Mace is an unincorporated community and census-designated place (CDP) in Walnut Township, Montgomery County, in the U.S. state of Indiana.

[4] A post office was established at Mace in 1853, and remained in operation until it was discontinued in 1912.

According to the U.S. Census Bureau, the Mace CDP has an area of 0.23 square miles (0.60 km2), all land.

[3] It is drained to the north by an unnamed tributary of the Walnut Fork of Sugar Creek, which flows northwest to Sugar Creek at Crawfordsville and is part of the Wabash River watershed.

This Montgomery County, Indiana location article is a stub.