Brookville is located in southeast New York. Brookville is part of Nassau County. Brookville has 3.94 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Brookville population is 3,518, which has grown 65.48% since 2000. The population growth rate is much higher than the state average rate of 3.26% and is much higher than the national average rate of 11.61%. Brookville median household income is $236,786 in 2010-2014 and has grown by 18.39% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is lower than the national average rate of 27.36%. Brookville median house value is $1,000,001 in 2010-2014 and has grown by 0.00% since 2000. The house value growth rate is lower than the state average rate of 90.79% and is 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 Brookville is much better than the state average in quality.