Nacogdoches (pronounced is a city in Nacogdoches County, Texas, in the United States. As of the 2000 census, the city population was 29,914. It is the county seat of Nacogdoches County and is situated in East Texas. Nacogdoches is a sister city of Natchitoches, Louisiana. Nacogdoches entered the news in February 2003, as one of the East Texas towns that received much of the Space Shuttle Columbia disaster debris. The quick response of the community impressed federal authorities who arrived later. Federal officials made use of mapping provided by Stephen F. Austin State University's Columbia Regional Geospatial Service Center. The center began mapping debris data points within 30 minutes of impact and predicted the scatter area very accurately, saving searchers an enormous amount of time.

Nacogdoches is located at 31°36′32″N, 94°39′3″W (31.608855, -94.650862). Its location is approximately 140 miles NNE of Houston, 130 miles SE of Dallas and 90 miles SW of Shreveport. As of the census of 2000, there were 29,914 people, 11,220 households, and 5,935 families residing in the city. The population density was 457.8/km² (1,185.9/mi²). There were 12,329 housing units at an average density of 188.7/km² (488.7/mi²). The racial makeup of the city was 65.98% White, 25.06% African American, 0.34% Native American, 1.13% Asian, 0.11% Pacific Islander, 5.84% from [Census)|other races]], and 1.55% from two or more races. Hispanic or Latino of any race were 10.82% of the population.