Solano County, CA ZIP codes
There are 16 ZIP codes in Solano County, CA, in 10 towns, from 94510 to 95696. The largest are 94533 (Fairfield), 95687 (Vacaville) and 94591 (Vallejo).
The county seat is Fairfield.
- ZIP codes
- 16
- Towns
- 10
- County seat
- Fairfield
- County FIPS
06095- State
- California
- Population
- 451,918
- Median household income
- $100,401
- Land area
- 822 sq mi
- Metro area
- Vallejo
Solano County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Solano County ZIP codes
The ZIP codes of Solano County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Solano County in numbers
About 451,918 people live in Solano County, in 157,512 households, the 19th most populous of California's 58 counties. The median household income is $100,401 a year, about the same as the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $617,700 (16% below the California median), and median gross rent is $2,163 a month. The median age is 39.2; 28.8% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 31 minutes.
| Population | 451,918 |
|---|---|
| Households | 157,512 |
| Median age | 39.2 |
| Median household income | $100,401 |
| Median home value | $617,700 |
| Median gross rent | $2,163 |
| Bachelor's degree or higher | 28.8% |
| Mean commute | 31.0 min |
| Population density | 550 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Solano County
| Town | ZIP codes | Population |
|---|---|---|
| Vallejo | 4 | 124,268 |
| Fairfield | 2 | 120,785 |
| Vacaville | 3 | 102,596 |
| Suisun City | 1 | 29,286 |
| Benicia | 1 | 26,749 |
| Dixon | 1 | 19,683 |
| Rio Vista | 1 | 10,102 |
| Travis Afb | 1 | 3,952 |
| Elmira | 1 | 319 |
| Birds Landing | 1 | 130 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Solano County.
Not sure you are in Solano County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Solano County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94510 | Benicia , CA | Standard | 26,749 | $121,204 | $810,000 |
94512 | Birds Landing , CA | Standard | 130 | — | — |
94533 | Fairfield , CA | Standard | 78,805 | $87,384 | $542,200 |
94534 | Fairfield , CA | Standard | 41,203 | $140,198 | $744,500 |
94535 | Travis Afb , CA | Standard | 3,952 | $83,879 | — |
94571 | Rio Vista , CA | Standard | 10,974 | $87,740 | $490,200 |
94585 | Suisun City , CA | Standard | 29,357 | $94,740 | $580,800 |
94589 | Vallejo , CA | Standard | 29,990 | $92,735 | $540,400 |
94590 | Vallejo , CA | Standard | 37,128 | $65,290 | $530,500 |
94591 | Vallejo , CA | Standard | 58,193 | $104,550 | $630,500 |
94592 | Vallejo , CA | Standard | 1,049 | $115,536 | $772,000 |
95620 | Dixon , CA | Standard | 22,223 | $103,054 | $619,800 |
95625 | Elmira , CA | Standard | 319 | $86,349 | — |
95687 | Vacaville , CA | Standard | 69,390 | $109,566 | $606,300 |
95688 | Vacaville , CA | Standard | 40,201 | $118,186 | $687,100 |
95696 | Vacaville , CA | No street area | — | — | — |
Cite this page
zipcodes.pro. “Solano County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ca/county/solano
Underlying data is public domain or openly licensed — sources, vintages and licences.