ZIP code 95404: Santa Rosa, CA
ZIP code 95404 is in Santa Rosa (84% of residents), in Sonoma County, California. 16% of its residents live outside city limits. It is in California's 1st congressional district (90%) and California's 4th congressional district (9.8%). Its state senate districts are State Senate District 2 (97%) and State Senate District 3 (3.5%); its state house districts are Assembly District 2 (61%) and Assembly District 12 (39%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Santa Rosa | 84% |
| Larkfield-Wikiup | 0.3% |
| County | Share of ZIP residents |
|---|---|
| Sonoma County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Santa Rosa CCD | 97% |
| Sonoma CCD | 1.3% |
| Petaluma CCD | 1.1% |
| Healdsburg CCD | 0.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 1st congressional district (CA-01) | 90% |
| California's 4th congressional district (CA-04) | 9.8% |
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-01) | James Gallagher (R) | 202-225-3076 | 90% |
| U.S. Representative (CA-04) | Mike Thompson (D) | 202-225-3311 | 9.8% |
| 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 | 97% |
| State Senator (State Senate District 3) | Christopher Cabaldon (Democratic) | 707-454-3808 | 3.5% |
| Assembly Member (Assembly District 2) | Chris Rogers (Democratic) | 707-576-2526 | 61% |
| Assembly Member (Assembly District 12) | Damon Connolly (Democratic) | 415-479-4920 | 39% |
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
- Santa Rosa website: https://www.srcity.org/
- Santa Rosa laws: search for the Santa Rosa, California code of ordinances
- Sonoma County website: https://sonomacounty.gov/
- Sonoma County laws: search for the Sonoma County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 2 | 97% |
| State Senate District 3 | 3.5% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 2 | 61% |
| Assembly District 12 | 39% |
Voting precincts
61 voting precincts overlap ZIP 95404. 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:95404")
ZIP 95404 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.