Guilford is located in south Pennsylvania. Guilford has 1.32 square miles of land area and has no water area. As of 2010-2014, the total Guilford population is 2,257, which has grown 23.00% since 2000. The population growth rate is much higher than the state average rate of 3.89% and is much higher than the national average rate of 11.61%. Guilford median household income is $71,838 in 2010-2014 and has grown by 18.56% since 2000. The income growth rate is much lower than the state average rate of 32.44% and is lower than the national average rate of 27.36%. Guilford median house value is $199,500 in 2010-2014 and has grown by 63.39% since 2000. The house value growth rate is lower than the state average rate of 70.00% and is 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 Guilford is worse than the state average in quality.