Willowbrook, California
Willowbrook is a Census-designated place (an unincorporated community) in Los Angeles County, California, with 24,315 residents in 2020. It is in California's 43rd congressional district. Its state senate district is State Senate District 35; its state house district is Assembly District 65.
County
| County | Share of residents |
|---|---|
| Los Angeles County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| California's 43rd congressional district (CA-43) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-43) | Maxine Waters (D) | 202-225-2201 | 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 35) | Laura Richardson (Democratic) | 310-514-8573 | 100% |
| Assembly Member (Assembly District 65) | Mike Gipson (Democratic) | 310-324-6408 | 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
- Willowbrook laws: search for the Willowbrook, 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 residents |
|---|---|
| State Senate District 35 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 65 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Willowbrook: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Willowbrook's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:0685614")
Willowbrook here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.