About Dallas City, Illinois
Coordinates: 40°38?12?N 91°9?55?W? / ?40.63667°N 91.16528°W? / 40.63667; -91.16528Dallas City is a city in Hancock and Henderson counties in the U.S. state of Illinois. The population was 1,055 at the 2000 census.The Henderson County portion of Dallas City is part of the Burlington, IA?IL Micropolitan Statistical Area.