|Morgan County Illinois Cities/Towns -
Alexander, Arcadia, Chapin, Concord, Franklin, Jacksonville (County Seat), Literberry, Lynnville, Meredosia, Murrayville, Nortonville, Pisgah, South Jacksonville, Waverly, Woodson
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Morgan County is a county located in the U.S. state of Illinois. As of 2016, the population was 34,277. Its county seat is Jacksonville.
Morgan County was formed in 1823. It was named in honor of General Daniel Morgan, who defeated the British at the Battle of Cowpens in the Revolutionary War. General Morgan was serving under General Nathanael Greene at Cowpens.