Illmo is a former community and neighborhood of Scott City, Missouri.
Illmo had its start in 1905 with construction of the nearby Thebes Bridge which connects Illinois and Missouri.
[2] A post office called Illmo was established in 1904, and remained in operation until 1982.
[3] Illmo was annexed by Scott City in 1980.
This Scott County, Missouri state location article is a stub.