Luther is a village in Lake County in the U.S. state of Michigan. As of the 2000 census, the village population was 339. The village is on the boundary between Newkirk Township on the west and Ellsworth Township on the east, with about half of the village in each. It is the site of Hillsdale College's G.H. Gordon Biological Research Station.
According to the United States Census Bureau, the village has a total area of 0.9 square miles (2.5 km²), of which, 0.9 square miles (2.4 km²) of it is land and 0.04 square miles (0.1 km²) of it (2.11%) is water.
As of the census of 2000, there were 339 people, 133 households, and 88 families residing in the village. The population density was 364.8 per square mile (140.7/km²). There were 186 housing units at an average density of 200.2 per square mile (77.2/km²). The racial makeup of the village was 91.74% White, 0.59% African American, 4.13% Native American, 0.29% Asian, 0.29% from other races, and 2.95% from two or more races. Hispanic or Latino of any race were 3.24% of the population.