Oneida is located in northwest Illinois. Oneida is part of Knox County. Oneida has 0.76 square miles of land area and has no water area. As of 2010-2014, the total Oneida population is 813, which has grown 8.11% since 2000. The population growth rate is higher than the state average rate of 3.62% and is lower than the national average rate of 11.61%. Oneida median household income is $56,339 in 2010-2014 and has grown by 41.87% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. Oneida median house value is $73,400 in 2010-2014 and has grown by 18.20% since 2000. The house value growth rate is much lower than the state average rate of 34.33% and is much 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 Oneida is better than the state average in quality. The Oneida area code is 309.