Winona lake is located in Kosciusko county Indiana with a geographic area of 2.8 square miles. The total population in Winona lake is 4,902 with 47.2% male and 52.8% female. Children under age 5 represent 4.0% of the population, under age 18 equal 22.2% of the population and over age 65 is 12.6% of the population. The median household income is $70,778, per capita income is $43,185. There are a total of 1,691 housing units with 65.2% owner occupied. Education includes 21.3% of residents that are high school graduates and 53.0% with a bachelor's degree or higher. The average temperature in Winona lake in the summer is 73 degrees, and in the winter 29 degrees.