Nacogdoches is a city in East Texas and the county seat of Nacogdoches County, Texas. As of the 2020 United States Census, the city's population was 32,147. Stephen F. Austin State University is located in Nacogdoches and specializes in forestry and agriculture. Come to Downtown Nacogdoches where the biggest, baddest rigs in the country go on display on the beautiful brick streets!