Eureka is located in northwest California. Eureka is part of Humboldt County. Eureka has 9.38 square miles of land area and 5.07 square miles of water area. As of 2010-2014, the total Eureka population is 27,039, which has grown 3.49% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Eureka median household income is $38,007 in 2010-2014 and has grown by 47.03% since 2000. The income growth rate is much higher than the state average rate of 29.47% and is much higher than the national average rate of 27.36%. Eureka median house value is $240,900 in 2010-2014 and has grown by 111.32% since 2000. The house value growth rate is higher than the state average rate of 75.60% and is much 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 better than the state average in quality. The Eureka area code is 707.