Seguin, Texas

Seguin, Texas
Park Plaza Hotel, Seguin's tallest downtown building. Bottom: The 1916 Aumont Hotel is part of the National Register of Historic Places; the 2nd-tallest building in downtown Seguin.
Location of Seguin in Guadalupe County, Texas
Coordinates: 29°37′40″N 97°57′42″W / 29.62778°N 97.96167°W / 29.62778; -97.96167
CountryUnited States
StateTexas
CountyGuadalupe
FoundedAugust 12, 1838
Incorporated1853
Government
  TypeCouncil-Manager
Area
  Total
40.224 sq mi (104.180 km2)
  Land40.026 sq mi (103.666 km2)
  Water0.198 sq mi (51.157 km2)
Elevation
558 ft (170 m)
Population
 (2020)
  Total
29,433
  Estimate 
(2023)
36,013
  RankTX: 102nd
  Density900.0/sq mi (347.4/km2)
Time zoneUTC–6 (Central (CST))
  Summer (DST)UTC–5 (CDT)
ZIP Codes
78155, 78156
Area code830
FIPS code48-66644
GNIS feature ID2411860
Sales tax8.25%
Websiteseguintexas.gov

Seguin (/sɪˈɡn/ sih-GHEEN) is a city in and the county seat of Guadalupe County, Texas, United States. The population was 29,433 at the 2020 census, and according to 2023 census estimates, the city is estimated to have a population of 36,013.