Rathdrum is a city in Kootenai County, Idaho, United States.

[3] It is part of the Coeur d'Alene Metropolitan Statistical Area, which includes the entire county.

According to the United States Census Bureau, the city has a total area of 6.54 square miles (16.94 km2), all land.

A local businessman, Michael M. Cowley, recommended the name "Rathdrum" from County Wicklow in Ireland, his place of birth.

[4] Near the end of the 19th century, the Northern Pacific Railway built its line westwards to Spokane and Rathdrum started to grow slowly.