There are 15 zip codes in Solano County, California. The most populated is 94533, located in Fairfield. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 94533 | 78,129 | Fairfield |
| 95687 | 68,996 | Vacaville |
| 94591 | 59,026 | Vallejo |
| 94534 | 41,395 | Fairfield |
| 95688 | 40,147 | Vacaville |
| 94590 | 37,991 | Vallejo |
| 94589 | 29,959 | Vallejo |
| 94585 | 29,401 | Suisun City |
| 94510 | 27,223 | Benicia |
| 95620 | 22,004 | Dixon |
| 94571 | 10,514 | Rio Vista |
| 94535 | 3,873 | Travis Afb |
| 94592 | 1,020 | Vallejo |
| 95625 | 88 | Elmira |
| 94512 | 57 | Birds Landing |