Bethlehem is located in east Pennsylvania. Bethlehem is between the Northampton, Lehigh county. Bethlehem has 19.10 square miles of land area and 0.35 square miles of water area. As of 2010-2014, the total Bethlehem population is 75,050, which has grown 5.22% since 2000. The population growth rate is higher than the state average rate of 3.89% and is much lower than the national average rate of 11.61%. Bethlehem median household income is $46,902 in 2010-2014 and has grown by 30.96% since 2000. The income growth rate is about the same as the state average rate of 32.44% and is higher than the national average rate of 27.36%. Bethlehem median house value is $171,300 in 2010-2014 and has grown by 75.87% since 2000. The house value growth rate is higher than the state average rate of 70.00% and is much 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 Bethlehem is worse than the state average in quality. The Bethlehem area codes are 484, 610.