El Cajon, California
El Cajon is a city in San Diego County, California, with 106,215 residents in 2020. It is in California's 51st congressional district. It spans 2 state house districts. Its state senate district is State Senate District 39.
County
| County | Share of residents |
|---|---|
| San Diego County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| California's 51st congressional district (CA-51) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Bill Wells | 619-441-1788 | citywide |
| U.S. Representative (CA-51) | Sara Jacobs (D) | 202-225-2040 | 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 39) | Akilah Weber Pierson (Democratic) | 619-688-6700 | 100% |
| Assembly Member (Assembly District 79) | LaShae Sharp-Collins (Democratic) | 619-465-7903 | 69% |
| Assembly Member (Assembly District 78) | Chris Ward (Democratic) | 619-280-7801 | 31% |
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
- El Cajon laws: search for the El Cajon, 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 residents |
|---|---|
| State Senate District 39 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 79 | 69% |
| Assembly District 78 | 31% |
ZIP codes
Percentages mark ZIPs only partly in El Cajon: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get El Cajon's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:0621712")
El Cajon here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.