Sullivan City city, Texas
Official LSAD Designation: Sullivan City city • Census GEOID: 4870868
• Hidalgo County
Sullivan City city is an incorporated city in Hidalgo County, Texas. According to official records from the Census (2025), Sullivan City city had an estimated population of 3,891 residents. Official Census Bureau geographic records classify this community under LSAD designation Sullivan City city (GEOID 4870868).
Local Government Administration U.S. Census Bureau GMAF
City Of Sullivan City
Municipal
Official Title:
City Secretary
Address:
PO BOX 249, SULLIVAN CITY TX 78595-0249
County Of Hidalgo
County
Official Title:
County Judge
Address:
PO BOX 1356, EDINBURG TX 78540-1356
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,891 | 2025 |
| Median Household Income | $44,464 | 2020-2024 |
| Median Home Value | $94,600 | 2020-2024 |
| Land Area | 3.59 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).