ZIP code 94963: San Geronimo, CA
ZIP code 94963 is in San Geronimo (91% of residents) and Lagunitas-Forest Knolls (9.1%), in Marin County, California. It is in California's 2nd congressional district. Its state senate district is State Senate District 2; its state house district is Assembly District 12.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Geronimo | 91% |
| Lagunitas-Forest Knolls | 9.1% |
| County | Share of ZIP residents |
|---|---|
| Marin County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Northwest Marin CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 2nd congressional district (CA-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-02) | Jared Huffman (D) | 202-225-5161 | 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 2) | Mike McGuire (Democratic) | 707-468-8914 | 100% |
| Assembly Member (Assembly District 12) | Damon Connolly (Democratic) | 415-479-4920 | 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
- San Geronimo laws: search for the San Geronimo, California code of ordinances
- Lagunitas-Forest Knolls laws: search for the Lagunitas-Forest Knolls, California code of ordinances
- Marin County laws: search for the Marin County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 2 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 12 | 100% |
Voting precincts
1 voting precinct overlap ZIP 94963. 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:94963")
ZIP 94963 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.