California's 51st congressional district (CA-51)
California's 51st congressional district (CA-51) lies within San Diego County, and 37 ZIP codes (14 wholly inside it). Its 2020 population was 758,012. This is the map in force for the November 3, 2026 election.
Who represents CA-51
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (CA-51) | Sara Jacobs (D) | 202-225-2040 |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form |
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: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in CA-51 |
|---|---|
| San Diego County | 23% |
ZIP codes
Percentages mark ZIPs only partly in CA-51: the share of that ZIP's residents inside it.
- 91901 (66%)
- 91916
- 91931
- 91935 (3.8%)
- 91941
- 91942
- 91945 (100%)
- 91948 (86%)
- 91962 (94%)
- 91977 (43%)
- 91978 (95%)
- 92019 (96%)
- 92020
- 92021
- 92036 (82%)
- 92040
- 92064 (0.2%)
- 92065 (39%)
- 92070 (32%)
- 92071 (<0.1%)
- 92101 (10%)
- 92102 (33%)
- 92103
- 92104 (81%)
- 92105 (16%)
- 92108 (90%)
- 92110 (6.6%)
- 92114 (43%)
- 92115 (86%)
- 92116
- 92119
- 92120
- 92123 (87%)
- 92124
- 92134
- 92139 (52%)
- 92182
Towns
Laguna-Pine Valley CCD, Alpine CCD, Palomar-Julian CCD, Ramona CCD, San Diego CCD and Jamul CCD.
Get this in your AI agent
Your agent can draw every precinct in CA-51, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:0651", children_level="precinct", include_districts=True)