County, CACA442,0810.4%0.0 pts
20▼4Santa Barbara County, CACA442,0650.4%−0.1 pts
21▲22Del Norte County, CACA26,4100.4%+0.3 pts
22▲7El Dorado County, CACA192,3230.3%+0.1 pts
23▲15Imperial County, CACA181,4110.3%+0.1 pts
24▲11Nevada County, CACA101,9110.3%+0.1 pts
25▼5Sonoma County, CACA486,4440.2%−0.1 pts
26▲24Mariposa County, CACA16,9180.2%+0.2 pts
27▲4San Bernardino County, CACA2,224,0910.2%0.0 pts
28Riverside County, CACA2,544,9160.2%0.0 pts
29▼2San Joaquin County, CACA823,8150.2%0.0 pts
30▼8San Benito County, CACA70,0820.2%−0.1 pts
31Alpine County, CACA1,0430.2%–
32▲15Lake County, CACA67,7720.2%+0.1 pts
33▼9Napa County, CACA132,9490.2%−0.1 pts
34▲7Tuolumne County, CACA53,1600.2%0.0 pts
35▼2Butte County, CACA209,2110.1%0.0 pts
36▲8Kern County, CACA927,0680.1%0.0 pts
37▼3Mendocino County, CACA88,1220.1%0.0 pts
38▼13Inyo County, CACA18,1580.1%−0.1 pts
39▲14Calaveras County, CACA46,6050.1%+0.1 pts
40▼10Humboldt County, CACA131,6470.1%−0.1 pts
41▼1Tulare County, CACA485,1460.1%0.0 pts
42Merced County, CACA297,2600.1%0.0 pts
43▲2Amador County, CACA41,8760.1%0.0 pts
44▼8Stanislaus County, CACA557,7190.1%−0.1 pts
45▼8Shasta County, CACA181,6480.1%−0.1 pts
46Modoc County, CACA8,4260.1%–
47▲5Madera County, CACA167,9270.1%0.0 pts
48▼25Kings County, CACA154,3270.1%−0.2 pts
49▼1Mono County, CACA12,5050.1%0.0 pts
50▼4Siskiyou County, CACA42,0130.1%0.0 pts
51▼2Tehama County, CACA64,6650.0%0.0 pts
52▼26Yuba County, CACA88,6910.0%−0.2 pts
53▼21Glenn County, CACA28,1410.0%−0.2 pts
54▼15Lassen County, CACA28,1170.0%−0.1 pts
55Trinity County, CACA15,7200.0%–
SHOWING 1–55 OF 55

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES