According to the United States Census Bureau , the city has a total area of 6.60 square miles ( 17.09 km2 ) , of which , 6.54 square miles ( 16.94 km2 ) is land and 0.06 square miles ( 0.16 km2 ) is water .
Of this , 6.54 square miles ( 16.94 km2 ) is land and 0.06 square miles ( 0.16 km2 ) is water .