The median income of Alameda County residents was $43,583 per year, adjusted for inflation. It had 577,177 households with a population of 1,656,754.
The county with the highest median resident income in the state was San Mateo County with $49,128 per year after adjusting for inflation – $5,545 more than Alameda County. It had 263,543 households with a population of 767,423.
The county with the lowest median resident income in the state was Tehama County with $23,061 per year after adjusting for inflation – $20,522 less than Alameda County. It had 24,189 households with a population of 63,912.
California counties by earnings per resident (2019)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | San Mateo County | $49,128 |
| 2 | Santa Clara County | $47,584 |
| 3 | Alameda County | $43,583 |
| 4 | Contra Costa County | $42,181 |
| 5 | Placer County | $41,130 |
| 6 | Napa County | $37,953 |
| 7 | Sonoma County | $36,623 |
| 8 | Solano County | $36,273 |
| 9 | Orange County | $36,135 |
| 10 | San Diego County | $34,307 |
| 11 | Ventura County | $33,814 |
| 12 | San Benito County | $33,547 |
| 13 | Plumas County | $31,351 |
| 14 | Santa Cruz County | $31,174 |
| 15 | Amador County | $31,160 |
| 16 | Lassen County | $30,814 |
| 17 | Mono County | $30,701 |
| 18 | Alpine County | $30,512 |
| 19 | Yolo County | $30,331 |
| 20 | Los Angeles County | $29,985 |
| 21 | Santa Barbara County | $29,657 |
| 22 | San Joaquin County | $29,535 |
| 23 | Tuolumne County | $29,458 |
| 24 | Calaveras County | $29,124 |
| 25 | Riverside County | $28,557 |
| 26 | Monterey County | $28,207 |
| 27 | Yuba County | $27,877 |
| 28 | Stanislaus County | $27,840 |
| 29 | Mariposa County | $27,678 |
| 30 | San Bernardino County | $27,235 |
| 31 | Colusa County | $27,103 |
| 32 | Shasta County | $27,000 |
| 33 | Kings County | $26,841 |
| 34 | Mendocino County | $26,784 |
| 35 | Siskiyou County | $25,576 |
| 36 | Lake County | $25,172 |
| 37 | Kern County | $25,013 |
| 38 | Merced County | $24,873 |
| 39 | Glenn County | $24,329 |
| 40 | Butte County | $24,067 |
| 41 | Trinity County | $23,901 |
| 42 | Madera County | $23,691 |
| 43 | Tehama County | $23,061 |
* All values are inflation-adjusted
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