ZIP code 90405: Santa Monica, CA
ZIP code 90405 is in Santa Monica, in Los Angeles County, California. It is in California's 36th congressional district. Its state senate districts are State Senate District 24 (100%) and State Senate District 28 (0.4%); its state house districts are Assembly District 51 (100%) and Assembly District 55 (0.4%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Santa Monica | 100% |
| Los Angeles | 0.4% |
| County | Share of ZIP residents |
|---|---|
| Los Angeles County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Santa Monica CCD | 100% |
| Los Angeles CCD | 0.4% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 36th congressional district (CA-36) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Lana Negrete | 310-458-8201 | 100% |
| U.S. Representative (CA-36) | Ted Lieu (D) | 202-225-3976 | 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 24) | Ben Allen (Democratic) | 310-414-8190 | 100% |
| State Senator (State Senate District 28) | Lola Smallwood-Cuevas (Democratic) | 213-745-6656 | 0.4% |
| Assembly Member (Assembly District 51) | Rick Zbur (Democratic) | 323-436-5184 | 100% |
| Assembly Member (Assembly District 55) | Isaac Bryan (Democratic) | 310-641-5410 | 0.4% |
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: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Santa Monica website: https://www.santamonica.gov/
- Santa Monica laws: search for the Santa Monica, 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 24 | 100% |
| State Senate District 28 | 0.4% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 51 | 100% |
| Assembly District 55 | 0.4% |
Voting precincts
9 voting precincts overlap ZIP 90405. 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:90405")
ZIP 90405 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.