According to the United States Census Bureau , the city has a total area of 4.36 square miles ( 11.29 km2 ) , of which , 4.28 square miles ( 11.09 km2 ) is land and 0.08 square miles ( 0.21 km2 ) is water .
Of this , 4.28 square miles ( 11.09 km2 ) is land and 0.08 square miles ( 0.21 km2 ) is water .