Seguin, Texas

Seguin population, 2020 to 2024

Seguin added 9,309 residents from July 2020 to July 2024, a change of +31.6%. In the latest year it moved by +2,667. Among 384 Texas places of 5,000 or more, that growth ranks 45th; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Seguin is 2.5 times that size.

Seguin covers 40.03 square miles of land and 0.20 of water, for 969 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Seguin is less dense than the typical town.

What county Seguin is in

All of Seguin's residents live in Guadalupe County, which had 195,166 residents in 2024. Seguin holds 19.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Seguin

1 ZIP Code Tabulation Area (ZCTA) overlaps Seguin by at least 10% of the ZCTA's or the city's land: 78155. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Seguin is

The Census internal point of Seguin is at 29.590200, -97.968600. Austin, the capital, is 49.2 miles NNE in a straight line. The nearest larger place is New Braunfels, TX (116,477 people), 11.6 miles away.

Daylight in Seguin

At 29.59° N, Seguin gets about 14 h 03 min of daylight around the June solstice and 10 h 15 min around the December solstice, a swing of 3 h 48 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Seguin

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Marion, 10.5 miles away, with 1,098 people.