Original: Geography According to the United States Census Bureau , the city has a total area of 6.1 square miles ( 15.9 km ² ) , of which , 5.9 square miles ( 15.3 km ² ) of it is land and 0.2 square miles ( 0.6 km ² ) or 3.75 percent of it is water .
Simplified: Geography The United States Census Bureau says that the city has a total area of 15.9 km ² ( 6.1 mi ² ) . 15.3 km ² ( 5.9 mi ² ) of it is land and 0.6 km ² ( 0.2 mi ² ) of it is water .