Anniston is a city in Mississippi County, Missouri, United States.

[6] A post office called Hainley's Switch was established in 1890, and the name was changed to Anniston in 1894.

[9] According to the U.S. Census Bureau, Anniston has a total area of 0.39 square miles (1.01 km2), all land.

The racial makeup of the city was 97.41% White, 2.16% Black or African American, and 0.43% from two or more races.

29.8% of all households were made up of individuals, and 16% had someone living alone who was 65 years of age or older.

28.8% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

About 11.1% of families and 15.4% of the population were below the poverty line, including 22.1% of those under the age of eighteen and 12.0% of those 65 or over.