McNairy County, Tennessee covers an area of approximately 556 square miles with a geographic center of 35.15428903°(N), -88.59399366°(W).
These are the far north, south, east, and west coordinates of McNairy County, Tennessee, comprising a rectangle that encapsulates it. Please note that not all coordinates inside this rectangle will fall inside of McNairy County, Tennessee, as it (most likely) doesn't fill up the entire rectangle.
According to data gathered by the Shuttle Radar Topography Mission. The lowest elevation in McNairy County is 142 meters (466 feet). This ranks McNairy County 36th in terms of lowest elevations when compared to a total of 95 counties in Tennessee.
McNairy County's highest elevation is 341 meters (1,119 feet) which ranks it 70th in terms of highest elevations when compared to a total of 95 counties in Tennessee.