About Louisville

Since 2003, the city's borders have been coterminous with those of Jefferson County because of a city-county merger. The city's total consolidated population at the 2010 census was 741,096. However, the balance total of 602,011 excludes other incorporated places and semi-autonomous towns within the county and is the population listed in most sources and national rankings. As of the 2012, the Louisville metropolitan area (MSA) had a population of 1,334,872 ranking 42nd nationally. The metro area includes Louisville-Jefferson County and 12 surrounding counties, eight in Kentucky and four in Southern Indiana. The Louisville Combined Statistical Area, having a population of 1,451,564, includes the MSA, Hardin County and Larue County in Kentucky, and Scott County, Indiana