According to the United States Census Bureau , the city has a total area of 25.6 kmÂ ( 9.9 miÂ ) . 25.4 kmÂ ( 9.8 miÂ ) of it is land and 0.2 kmÂ ( 0.1 miÂ ) of it ( 0.71 % ) is water . According to the United States Census Bureau , the city has a total area of 9.9 square miles ( 25.6 kmÂ ) , of which , 9.8 square miles ( 25.4 kmÂ ) of it is land and 0.1 square miles ( 0.2 kmÂ ) of it ( 0.71 % ) is water .