ZIP code 92123: San Diego, CA
ZIP code 92123 is in San Diego, in San Diego County, California. It is in California's 51st congressional district (87%) and California's 50th congressional district (13%). Its state senate district is State Senate District 39; its state house district is Assembly District 78.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Diego | 100% |
| County | Share of ZIP residents |
|---|---|
| San Diego County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Diego CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 51st congressional district (CA-51) | 87% |
| California's 50th congressional district (CA-50) | 13% |
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 39 | 100% |
| State Senate District 40 | land only |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 78 | 100% |
Voting precincts
15 voting precincts overlap ZIP 92123. 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:92123")
ZIP 92123 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.