McCallsburg is a city in Story County, Iowa, United States.

[3] 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 145 housing units at an average density of 307.8 per square mile (118.8/km2).

There were 148 housing units at an average density of 279.2 per square mile (107.8/km2).

The racial makeup of the city was 97.6% White, 0.6% African American, and 1.8% from two or more races.

27.5% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 98.11% White, 1.26% African American, 0.31% Asian, and 0.31% from two or more races.

24.0% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.

[9] The district was established on July 1, 1991, by the merger of the Colo and NESCO school districts,[10] with the latter serving McCallsburg and Zearing; "NESCO" means "Northeast Story County".