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.
The Kentucky population is projected to reach 4.6 million by the 2020 Census and will nearly surpass the 5 million mark a decade later. By 2050, it's estimated that Kentucky will have a total population of 5.3 million. Population Data via US Census.