Alexander, Illinois

Alexander is an unincorporated community and census-designated place (CDP) in Morgan County, Illinois, United States. Alexander is 10 mi east of Jacksonville, the county seat, and has a post office with ZIP code 62601. As of the 2020 census, it had a population of 155.

History
Alexander was laid out in the 1850s by John T. Alexander, and named for him. A post office has been in operation at Alexander since 1857. The community was made a CDP prior to the 2020 census.