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RANKING · 2024 ACS · 54 SHOWN OF 54

Highest Puerto Rican population share, California counties

California counties ranked by the share of all residents who are Puerto Rican origin (2024 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 54 counties in California that qualify, ranked against each other statewide. The median across all 54 is 0.5%. Biggest climber in the top 100 since 2020: Inyo County, CA, up 46 places to #3.

Puerto Rican Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Puerto Rican population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2010
01▲25Tuolumne County, CACA53,1601.5%+1.2 pts
02▲1Yuba County, CACA88,6911.0%+0.5 pts
03▲46Inyo County, CACA18,1580.8%+0.7 pts
04▼2Solano County, CACA455,3760.8%+0.1 pts
05▲3San Diego County, CACA3,282,2480.8%+0.3 pts
06▲3San Joaquin County, CACA823,8150.7%+0.1 pts
07Sacramento County, CACA1,618,4600.7%+0.2 pts
08▲2Placer County, CACA442,0810.7%+0.3 pts
09▲2Riverside County, CACA2,544,9160.7%+0.1 pts
10▲13Sutter County, CACA98,7870.7%+0.3 pts
11▼5Alameda County, CACA1,636,6300.7%−0.1 pts
12▲3Plumas County, CACA18,5830.7%+0.6 pts
13▲4San Francisco County, CACA826,0790.7%+0.2 pts
14▼9Contra Costa County, CACA1,170,0700.7%+0.1 pts
15▼11San Bernardino County, CACA2,224,0910.7%+0.1 pts
16▲17Kings County, CACA154,3270.7%+0.1 pts
17▲30Calaveras County, CACA46,6050.7%+0.6 pts
18▲19Nevada County, CACA101,9110.6%−0.1 pts
19▲35Tehama County, CACA64,6650.6%+0.3 pts
20San Mateo County, CACA743,5680.6%0.0 pts
21▼7Napa County, CACA132,9490.6%+0.4 pts
22▼9Mariposa County, CACA16,9180.6%–
23▼11Stanislaus County, CACA557,7190.6%−0.1 pts
24▲12Humboldt County, CACA131,6470.6%+0.5 pts
25▼9Monterey County, CACA433,7290.6%+0.1 pts
26▲5Ventura County, CACA830,8510.5%+0.2 pts
27▼9Kern County, CACA927,0680.5%0.0 pts
28▲14Santa Cruz County, CACA258,8520.5%+0.4 pts
29▼28San Benito County, CACA70,0820.5%+0.3 pts
30▲14Marin County, CACA253,6940.5%+0.1 pts
31▼9Los Angeles County, CACA9,694,9340.5%0.0 pts
32▲9Siskiyou County, CACA42,0130.5%+0.4 pts
33▼9Sonoma County, CACA486,4440.5%+0.1 pts
34▲21Lassen County, CACA28,1170.4%−0.3 pts
35▼6San Luis Obispo County, CACA282,3670.4%+0.2 pts
36▼11El Dorado County, CACA192,3230.4%+0.2 pts
37▼16Santa Clara County, CACA1,914,3910.4%0.0 pts
38Fresno County, CACA1,035,4560.4%+0.2 pts
39▼11Amador County, CACA41,8760.4%+0.1 pts
40▼21Del Norte County, CACA26,4100.4%0.0 pts
41▼7Orange County, CACA3,149,5070.4%0.0 pts
42▲4Madera County, CACA167,9270.4%−0.1 pts
43▼13Santa Barbara County, CACA442,0650.4%0.0 pts
44▼4Shasta County, CACA181,6480.3%+0.1 pts
45▼6Butte County, CACA209,2110.3%0.0 pts
46▲2Merced County, CACA297,2600.3%0.0 pts
47▼20Yolo County, CACA224,4100.3%−0.2 pts
48▼16Mendocino County, CACA88,1220.3%+0.1 pts
49▼6Tulare County, CACA485,1460.3%0.0 pts
50▲1Lake County, CACA67,7720.3%−0.1 pts
51▼16Imperial County, CACA181,4110.2%−0.1 pts
52▲4Trinity County, CACA15,7200.1%−0.2 pts
53▼8Glenn County, CACA28,1410.0%−0.2 pts
54▼4Colusa County, CACA21,8360.0%−0.2 pts
SHOWING 1–54 OF 54

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