Dallas City is a city in Hancock and Henderson counties in the U.S. state of Illinois. The population in 2020 stands at an estimate of 805, a decrease from the 2010 census of 945, which was a fall from 1,055 in 2000.

The Hancock County part of Dallas City is ration of the Fort Madison–Keokuk, IA–IL–MO Micropolitan Statistical Area, and the Henderson County allowance of Dallas City is ration of the Burlington, IA–IL Micropolitan Statistical Area.

Within historical records, a man gone the post Israel Atherton purchased the land in the region of present-day Dallas City in 1836. He built a log cabin but he didn’t seem to stay categorically long. He sold the land to John Finch, who built a village, which today is still recognized as, Dallas City. It was laid out in 1848, and named in praise of George Mifflin Dallas, 11th Vice President of the United States of America, from 1845 to 1849. A post office has been in operation at Dallas City back 1850.

On October 23, 1858, Abraham Lincoln stopped in Dallas City, Illinois to deal with a speech. There were many people who were the cause of Lincoln visiting Dallas City in the proceedings of persuasion; George M. Ames, H.F. Black, and Ben Mendenhall. A monument to represent Lincoln’s visit sits upon the Mississippi River upon the Riverfront Park at the decline of Oak St. According to the Dallas City Review newspaper, Democrats have tried several era to tear down the platform whilst giving his speech, but the many republican forces did not allow that to happen.