ZIP code 92040: Lakeside, CA
ZIP code 92040 is in Lakeside (40% of residents), Winter Gardens (36%) and Eucalyptus Hills (13%), in San Diego County, California. 12% of its residents live outside city limits. It is in California's 51st congressional district. Its state senate district is State Senate District 40; its state house district is Assembly District 75.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lakeside | 40% |
| Winter Gardens | 36% |
| Eucalyptus Hills | 13% |
| County | Share of ZIP residents |
|---|---|
| San Diego County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Diego CCD | 100% |
| Ramona CCD | 0.3% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 51st congressional district (CA-51) | 100% |
| California's 50th congressional district (CA-50) | land only |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-51) | Sara Jacobs (D) | 202-225-2040 | 100% |
| U.S. Representative (CA-50) | Scott H. Peters (D) | 202-225-0508 | <0.1% |
| 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 40) | Brian Jones (R) | 760-796-4655 | 100% |
| Assembly Member (Assembly District 75) | Carl DeMaio (R) | 858-566-7538 | 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
- Lakeside laws: search for the Lakeside, California code of ordinances
- Winter Gardens laws: search for the Winter Gardens, California code of ordinances
- Eucalyptus Hills laws: search for the Eucalyptus Hills, California code of ordinances
- San Diego County laws: search for the San Diego County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 40 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 75 | 100% |
Voting precincts
29 voting precincts overlap ZIP 92040. 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:92040")
ZIP 92040 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.