[5] Green City traces its beginnings to April, 1880 when Sullivan County farmer Henry Pfeiffer commissioned surveyor Thomas J. Dockery to lay out the town in what had previously been a cornfield.

The impetus for the town was the Quincy, Missouri & Pacific railway, which laid tracks close by in the early 1880s.

Around the same time a small frame building was moved from the nearby village of Kiddville by S.H.

Green City, Missouri, is the site of Widmark Airport (FAA LID: MO83).

Towns the size of Green City, whose population numbered only 688 inhabitants in 2000, usually do not have airports, but Richard Widmark owned a cattle ranch in the area during the 1950s and 1960s.

Widmark contributed funds to the construction of an airport which led to its being named in his honor.

39.6% of all households were made up of individuals, and 17.8% had someone living alone who was 65 years of age or older.

37.5% of all households were made up of individuals, and 22.8% had someone living alone who was 65 years of age or older.