ZIP code 94621: Oakland, CA
ZIP code 94621 is in Oakland, in Alameda County, California. It is in California's 12th congressional district. Its state senate district is State Senate District 7; its state house district is Assembly District 18.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Oakland | 100% |
| County | Share of ZIP residents |
|---|---|
| Alameda County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Oakland CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 12th congressional district (CA-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Barbara Lee | 510-238-3141 | 100% |
| U.S. Representative (CA-12) | Lateefah Simon (D) | 202-225-2661 | 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 7) | Jesse Arreguín (Democratic) | 510-286-1333 | 100% |
| Assembly Member (Assembly District 18) | Mia Bonta (Democratic) | 510-286-1670 | 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: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Oakland website: https://www.oaklandca.gov/
- Oakland laws: search for the Oakland, California code of ordinances
- Alameda County website: https://www.acgov.org/
- Alameda County laws: search for the Alameda County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 7 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 18 | 100% |
Voting precincts
16 voting precincts overlap ZIP 94621. 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:94621")
ZIP 94621 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.