Altoona is a city in Wilson County, Kansas, United States,[1] along the Verdigris River.

[7] As of 1916, Altoona was a sundown town, where African Americans were not allowed to live.

[10] According to the United States Census Bureau, the city has a total area of 0.55 square miles (1.42 km2), all of it land.

[11] The 2020 United States census counted 354 people, 140 households, and 84 families in Altoona.

There were 182 housing units at an average density of 340.8 per square mile (131.6/km2).

35.0% of households consisted of individuals and 13.6% had someone living alone who was 65 years of age or older.

There were 194 housing units at an average density of 352.7 per square mile (136.2/km2).

The racial makeup of the city was 95.2% White, 1.2% Native American, and 3.6% from two or more races.

27.9% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older.

32.8% of all households were made up of individuals, and 18.4% had someone living alone who was 65 years of age or older.