Eureka is located in east Missouri. Eureka is between the Saint Louis, Jefferson county. Eureka has 10.35 square miles of land area and 0.10 square miles of water area. As of 2010-2014, the total Eureka population is 10,375, which has grown 35.16% since 2000. The population growth rate is much higher than the state average rate of 7.74% and is much higher than the national average rate of 11.61%. Eureka median household income is $82,596 in 2010-2014 and has grown by 11.16% since 2000. The income growth rate is much lower than the state average rate of 25.91% and is much lower than the national average rate of 27.36%. Eureka median house value is $220,000 in 2010-2014 and has grown by 55.48% since 2000. The house value growth rate is higher than the state average rate of 52.06% and is higher 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 636.