That's inflation. Inflation is when a certain form of currency starts to have less value over time. Mainly two things cause it: people's perception of value, and the economic principle of supply and demand.
Homefacts City Report. Emmaus is located in Lehigh County, PA. The population is 11,268, making Emmaus the 4th largest city in Lehigh County. There are 4 public schools in Emmaus with an average Homefacts rating of A-. The total crime rate for Emmaus is low, and there are 11 registered sex offenders residing in the city.
Bird In Hand is located in southeast Pennsylvania. Bird In Hand is part of Lancaster County. Bird In Hand has 0.62 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Bird In Hand population is 493. Bird In Hand median household income is $49,148 in 2010-2014.