in what county is madisonville, tn
Sponsored Topics. Madisonville is a city in Monroe County, Tennessee, United States. The population was 3,939 at the 2000 census. It is the county seat of Monroe County and the location of Hiwassee College. Madisonville is located at 35Â°31â²11â³N 84Â°21â²49â³W / 35.51972Â°N 84.36361Â°W / 35.51972; -84.36361 (35.520691, -84.362905).