Louisville is the largest city located in the U.S. state of Kentucky. It is within Jefferson County and the 29th-most populous city in the United States. It has a total area of 397.68 square miles at 38°13.52′N 85°44.5′W. The elevation is 466 feet above sea level. As of the 2016 census data, it had a total consolidated population of 767,355. The population density was 1,924/sq mi. Estimated per capita income in 2016 was $25,366. It has Zip code 40208.