Seguin is a city located in Guadalupe County Texas. It is also the county seat of Guadalupe County. With a 2020 population of 30,712, it is the 107th largest city in Texas and the 1268th largest city in the United States . Seguin is currently growing at a rate of 1.19% annually and its population has increased by 21.99% since the most recent census, which recorded a population of 25,175 in 2010. Seguin reached it's highest population of 30,712 in 2021. Spanning over 38 miles, Seguin has a population density of 809 people per square mile.
The average household income in Seguin is $60,749 with a poverty rate of 18.13%. The median rental costs in recent years comes to $902 per month, and the median house value is $134,100. The median age in Seguin is 35.1 years, 35.6 years for males, and 34.5 years for females.