Hornersville is a city in Dunklin County, Missouri, United States, founded in 1840.

[7] Hornersville got train service in 1897 from Paragould, Arkansas when the Paragould Southeastern Railway was completed into town; and, was later linked to Blytheville, Arkansas when that rail line was extended.

[8] In 1942, an auxiliary field for the Blytheville Army Airfield was constructed west of town.

The field was used by cadets of the advanced flight school for their training exercises.

According to the United States Census Bureau, the city has a total area of 0.78 square miles (2.02 km2), all land.

33.1% of all households were made up of individuals, and 16.4% had someone living alone who was 65 years of age or older.

There were 324 housing units at an average density of 408.9 per square mile (157.9/km2).

33.8% of all households were made up of individuals, and 17.6% had someone living alone who was 65 years of age or older.