ZIP code 90220: Compton, CA
ZIP code 90220 is in Compton (85% of residents) and West Rancho Dominguez (8.9%), in Los Angeles County, California. 6.0% of its residents live outside city limits. It is in California's 43rd congressional district (94%) and California's 44th congressional district (6.0%). Its state senate district is State Senate District 35; its state house district is Assembly District 65.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Compton | 85% |
| West Rancho Dominguez | 8.9% |
| County | Share of ZIP residents |
|---|---|
| Los Angeles County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Compton CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 43rd congressional district (CA-43) | 94% |
| California's 44th congressional district (CA-44) | 6.0% |
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 |
|---|---|---|---|
| Mayor | Aja Brown | 85% | |
| U.S. Representative (CA-43) | Maxine Waters (D) | 202-225-2201 | 94% |
| U.S. Representative (CA-44) | Nanette Diaz Barragán (D) | 202-225-8220 | 6.0% |
| 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 35) | Laura Richardson (Democratic) | 310-514-8573 | 100% |
| Assembly Member (Assembly District 65) | Mike Gipson (Democratic) | 310-324-6408 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Compton website: http://www.comptoncity.org/
- Compton laws: search for the Compton, California code of ordinances
- West Rancho Dominguez laws: search for the West Rancho Dominguez, 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 35 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 65 | 100% |
Voting precincts
24 voting precincts overlap ZIP 90220. 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:90220")
ZIP 90220 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.