CensusEasy
CensusEasy
RANKING · 2024 ACS · 58 SHOWN OF 58

Highest Medicaid coverage, California counties

California counties ranked by the share of people covered by Medicaid or other means-tested public insurance, alone or in combination with other coverage (2024 ACS). This list covers the 58 counties in California that qualify, ranked against each other statewide. The median across all 58 is 27.7%. Biggest climber in the top 100 since 2020: Trinity County, CA, up 14 places to #7.

Highest Medicaid coverage by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPMEDICAIDVS 2020
01Imperial County, CACA181,41149.8%+2.9 pts
02▲1Tulare County, CACA485,14645.7%+3.6 pts
03▼1Merced County, CACA297,26042.5%−0.3 pts
04▲1Lake County, CACA67,77240.8%+0.1 pts
05▲2Kern County, CACA927,06840.4%+1.1 pts
06▲3Tehama County, CACA64,66540.3%+4.4 pts
07▲14Trinity County, CACA15,72039.7%+7.4 pts
08▼4Madera County, CACA167,92739.4%−1.6 pts
09▼1Fresno County, CACA1,035,45639.3%+0.4 pts
10▲1Colusa County, CACA21,83638.2%+3.7 pts
11▲6Humboldt County, CACA131,64738.2%+5.6 pts
12Glenn County, CACA28,14137.7%+3.2 pts
13▲3Kings County, CACA154,32737.6%+4.2 pts
14▼8Del Norte County, CACA26,41037.5%−1.9 pts
15Yuba County, CACA88,69136.0%+2.4 pts
16▼2Sutter County, CACA98,78734.7%+1.0 pts
17▼7Mendocino County, CACA88,12234.2%−1.5 pts
18▼5Stanislaus County, CACA557,71933.9%−0.1 pts
19▲4Monterey County, CACA433,72933.5%+3.1 pts
20▼1San Bernardino County, CACA2,224,09133.1%+0.7 pts
21▲1Butte County, CACA209,21131.8%+1.0 pts
22▼4San Joaquin County, CACA823,81531.4%−1.0 pts
23▼3Siskiyou County, CACA42,01330.3%−2.0 pts
24Los Angeles County, CACA9,694,93430.1%+1.1 pts
25Riverside County, CACA2,544,91629.0%+0.6 pts
26Sacramento County, CACA1,618,46028.6%+0.4 pts
27Shasta County, CACA181,64828.2%+0.3 pts
28Modoc County, CACA8,42627.8%+1.2 pts
29▲1Alpine County, CACA1,04327.7%+1.9 pts
30▲4Lassen County, CACA28,11727.7%+3.4 pts
31▲2Santa Barbara County, CACA442,06527.6%+3.1 pts
32▲7Inyo County, CACA18,15827.1%+6.0 pts
33▼1Plumas County, CACA18,58326.0%+0.8 pts
34▲9Tuolumne County, CACA53,16025.2%+4.6 pts
35▼4San Benito County, CACA70,08225.1%−0.7 pts
36▼7Mariposa County, CACA16,91823.2%−2.7 pts
37▼2Calaveras County, CACA46,60523.0%+0.7 pts
38Solano County, CACA455,37622.8%+1.6 pts
39▲6Nevada County, CACA101,91122.3%+2.4 pts
40▲2Orange County, CACA3,149,50722.2%+1.6 pts
41Ventura County, CACA830,85122.2%+1.5 pts
42▼2Santa Cruz County, CACA258,85222.0%+1.1 pts
43▼7Yolo County, CACA224,41021.3%−0.9 pts
44San Diego County, CACA3,282,24820.7%+0.5 pts
45▲2Sonoma County, CACA486,44420.5%+2.0 pts
46▼9Amador County, CACA41,87619.9%−1.5 pts
47▲1Contra Costa County, CACA1,170,07019.9%+1.6 pts
48▲3Napa County, CACA132,94919.8%+2.2 pts
49▼3Alameda County, CACA1,636,63019.4%+0.2 pts
50▲5Mono County, CACA12,50519.3%+4.9 pts
51▼2San Francisco County, CACA826,07919.2%+1.2 pts
52▲1San Luis Obispo County, CACA282,36717.6%+0.6 pts
53▼1El Dorado County, CACA192,32316.5%−0.6 pts
54Santa Clara County, CACA1,914,39116.4%+0.1 pts
55▲1San Mateo County, CACA743,56815.9%+1.6 pts
56▼6Sierra County, CACA3,09815.7%−2.0 pts
57Placer County, CACA442,08115.4%+1.6 pts
58Marin County, CACA253,69414.9%+2.0 pts
SHOWING 1–58 OF 58

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