Electrolytes are minerals in your blood and other body fluids that carry an electric charge. Electrolytes affect how your body functions in many ways, including: 1  The amount of water in your body. 2  The acidity of your blood (pH)  Your muscle function.
Louisville-area population tops 1.3 million. The population of the Louisville metropolitan statistical area has reached an estimate of more than 1.3 million, keeping the local MSA among the largest U.S. markets. Based on estimates by The Business Journals, an affiliate of Business First, the population of Louisville was 1,306,171 as of Jan. 15.
As of the 2000 census, the MSA had a population of 107,547 (though a July 1, 2009 estimate placed the population at 113,433). The ElizabethtownâFort Knox Metropolitan Statistical Area is part of the LouisvilleâElizabethtownâMadison, KY-IN Combined Statistical Area, which covers a 17-county area (eleven in Kentucky and six in Indiana). The Census Bureau officially changed the name of the metropolitan area from Elizabethtown to ElizabethtownâFort Knox in 2013.