Brentwood is located in southeast New York. Brentwood is part of Suffolk County. Brentwood has 10.98 square miles of land area and has no water area. As of 2010-2014, the total Brentwood population is 59,436, which has grown 10.24% since 2000. The population growth rate is much higher than the state average rate of 3.26% and is lower than the national average rate of 11.61%. Brentwood median household income is $69,214 in 2010-2014 and has grown by 16.90% since 2000. The income growth rate is much lower than the state average rate of 35.25% and is much lower than the national average rate of 27.36%. Brentwood median house value is $278,500 in 2010-2014 and has grown by 100.36% since 2000. The house value growth rate is higher than the state average rate of 90.79% 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 Brentwood is worse than the state average in quality. The Brentwood area codes are 516, 631.