Union County, Florida covers an area of approximately 251 square miles with a geographic center of 30.04393164°(N), -82.38412247°(W).
These are the far north, south, east, and west coordinates of Union County, Florida, comprising a rectangle that encapsulates it. Please note that not all coordinates inside this rectangle will fall inside of Union County, Florida, 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 Union County is -22 meters (-72 feet). This ranks Union County 39th in terms of lowest elevations when compared to a total of 67 counties in Florida.
Union County's highest elevation is 66 meters (217 feet) which ranks it 34th in terms of highest elevations when compared to a total of 67 counties in Florida.