Winnfield is located in northwest Louisiana. Winnfield is part of Winn County. Winnfield has 3.64 square miles of land area and has no water area. As of 2010-2014, the total Winnfield population is 4,725, which has shrunk 17.81% since 2000. The population growth rate is much lower than the state average rate of 2.96% and is much lower than the national average rate of 11.61%. Winnfield median household income is $24,976 in 2010-2014 and has grown by 29.13% since 2000. The income growth rate is lower than the state average rate of 38.15% and is higher than the national average rate of 27.36%. Winnfield median house value is $75,200 in 2010-2014 and has grown by 71.69% since 2000. The house value growth rate is higher than the state average rate of 65.18% 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 Winnfield is better than the state average in quality. The Winnfield area code is 318.