Spencer is located close to the center of Wisconsin. Spencer is between the Marathon, Clark, Wood county. Spencer has 2.01 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Spencer population is 1,914, which has shrunk 0.93% since 2000. The population growth rate is much lower than the state average rate of 6.73% and is much lower than the national average rate of 11.61%. Spencer median household income is $54,152 in 2010-2014 and has grown by 33.17% since 2000. The income growth rate is much higher than the state average rate of 20.43% and is higher than the national average rate of 27.36%. Spencer median house value is $101,400 in 2010-2014 and has grown by 37.40% since 2000. The house value growth rate is lower than the state average rate of 47.86% and is 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 Spencer is better than the state average in quality. The Spencer area code is 715.