The city of Louisville, also called "Derby City", "River City", "Gateway to the South", "Falls City", "The Ville" encompasses the following counties: Jefferson. Louisville's government is comprised of the Mayor, who is currently Greg Fischer (D).
Louisville encompasses land area: 997.38 km2 (385.09 sq mi), water area: 35 km2 (13 sq mi). The elevation is 142 m (466 ft) above sea level. This equates to a population density of 743.0/km2 (1,924/sq mi). Anyone living in the city is commonly known as a "Louisvillian". The local time zone is EST (UTC-5).
Local area codes are 502. The Federal Information Processing Standard (FIPS) code for the city is 21-48000, which is used in computer filings when non-government agencies and contractors fulfill government contracts. Additional information and the official website of the city is found at louisvilleky.gov.