ZIP code 91040: Los Angeles, CA
ZIP code 91040 is in Los Angeles, in Los Angeles County, California. It is in California's 30th congressional district (65%) and California's 29th congressional district (35%). Its state senate district is State Senate District 20; its state house district is Assembly District 44.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Los Angeles | 100% |
| County | Share of ZIP residents |
|---|---|
| Los Angeles County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Fernando Valley CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 30th congressional district (CA-30) | 65% |
| California's 29th congressional district (CA-29) | 35% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 20 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 44 | 100% |
Voting precincts
7 voting precincts overlap ZIP 91040. 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:91040")
ZIP 91040 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.