San Diego city, Texas
Official LSAD Designation: San Diego city • Census GEOID: 4865180
• Duval County / Jim Wells County
San Diego city is an incorporated city in Duval County, Jim Wells County, Texas. According to official records from the Census (2025), San Diego city had an estimated population of 3,503 residents. Official Census Bureau geographic records classify this community under LSAD designation San Diego city (GEOID 4865180).
Local Government Administration U.S. Census Bureau GMAF
City Of San Diego
Municipal
Official Title:
Mayor
Address:
404 S MIER ST, SAN DIEGO TX 78384-3108
County Of Duval
County
Official Title:
County Judge
Address:
PO BOX 189, SAN DIEGO TX 78384-0189
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,503 | 2025 |
| Median Household Income | $53,174 | 2020-2024 |
| Median Home Value | $85,600 | 2020-2024 |
| Land Area | 1.90 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).