 Lock Haven is the county seat of Clinton County . According to the United States Census Bureau , the city has a total area of 2 @.@ 7 square miles ( 7 @.@ 0 km2 ) , 2 @.@ 5 square miles ( 6 @.@ 5 km2 ) of which is land . About 0 @.@ 2 square miles ( 0 @.@ 5 km2 ) , 6 percent , is water . 
 Lock Haven <a href='drop_aux' title='1'><mark>is</mark></a>the county seat of Clinton County . According to the United States Census Bureau , the city <a href='got' title='2'><mark>has</mark></a> a total area of 2 @.@ 7 square miles ( 7 @.@ 0 km2 ) , 2 @.@ 5 square miles ( 6 @.@ 5 km2 ) of which <a href='drop_aux' title='3'><mark>is</mark></a>land . About 0 @.@ 2 square miles ( 0 @.@ 5 km2 ) , 6 percent , <a href='drop_aux' title='4'><mark>is</mark></a>water . 
Lock Haven da county seat of Clinton County . According to the United States Census Bureau , the city got a total area of 2 @.@ 7 square miles ( 7 @.@ 0 km2 ) , 2 @.@ 5 square miles ( 6 @.@ 5 km2 ) of which land . bou 0 @.@ 2 square miles ( 0 @.@ 5 km2 ) , 6 percent , water .