Lake wylie is located in York county South carolina with a geographic area of 7.9 square miles. The total population in Lake wylie is 14,091 with 48.7% male and 51.3% female. Children under age 5 represent 5.1% of the population, under age 18 equal 28.0% of the population and over age 65 is 15.6% of the population. The median household income is $103,548, per capita income is $44,596. There are a total of 5,022 housing units with 77.0% owner occupied. Education includes 11.7% of residents that are high school graduates and 48.8% with a bachelor's degree or higher. The average temperature in Lake wylie in the summer is 77 degrees, and in the winter 43 degrees.