Owensville is a city in Gasconade County, Missouri, United States.

According to local legend Owens and blacksmith Edward Luster decided on the name while playing horseshoes in 1847.

According to one account Luster won the contest but thought Owensville sounded better than Lusterville.

The first post office was in 1856 and the town was formally platted in 1886 with the arrival of the Chicago, Rock Island and Pacific Railroad.

[5][6] According to the United States Census Bureau, the city has a total area of 2.64 square miles (6.84 km2), all land.

33.0% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older.

There were 1,202 housing units at an average density of 595.0 per square mile (229.7/km2).

34.0% of all households were made up of individuals, and 21.1% had someone living alone who was 65 years of age or older.

Owensville's government is organized under a Mayor and a four-member City Council.