Louisville is a city in Jefferson County, in the U.S. state of Kentucky. It is located at the Falls of the Ohio River. Louisville is located at 38°13′31″N 85°44′30″W / 38.225371°N 85.741613°W. According to the U.S. Census Bureau, Louisville Metro (in 2015 measurements for Jefferson County) has a total area of 397.68 square miles (1,030.0 km2), of which 380.46 square miles (985.4 km2) is land and 17.23 square miles (44.6 km2) (4.33%) is covered by water.