Boxholm is a city in Grant Township, Boone County, Iowa, United States. The population was 215 at the 2000 census. It is part of the 'Boone, Iowa Micropolitan Statistical Area', which is a part of the larger 'Ames-Boone, Iowa Combined Statistical Area'.
Boxholm is located at 42°10′30″N 94°6′20″W / 42.175°N 94.10556°W / 42.175; -94.10556 (42.174905, -94.105523).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.6 km²), all of it land.