ZIP code 90638: La Mirada, CA
ZIP code 90638 is in La Mirada (99% of residents), in Los Angeles County (99%) and Orange County (1.0%), California. It is in California's 41st congressional district (99%) and California's 45th congressional district (1.0%). Its state senate districts are State Senate District 30 (99%) and State Senate District 34 (1.0%); its state house districts are Assembly District 64 (99%) and Assembly District 67 (1.0%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| La Mirada | 99% |
| Buena Park | 0.1% |
| South Whittier | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Los Angeles County | 99% |
| Orange County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Whittier CCD | 99% |
| Anaheim-Santa Ana-Garden Grove CCD | 1.0% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 41st congressional district (CA-41) | 99% |
| California's 45th congressional district (CA-45) | 1.0% |
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-41) | Ken Calvert (R) | 202-225-1986 | 99% |
| U.S. Representative (CA-45) | Derek Tran (D) | 202-225-2415 | 1.0% |
| 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 30) | Bob Archuleta (Democratic) | 562-406-1001 | 99% |
| State Senator (State Senate District 34) | Tom Umberg (Democratic) | 714-558-3785 | 1.0% |
| Assembly Member (Assembly District 64) | Blanca Pacheco (Democratic) | 562-861-5803 | 99% |
| Assembly Member (Assembly District 67) | Sharon Quirk-Silva (Democratic) | 714-521-6713 | 1.0% |
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 Mirada website: http://www.cityoflamirada.org
- La Mirada laws: search for the La Mirada, 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
- Orange County website: https://ocgov.com/
- Orange County laws: search for the Orange County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 30 | 99% |
| State Senate District 34 | 1.0% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 64 | 99% |
| Assembly District 67 | 1.0% |
Voting precincts
16 voting precincts overlap ZIP 90638. 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:90638")
ZIP 90638 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.