Ortonville is a village located in Oakland County in the U.S. state of Michigan. As of the 2000 census, the village had a total population of 1,535.
According to the United States Census Bureau, the village has a total area of 2.6 km2 (1.0 mi2). 2.6 km2 (1.0 mi2) of it is land and none of it is covered by water.