Cynthiana Map
Cynthiana is a town in Smith Township, Posey County, Indiana, United States. The population was 545 at the 2010 census. It was founded in 1817 and named for Cynthiana, Kentucky, where the first settlers had come from.
Cynthiana is located at 38°11?17?N 87°42?24?W / 38.18806°N 87.70667°W / 38.18806; -87.70667 (38.188006, -87.706730).
According to the United States Census Bureau, the town has a total area of 0.4 square miles (1.0 km²), all of it land.
Nearby cities include Griffin, New Harmony, Patoka, Princeton, Elberfeld.