ZIP code 94571: Rio Vista, CA
ZIP code 94571 is in Rio Vista (96% of residents), in Solano County (98%) and Sacramento County (2.0%), California. It is in California's 8th congressional district. Its state senate district is State Senate District 3; its state house district is Assembly District 11.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Rio Vista | 96% |
| County | Share of ZIP residents |
|---|---|
| Solano County | 98% |
| Sacramento County | 2.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Rio Vista CCD | 98% |
| Isleton CCD | 2.0% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 8th congressional district (CA-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-08) | John Garamendi (D) | 202-225-1880 | 100% |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 | statewide |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form | statewide |
| State Senator (State Senate District 3) | Christopher Cabaldon (Democratic) | 707-454-3808 | 100% |
| Assembly Member (Assembly District 11) | Lori Wilson (Democratic) | 707-438-7359 | 100% |
Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Rio Vista website: http://www.riovistacity.com
- Rio Vista laws: search for the Rio Vista, California code of ordinances
- Solano County website: https://www.solanocounty.gov/
- Solano County laws: search for the Solano County, California code of ordinances
- Sacramento County website: https://www.saccounty.gov/
- Sacramento County laws: search for the Sacramento County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 3 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 11 | 100% |
Voting precincts
10 voting precincts overlap ZIP 94571. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:94571")
ZIP 94571 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.