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.
1. Louisville. Located in Jefferson County, Louisville is home to over 600,000 people across its 340 square miles. The biggest city in Kentucky is known for the University of Louisville and ranks in the top 30 largest cities in America.