Knowles is located in northwest Oklahoma. Knowles is between the Beaver, Harper county. Knowles has 0.18 square miles of land area and has no water area. As of 2010-2014, the total Knowles population is 26, which has shrunk 18.75% 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%. Knowles median household income is $34,688 in 2010-2014 and has grown by 41.11% 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%. Knowles median house value is $103,100 in 2008-2012 and has grown by 358.22% since 2000. The house value growth rate is much higher than the state average rate of 62.66% 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 Knowles is better than the state average in quality.