Keithsburg is a city in Mercer County, Illinois, United States, on the Mississippi River. The population was 550 at the 2020 census, down from 609 in 2010. It was named for Robert Keith, a pioneer settler. Due to a flood in 1993, there isn’t much to do in Keithsburg. Some of the only things that are still in use today include, a bar/restaurant named “The Eagles Nest”, a gas station called “Casey’s”, and one or two playgrounds.
Downtown Keithsburg in April 2017
Oblique air photo of Keithsburg (bottom) and the Wildlife Refuge to the north, in September, 2018.
Mercer County is a county in Illinois. According to the 2020 census, it had a population of 15,699. Its county seat is Aledo.
Mercer County Courthouse