Salts and minerals that can conduct electrical impulses in the body. Common human electrolytes are sodium chloride, potassium, calcium, and sodium bicarbonate.
Louisville Population 2017. Lousiville's estimated 2016 population is around 620,000. The most recent census estimates released put the population at 615,366 in 2015, up from 596,823 in 2010. Louisville is the largest city in Kentucky and the 27th most populous city in the United States.
In Depth. Located on the banks of the Ohio River, Louisville is Kentucky's largest city. The eyes of the world are on Louisville each year when the fastest two minutes in sports, the Kentucky Derby, is run here. Tourism ads will tell you there are over 90 attractions and 2,500 restaurants.