ZIP code 90740: Seal Beach, CA
ZIP code 90740 is in Seal Beach, in Orange County, California. It is in California's 42nd congressional district (73%), California's 41st congressional district (25%) and California's 45th congressional district (2.5%). Its state senate district is State Senate District 36; its state house districts are Assembly District 72 (72%) and Assembly District 70 (28%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Seal Beach | 100% |
| County | Share of ZIP residents |
|---|---|
| Orange County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| North Coast CCD | 93% |
| Anaheim-Santa Ana-Garden Grove CCD | 7.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 42nd congressional district (CA-42) | 73% |
| California's 41st congressional district (CA-41) | 25% |
| California's 45th congressional district (CA-45) | 2.5% |
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-42) | Robert Garcia (D) | 202-225-7924 | 73% |
| U.S. Representative (CA-41) | Ken Calvert (R) | 202-225-1986 | 25% |
| U.S. Representative (CA-45) | Derek Tran (D) | 202-225-2415 | 2.5% |
| 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 72) | Diane Dixon (R) | 949-798-7221 | 72% |
| Assembly Member (Assembly District 70) | Tri Ta (R) | 714-379-0970 | 28% |
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
- Seal Beach website: https://www.sealbeachca.gov/
- Seal Beach laws: search for the Seal Beach, 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 36 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 72 | 72% |
| Assembly District 70 | 28% |
Voting precincts
23 voting precincts overlap ZIP 90740. 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:90740")
ZIP 90740 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.