Rockbridge is located in southwest Illinois. Rockbridge is between the Greene, Jersey county. Rockbridge has 0.74 square miles of land area and has no water area. As of 2010-2014, the total Rockbridge population is 195, which has grown 3.17% since 2000. The population growth rate is about the same as the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Rockbridge median household income is $42,344 in 2010-2014 and has grown by 33.72% since 2000. The income growth rate is higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Rockbridge median house value is $49,100 in 2010-2014 and has grown by 67.01% since 2000. The house value growth rate is much higher than the state average rate of 34.33% 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 Rockbridge is close to the state average in quality. The Rockbridge area code is 618.