Condon is an unincorporated community and census-designated place in Missoula County, Montana, United States. Located along the Swan River and MT-Hwy 83, Condon is situated between the Swan Mountain Range and the Mission Mountains with close proximity to the Bob Marshall Wilderness Area and Holland Lake. Its population was 343 as of the 2010 census.
Condon is the site of a U.S. post office, using ZIP Code 59826, which opened on July 1, 1952. Mission Mountain School is located in the community and the U.S. Forest Service operates an airport in Condon.