Quincy is located in west Illinois. Quincy is part of Adams County. Quincy has 15.91 square miles of land area and 0.04 square miles of water area. As of 2010, the total Quincy population is 40,633, which has grown 0.66% since 2000. The population growth rate is lower than the state average rate of 3.31% and is much lower than the national average rate of 9.71%. Quincy median household income is $39,024 in 2006-2010 and has grown by 26.06% since 2000. The income growth rate is much higher than the state average rate of 13.70% and is higher than the national average rate of 19.17%. Quincy median house value is $91,800 in 2006-2010 and has grown by 30.03% since 2000. The house value growth rate is much lower than the state average rate of 46.64% and is much lower than the national average rate of 50.42%. 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 Quincy is close to the state average in quality. The Quincy area code is 217.
Quincy, IL Map, Border, and Nearby Locations
* Based on the U.S. 2010 Data