Peconic is located in southeast New York. Peconic is part of Suffolk County. Peconic has 3.38 square miles of land area and 0.13 square miles of water area. As of 2010-2014, the total Peconic population is 452, which has shrunk 58.19% since 2000. The population growth rate is much lower than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Peconic median household income is $73,750 in 2010-2014 and has grown by 40.83% since 2000. The income growth rate is higher than the state average rate of 35.25% and is higher than the national average rate of 27.36%. Peconic median house value is $545,800 in 2010-2014 and has grown by 106.74% 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 Peconic is better than the state average in quality. The Peconic area code is 631.