- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Dallas City is a city in Hancock and Henderson counties in the U.S. state of Illinois. The population was 945 at the 2010 census, a decline from 1,055 in 2000.
The Henderson County portion of Dallas City is part of the Burlington, IA–IL Micropolitan Statistical Area.