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 median age of people in Louisville/Jefferson County, KY-IN Metro Area in 2015 was 38.9, and native-born citizens (39.1) are generally older than foreign-born citizens (37.2). Compared to 2014, where the average age was 38.4, the residents of Louisville/Jefferson County, KY-IN Metro Area are getting older.