Solano County, California ZIP codes
16 ZIP codes are in Solano County, plus 6 that cross in from neighboring counties. It's part of the Vallejo, CA metro area.
- ZIP codes
- 16
- Population in these ZIPs
- 449,663
- Avg. median income
- $102,500population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Solano County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 94510 | Benicia | 26,749 | $121,204 | $780,600 |
| 94512 | Birds Landing | 130 | — | — |
| 94533 | Fairfield | 78,805 | $87,384 | $532,200 |
| 94534 | Fairfield | 41,203 | $140,198 | $687,800 |
| 94535 | Travis Afb | 3,952 | $83,879 | — |
| 94571 | Rio Vista | 10,974 | $87,740 | $451,400 |
| 94585 | Suisun City | 29,357 | $94,740 | $531,000 |
| 94589 | Vallejo | 29,990 | $92,735 | $494,800 |
| 94590 | Vallejo | 37,128 | $65,290 | $460,400 |
| 94591 | Vallejo | 58,193 | $104,550 | $583,900 |
| 94592 | Vallejo | 1,049 | $115,536 | $707,900 |
| 95620 | Dixon | 22,223 | $103,054 | $604,800 |
| 95625 | Elmira | 319 | $86,349 | — |
| 95687 | Vacaville | 69,390 | $109,566 | $575,100 |
| 95688 | Vacaville | 40,201 | $118,186 | $654,300 |
| 95696 PO Box | Vacaville | — | — | — |
ZIP codes partly in Solano County
These ZIP codes are mostly in a neighboring county but cover part of Solano County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 94503 | American Canyon | Napa County | 21,841 | $121,088 | $727,900 |
| 95612 | Clarksburg | Yolo County | 1,865 | $104,063 | $793,900 |
| 95616 | Davis | Yolo County | 53,630 | $74,359 | $834,200 |
| 95618 | Davis | Yolo County | 26,267 | $115,591 | $818,300 |
| 95690 | Walnut Grove | Sacramento County | 2,431 | $90,104 | $539,100 |
| 95694 | Winters | Yolo County | 10,759 | $109,696 | $610,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Solano County
Nearby counties
Frequently asked questions
How many ZIP codes are in Solano County, California?
16 ZIP codes are mainly in Solano County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Solano County?
ZIP codes in Solano County use the city names Benicia, Birds Landing, Dixon, Elmira, Fairfield, Rio Vista, Suisun City, Travis Afb, Vacaville and Vallejo.
What metro area is Solano County in?
Solano County is part of the Vallejo, CA metropolitan statistical area.