Condon is an unincorporated community and census-designated place in Missoula County, Montana, United States. Located along the Swan River and Montana Highway 83, Condon is situated between the Swan Range to the east and the Mission Mountains to the west, providing ready access to the Bob Marshall Wilderness and Mission Mountains Wilderness, respectively. Its population was 285 as of the 2020 United States census, down from 343 in 2010.