Ranking of California Counties By the Percentage of Households with Household Income of $40K - $49K in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of households in California with household income of $40k - $49k was 6.21%. Among all California counties, Trinity County had the highest percentage of households with household income of $40k - $49k (12.09%), followed by Plumas County (10.45%), and Siskiyou County (10.22%).
On the other hand, the following 3 counties had low percentages of households with household income of $40k - $49k: Santa Clara County (3.55%), San Mateo County (3.74%), and San Francisco County (3.91%).
The chart below shows the top 10 California counties with high household income, and the table below shows the ranking of all California counties.
You can see similar information for other household income groups.
You can also see similar information for other states, and for the United States.
| Rank | County | Percent of Households (%) |
|---|---|---|
| 1 | Trinity County | 12.09 |
| 2 | Plumas County | 10.45 |
| 3 | Siskiyou County | 10.22 |
| 4 | Sierra County | 9.90 |
| 5 | Del Norte County | 9.80 |
| 6 | Merced County | 9.57 |
| 7 | Glenn County | 9.56 |
| 8 | Sutter County | 9.31 |
| 9 | Tulare County | 9.21 |
| 10 | Lassen County | 8.97 |
| 11 | Imperial County | 8.87 |
| 12 | Mendocino County | 8.71 |
| 13 | Shasta County | 8.44 |
| 14 | Kern County | 8.33 |
| 15 | Kings County | 8.24 |
| 16 | Colusa County | 8.22 |
| 17 | Inyo County | 8.21 |
| 18 | Fresno County | 8.19 |
| 19 | Lake County | 8.14 |
| 19 | Tehama County | 8.14 |
| 20 | Stanislaus County | 8.04 |
| 21 | Calaveras County | 7.95 |
| 22 | Humboldt County | 7.79 |
| 23 | Yuba County | 7.78 |
| 24 | Tuolumne County | 7.76 |
| 25 | Mariposa County | 7.71 |
| 26 | Nevada County | 7.69 |
| 27 | Amador County | 7.65 |
| 28 | Madera County | 7.50 |
| 29 | San Bernardino County | 7.32 |
| 30 | Modoc County | 7.24 |
| 31 | Riverside County | 7.17 |
| 32 | Butte County | 7.13 |
| 33 | Sacramento County | 6.88 |
| 33 | San Luis Obispo County | 6.88 |
| 34 | Santa Barbara County | 6.81 |
| 35 | Monterey County | 6.72 |
| 36 | Solano County | 6.65 |
| 37 | Mono County | 6.62 |
| 38 | Los Angeles County | 6.56 |
| 39 | Napa County | 6.50 |
| 40 | San Benito County | 6.48 |
| 40 | San Joaquin County | 6.48 |
| 41 | Sonoma County | 6.19 |
| 42 | San Diego County | 6.01 |
| 43 | Ventura County | 5.96 |
| 44 | El Dorado County | 5.56 |
| 45 | Santa Cruz County | 5.34 |
| 46 | Orange County | 5.13 |
| 46 | Yolo County | 5.13 |
| 47 | Placer County | 4.68 |
| 48 | Contra Costa County | 4.61 |
| 49 | Alameda County | 4.49 |
| 50 | Marin County | 4.22 |
| 51 | Alpine County | 3.92 |
| 52 | San Francisco County | 3.91 |
| 53 | San Mateo County | 3.74 |
| 54 | Santa Clara County | 3.55 |