Sheldon is a city in southern Vernon County, Missouri, United States.

[4] The city was named for Sheldon A. Wright (or Wight), the owner of the town site.

[7] According to the United States Census Bureau, the city has a total area of 0.53 square miles (1.37 km2), all land.

There were 238 housing units at an average density of 449.1 per square mile (173.4/km2).

30.3% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 99.24% White, 0.19% Native American, 0.19% Pacific Islander, and 0.38% from two or more races.

26.3% of all households were made up of individuals, and 13.9% had someone living alone who was 65 years of age or older.