Jarrettsville is located close to the center of Maryland. Jarrettsville is part of Harford County. Jarrettsville has 8.64 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Jarrettsville population is 3,408, which has grown 23.66% since 2000. The population growth rate is much higher than the state average rate of 11.16% and is much higher than the national average rate of 11.61%. Jarrettsville median household income is $91,750 in 2010-2014 and has grown by 31.76% since 2000. The income growth rate is lower than the state average rate of 40.25% and is higher than the national average rate of 27.36%. Jarrettsville median house value is $401,800 in 2010-2014 and has grown by 94.58% since 2000. The house value growth rate is about the same as the state average rate of 96.92% 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 Jarrettsville is better than the state average in quality. The Jarrettsville area codes are 410, 443.