what county is crossville tn in
Crossville, TN. Sponsored Topics. Crossville is a city in and the county seat of Cumberland County, Tennessee, United States. The population was 10,795 at the 2010 Census. Crossville is located at 35Â°57â²15â³N 85Â°1â²53â³W / 35.95417Â°N 85.03139Â°W / 35.95417; -85.03139 (35.954221, -85.031267).