The territory of the district is 1004hectares. Thereof fall 70.4% upon agriculturally used area, 11% upon forest area, 18.3% upon settlement area and roads and 0.3% upon other.
Population
The population of Ergenzingen counts 4166 people. So Ergenzingen is the largest district of Rottenburg. At an area of 10.04 km2 this corresponds to a population density of 415 people per km2, or 1,075 per sq mi.