San Diego, Texas
San Diego is a city in Duval County (80% of residents) and Jim Wells County (20%), Texas, with 3,748 residents in 2020. It spans 2 congressional districts: TX-28 (80%) and TX-15 (20%). It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Duval County | 80% |
| Jim Wells County | 20% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Texas's 28th congressional district (TX-28) | 80% |
| Texas's 15th congressional district (TX-15) | 20% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TX-28) | Henry Cuellar (D) | 202-225-1640 | 80% |
| U.S. Representative (TX-15) | Monica De La Cruz (R) | 202-225-9901 | 20% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 21) | Judith Zaffirini (Democratic) | 956-722-2293 | 80% |
| State Senator (State Senate District 20) | Chuy Hinojosa (Democratic) | 361-882-0900 | 20% |
| State Representative (State House District 31) | Ryan Guillen (R) | 80% | |
| State Representative (State House District 43) | J.M. Lozano (R) | 20% |
Elected in 2024 under TX'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
- San Diego laws: search for the San Diego, Texas code of ordinances
- Duval County website: https://www.co.duval.tx.us/
- Duval County laws: search for the Duval County, Texas code of ordinances
- Jim Wells County website: https://www.co.jim-wells.tx.us/
- Jim Wells County laws: search for the Jim Wells County, Texas code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 21 | 80% |
| State Senate District 20 | 20% |
| State house district | Share of residents |
|---|---|
| State House District 31 | 80% |
| State House District 43 | 20% |
ZIP codes
Percentages mark ZIPs only partly in San Diego: the share of that ZIP's residents living in it.
- 78384 (66%)
Get this in your AI agent
Your agent can get San Diego'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:4865180")
San Diego 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.