Lannon is located in southeast Wisconsin. Lannon is part of Waukesha County. Lannon has 2.44 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Lannon population is 1,139, which has grown 12.88% since 2000. The population growth rate is much higher than the state average rate of 6.73% and is higher than the national average rate of 11.61%. Lannon median household income is $52,159 in 2010-2014 and has grown by 17.54% since 2000. The income growth rate is lower than the state average rate of 20.43% and is much lower than the national average rate of 27.36%. Lannon median house value is $167,100 in 2010-2014 and has grown by 25.26% since 2000. The house value growth rate is much lower than the state average rate of 47.86% 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 Lannon is much better than the state average in quality. The Lannon area code is 262.