Lakeville is located in Marshall county Indiana with a geographic area of 0.6 square miles. The total population in Lakeville is 765 with 51.1% male and 48.9% female. Children under age 5 represent 10.5% of the population, under age 18 equal 25.1% of the population and over age 65 is 16.1% of the population. The median household income is $39,605, per capita income is $19,207. There are a total of 320 housing units with 47.5% owner occupied. Education includes 50.3% of residents that are high school graduates and 6.9% with a bachelor's degree or higher. The average temperature in Lakeville in the summer is 73 degrees, and in the winter 29 degrees.