Zip Code 95688 — Vacaville, CA
95688 is a ZIP Code associated with Vacaville, CA, located within Solano. 95688 ranks #5 out of 15 ZIP codes in Solano County by population (and #381 out of 1,802 in CA). The area supports an estimated population of 40,201 residents across Data Pending housing units, with a population density of 168.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.419010, -122.025710)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 95688 |
| Primary City | Vacaville |
| State / Province | CA |
| County | Solano |
| Total Population | 40,201 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 168.8 people/sq mi |
| Timezone | America/Los_Angeles |
How 95688 Compares
| Metric | ZIP 95688 | Solano County | CA State Average |
|---|
| Population | 40,201 | 449,663 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 168.8 /sq mi | -- | -- |
| County Pop Rank | #5 of 15 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →