Hollis is located in southwest Oklahoma. Hollis is part of Harmon County. Hollis has 1.44 square miles of land area and has no water area. As of 2010-2014, the total Hollis population is 2,110, which has shrunk 6.80% since 2000. The population growth rate is much lower than the state average rate of 10.67% and is much lower than the national average rate of 11.61%. Hollis median household income is $28,327 in 2010-2014 and has grown by 45.86% since 2000. The income growth rate is higher than the state average rate of 38.43% and is much higher than the national average rate of 27.36%. Hollis median house value is $42,900 in 2010-2014 and has grown by 58.89% since 2000. The house value growth rate is lower than the state average rate of 62.66% 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 Hollis is better than the state average in quality. The Hollis area code is 580.