The Town[3] of Lima is located in Rock County, Wisconsin, United States.

The unincorporated community of Lima Center is located in the town.

According to the United States Census Bureau, the town has a total area of 36.4 square miles (94.3 km2), of which, 36.4 square miles (94.3 km2) of it is land and 0.03% is water.

At the 2000 census there were 1,312 people in 472 households, including 367 families, in the town.

There were 494 housing units at an average density of 13.6 per square mile (5.2/km2).