According to the 2010 census, Jonesboro had the third smallest population of a city in Indiana.

[5] According to the 2010 census, Jonesboro has a total area of 0.89 square miles (2.31 km2), all land.

Citizens of Jonesboro also vote for their Clerk-Treasurer and City Attorney.

There were 770 housing units at an average density of 865.2 per square mile (334.1/km2).

23.8% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older.

25.0% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.

The King's Academy is a K-12 Christian school affiliated with the ACSI.