Ladoga is a town in Clark Township, Montgomery County, in the U.S. state of Indiana.

[8] The Haw Creek Academy was built two miles south of Ladoga in 1838 by the Christian Church.

In 1855, the Ladoga Female Seminary was established by the Baptist Church, which quickly decided to allow male students, and shortly afterward the Ladoga Male Academy was established, which soon allowed female students.

)[9] Central Normal College was founded in Ladoga in 1876; it moved to Danville in 1878.

Known as Normal Hall, it was listed on the National Register of Historic Places in 1996.

[10] The town of Ladoga lays claim to the Chicago World's Fair Ferris Wheel.

Designed by Pittsburgh bridge-builder George Washington Gale Ferris Jr., Luther V. Rice of Ladoga agreed to build it.

Indiana State Road 234 passes through the town as Main Street, leading east 10 miles (16 km) to Jamestown and west 15 miles (24 km) to Shades State Park.

According to the U.S. Census Bureau, Ladoga has a total area of 0.54 square miles (1.40 km2), all land.

22.3% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older.

23.1% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.