Gem is an unincorporated community in Sugar Creek Township, Hancock County, Indiana.
Gem was never properly laid out or platted. A store and a saw mill were built at Gem in 1871.
A post office was established at Gem in 1877, and remained in operation until it was discontinued in 1907.
Gem is located at 39°46′46″N 85°53′48″W / 39.77944°N 85.89667°W.
- ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- ^ "Gem, Indiana". Geographic Names Information System. United States Geological Survey. Retrieved 2009-10-17.
- ^ Richman, George J. (1916). History of Hancock County, Indiana: Its People, Industries and Institutions. Wm. Mitchell Printing Company. p. 781.
- ^ "Hancock County". Jim Forte Postal History. Retrieved 17 September 2014.