According to the United States Census Bureau, the city has a total area of 1.5square miles (3.8Square kilometers), all of it land. As of the census of 2000, there were 525 people, 206households, and 155families residing in the city. The population density was 355.9people per square mile (137.0Square kilometers). There were 241housing units at an average density of 163.4Square meters(62.9Square kilometers). Mount Enterprise is a city in Rusk County, Texas, United States. The population was 525 at the 2000 census.