Collinwood is located in southwest Tennessee. Collinwood is part of Wayne County. Collinwood has 2.82 square miles of land area and has no water area. As of 2010-2014, the total Collinwood population is 941, which has shrunk 8.11% since 2000. The population growth rate is much lower than the state average rate of 13.40% and is much lower than the national average rate of 11.61%. Collinwood median household income is $32,059 in 2010-2014 and has grown by 43.73% since 2000. The income growth rate is much higher than the state average rate of 22.72% and is much higher than the national average rate of 27.36%. Collinwood median house value is $75,800 in 2010-2014 and has grown by 48.92% since 2000. The house value growth rate is about the same as the state average rate of 50.43% and is about the same as 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 Collinwood is much better than the state average in quality. The Collinwood area code is 931.