Brooklyn is located in southwest Illinois. Brooklyn is part of Saint Clair County. Brooklyn has 0.83 square miles of land area and has no water area. As of 2010-2014, the total Brooklyn population is 807, which has grown 19.38% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. Brooklyn median household income is $14,432 in 2010-2014 and has has shrunk by 13.22% since 2000. The income growth rate is much lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Brooklyn median house value is $42,500 in 2010-2014 and has shrunk by -37.10% since 2000. The house value growth rate is higher than the state average rate of 34.33% 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 Brooklyn is worse than the state average in quality.