ZIP code 90623: La Palma, CA
ZIP code 90623 is in La Palma (97% of residents) and Cerritos (1.8%), in Orange County (98%) and Los Angeles County (1.8%), California. It is in California's 45th congressional district. Its state senate district is State Senate District 36; its state house district is Assembly District 67.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| La Palma | 97% |
| Cerritos | 1.8% |
| Buena Park | 1.0% |
| County | Share of ZIP residents |
|---|---|
| Orange County | 98% |
| Los Angeles County | 1.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Anaheim-Santa Ana-Garden Grove CCD | 98% |
| Downey-Norwalk CCD | 1.8% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 45th congressional district (CA-45) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-45) | Derek Tran (D) | 202-225-2415 | 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 36) | Tony Strickland (R) | 714-374-4000 | 100% |
| Assembly Member (Assembly District 67) | Sharon Quirk-Silva (Democratic) | 714-521-6713 | 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
- La Palma website: http://www.cityoflapalma.org
- La Palma laws: search for the La Palma, California code of ordinances
- Cerritos laws: search for the Cerritos, California code of ordinances
- Orange County website: https://ocgov.com/
- Orange County laws: search for the Orange County, California code of ordinances
- Los Angeles County website: https://lacounty.gov
- Los Angeles County laws: search for the Los Angeles County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 36 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 67 | 100% |
Voting precincts
24 voting precincts overlap ZIP 90623. 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:90623")
ZIP 90623 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.