According to the United States Census Bureau, the village has a total area of 6.8 square miles (17.7 km²), of which, 6.8 square miles (17.5 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.88%) is water. Lansing sits on the Calumet Shoreline, an ancient shoreline of Lake Michigan. This shoreline runs along Ridge Road.
The current Mayor of Lansing is Norman Abbott. The Village Clerk is Patty Idam. Lansing is a home rule community.