Corunna is a town in Richland Township, DeKalb County, Indiana, United States. The population was 251 at the 2010 census.
A post office was established at Corunna in 1858. The town was most likely named after Corunna, Michigan.
In 1914, Corunna had three schools, a bank, two mills, and a hotel.
Corunna is located at 41°26′12″N 85°8′46″W (41.436722, -85.146189).
According to the 2010 census, Corunna has a total area of 0.17 square miles (0.44 km2), all land.
As of the census of 2010, there were 254 people, 88 households, and 64 families living in the town. The population density was 1,494.1 inhabitants per square mile (576.9/km2). There were 98 housing units at an average density of 576.5 per square mile (222.6/km2). The racial makeup of the town was 94.9% White, 0.4% African American, 0.4% Native American, 0.4% Asian, 2.4% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 4.3% of the population.
There were 88 households, of which 42.0% had children under the age of 18 living with them, 48.9% were married couples living together, 12.5% had a female householder with no husband present, 11.4% had a male householder with no wife present, and 27.3% were non-families. 21.6% of all households were made up of individuals, and 3.4% had someone living alone who was 65 years of age or older.