Mullen is located close to the center of Nebraska. Mullen is part of Hooker County. Mullen has 0.47 square miles of land area and has no water area. As of 2010-2014, the total Mullen population is 398, which has shrunk 18.94% since 2000. The population growth rate is much lower than the state average rate of 8.44% and is much lower than the national average rate of 11.61%. Mullen median household income is $36,000 in 2010-2014 and has grown by 33.39% since 2000. The income growth rate is about the same as the state average rate of 33.50% and is higher than the national average rate of 27.36%. Mullen median house value is $61,300 in 2010-2014 and has grown by 65.23% since 2000. The house value growth rate is higher than the state average rate of 47.84% 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 Mullen is better than the state average in quality. The Mullen area code is 308.