ZIP code 94580: San Lorenzo, CA
ZIP code 94580 is in San Lorenzo (73% of residents) and Ashland (26%), in Alameda County, California. It is in California's 14th congressional district (74%) and California's 10th congressional district (26%). Its state senate district is State Senate District 9; its state house district is Assembly District 20.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Lorenzo | 73% |
| Ashland | 26% |
| Cherryland | 0.7% |
| County | Share of ZIP residents |
|---|---|
| Alameda County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hayward CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 14th congressional district (CA-14) | 74% |
| California's 10th congressional district (CA-10) | 26% |
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 9 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 20 | 100% |
Voting precincts
12 voting precincts overlap ZIP 94580. 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:94580")
ZIP 94580 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.