Batavia is located in Jefferson county Iowa with a geographic area of 0.6 square miles. The total population in Batavia is 557 with 50.3% male and 49.7% female. Children under age 5 represent 6.6% of the population, under age 18 equal 13.8% of the population and over age 65 is 19.4% of the population. The median household income is $35,865, per capita income is $23,852. There are a total of 285 housing units with 80.4% owner occupied. Education includes 41.4% of residents that are high school graduates and 13.7% with a bachelor's degree or higher. The average temperature in Batavia in the summer is 74 degrees, and in the winter 23 degrees.