Croydon is a small unincorporated community in northeastern Morgan County, Utah, United States. It is part of the Ogden–Clearfield, Utah Metropolitan Statistical Area. Accessible from Interstate 84, it is home to Holcim's Devil's Slide Cement Plant and several hundred residents. Lost Creek runs through this small unincorporated town, just northeast of the Devil's Slide rock formation. Cattle and sheep ranches can be found throughout the valley and in the surrounding mountains.