Willowbrook is located close to the center of Kansas. Willowbrook is part of Reno County. Willowbrook has 0.31 square miles of land area and has no water area. As of 2010-2014, the total Willowbrook population is 105, which has grown 191.67% since 2000. The population growth rate is much higher than the state average rate of 7.24% and is much higher than the national average rate of 11.61%. Willowbrook median household income is $141,875 in 2010-2014 and has has shrunk by 14.80% since 2000. The income growth rate is much lower than the state average rate of 27.69% and is much lower than the national average rate of 27.36%. Willowbrook median house value is $344,000 in 2010-2014 and has shrunk by -25.09% since 2000. The house value growth rate is much lower than the state average rate of 54.97% and is much lower 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 Willowbrook is much better than the state average in quality.