Garrison is located close to the center of Maryland. Garrison is part of Baltimore County. Garrison has 3.16 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Garrison population is 8,139, which has grown 2.13% since 2000. The population growth rate is much lower than the state average rate of 11.16% and is much lower than the national average rate of 11.61%. Garrison median household income is $74,819 in 2010-2014 and has grown by 32.38% 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%. Garrison median house value is $258,700 in 2010-2014 and has grown by 107.62% since 2000. The house value growth rate is higher than 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 Garrison is close to the state average in quality.