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.
Overview & Update. The total population of the Louisville/Jefferson County, KY-IN MSA metro changed from 1,237,810 in 2010 to 1,271,172 in 2015, a change of 40,603 (3.3%). Among all 917 metros, this metro was ranked number 43 in 2010 and 43 in 2015, based on total population.