ZIP code 92503: Riverside, CA
ZIP code 92503 is in Riverside (76% of residents), El Sobrante (16%), Home Gardens (4.7%) and Woodcrest (3.0%), in Riverside County, California. It is in California's 39th congressional district (81%) and California's 40th congressional district (19%). Its state senate districts are State Senate District 31 (81%) and State Senate District 32 (19%); its state house districts are Assembly District 58 (81%) and Assembly District 63 (19%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Riverside | 76% |
| El Sobrante | 16% |
| Home Gardens | 4.7% |
| Woodcrest | 3.0% |
| Corona | 0.1% |
| County | Share of ZIP residents |
|---|---|
| Riverside County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Riverside CCD | 75% |
| Corona CCD | 21% |
| Lake Mathews CCD | 4.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 39th congressional district (CA-39) | 81% |
| California's 40th congressional district (CA-40) | 19% |
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 |
|---|---|---|---|
| mayor | Patricia Lock Dawson | 76% | |
| U.S. Representative (CA-39) | Mark Takano (D) | 202-225-2305 | 81% |
| U.S. Representative (CA-40) | Young Kim (R) | 202-225-4111 | 19% |
| 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 31) | Sabrina Cervantes (Democratic) | 951-680-6750 | 81% |
| State Senator (State Senate District 32) | Kelly Seyarto (R) | 951-280-1260 | 19% |
| Assembly Member (Assembly District 58) | Leticia Castillo (R) | 951-371-6860 | 81% |
| Assembly Member (Assembly District 63) | Natasha Johnson (R) | 951-277-3639 | 19% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Riverside laws: search for the Riverside, California code of ordinances
- El Sobrante laws: search for the El Sobrante, California code of ordinances
- Home Gardens laws: search for the Home Gardens, California code of ordinances
- Riverside County website: https://rivco.gov/
- Riverside County laws: search for the Riverside County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 31 | 81% |
| State Senate District 32 | 19% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 58 | 81% |
| Assembly District 63 | 19% |
Voting precincts
35 voting precincts overlap ZIP 92503. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:92503")
ZIP 92503 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.