Eureka is located in Greenwood county Kansas with a geographic area of 2.3 square miles. The total population in Eureka is 2,217 with 50.1% male and 49.9% female. Children under age 5 represent 5.4% of the population, under age 18 equal 23.2% of the population and over age 65 is 26.3% of the population. The median household income is $34,329, per capita income is $23,023. There are a total of 1,025 housing units with 67.5% owner occupied. Education includes 40.9% of residents that are high school graduates and 16.2% with a bachelor's degree or higher. The average temperature in Eureka in the summer is 78 degrees, and in the winter 32 degrees.
