Riverdale is located close to the center of Nebraska. Riverdale is part of Buffalo County. Riverdale has 0.26 square miles of land area and has no water area. As of 2010-2014, the total Riverdale population is 159, which has shrunk 25.35% since 2000. The population growth rate is much lower than the state average rate of 8.44% and is much lower than the national average rate of 11.61%. Riverdale median household income is $54,219 in 2010-2014 and has grown by 22.18% since 2000. The income growth rate is much lower than the state average rate of 33.50% and is lower than the national average rate of 27.36%. Riverdale median house value is $121,400 in 2010-2014 and has grown by 80.92% since 2000. The house value growth rate is much higher than the state average rate of 47.84% 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 Riverdale is better than the state average in quality. The Riverdale area code is 308.