ZIP code 94525: Crockett, CA
ZIP code 94525 is in Crockett (99% of residents), in Contra Costa County, California. It is in California's 10th congressional district (61%) and California's 8th congressional district (39%). Its state senate districts are State Senate District 9 (99%) and State Senate District 7 (1.2%); its state house districts are Assembly District 15 (99%) and Assembly District 14 (1.2%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Crockett | 99% |
| Rodeo | 0.9% |
| County | Share of ZIP residents |
|---|---|
| Contra Costa County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| West Contra Costa CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 10th congressional district (CA-10) | 61% |
| California's 8th congressional district (CA-08) | 39% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-10) | Mark DeSaulnier (D) | 202-225-2095 | 61% |
| U.S. Representative (CA-08) | John Garamendi (D) | 202-225-1880 | 39% |
| 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 9) | Tim Grayson (Democratic) | 925-258-1176 | 99% |
| State Senator (State Senate District 7) | Jesse Arreguín (Democratic) | 510-286-1333 | 1.2% |
| Assembly Member (Assembly District 15) | Anamarie Avila Farias (Democratic) | 925-521-1511 | 99% |
| Assembly Member (Assembly District 14) | Buffy Wicks (Democratic) | 510-286-1400 | 1.2% |
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
- Crockett laws: search for the Crockett, California code of ordinances
- Contra Costa County website: https://www.contracosta.ca.gov/
- Contra Costa County laws: search for the Contra Costa County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 9 | 99% |
| State Senate District 7 | 1.2% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 15 | 99% |
| Assembly District 14 | 1.2% |
Voting precincts
5 voting precincts overlap ZIP 94525. 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:94525")
ZIP 94525 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.