Leonardo is located in northeast New Jersey. Leonardo is part of Monmouth County. Leonardo has 0.59 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Leonardo population is 2,236, which has shrunk 20.79% since 2000. The population growth rate is much lower than the state average rate of 5.47% and is much lower than the national average rate of 11.61%. Leonardo median household income is $62,647 in 2010-2014 and has has shrunk by 2.77% since 2000. The income growth rate is much lower than the state average rate of 30.67% and is much lower than the national average rate of 27.36%. Leonardo median house value is $325,500 in 2010-2014 and has shrunk by -120.38% since 2000. The house value growth rate is higher than the state average rate of 87.30% 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 Leonardo is better than the state average in quality. The Leonardo area code is 732.