Eureka is located in east Kansas. Eureka is between the Greenwood, Butler county. Eureka has 2.28 square miles of land area and has no water area. As of 2010-2014, the total Eureka population is 2,449, which has shrunk 15.96% since 2000. The population growth rate is much lower than the state average rate of 7.24% and is much lower than the national average rate of 11.61%. Eureka median household income is $37,579 in 2010-2014 and has grown by 42.29% since 2000. The income growth rate is much higher than the state average rate of 27.69% and is much higher than the national average rate of 27.36%. Eureka median house value is $54,000 in 2010-2014 and has grown by 44.39% since 2000. The house value growth rate is lower than the state average rate of 54.97% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Eureka is much better than the state average in quality. The Eureka area code is 620.