Morrisville is a city in southern Polk County, Missouri, United States.

The Little Sac River flows past about two miles to the southeast.

[6] According to the United States Census Bureau, the city has a total area of 0.64 square miles (1.66 km2), all land.

There were 166 housing units at an average density of 259.4 per square mile (100.2/km2).

23.5% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 98.84% White, 0.29% Native American, and 0.87% from two or more races.

27.7% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older.