Petersburg is located in east Nebraska. Petersburg is between the Boone, Antelope county. Petersburg has 0.37 square miles of land area and has no water area. As of 2010-2014, the total Petersburg population is 355, which has shrunk 5.08% 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%. Petersburg median household income is $44,063 in 2010-2014 and has grown by 48.42% since 2000. The income growth rate is higher than the state average rate of 33.50% and is much higher than the national average rate of 27.36%. Petersburg median house value is $53,100 in 2010-2014 and has grown by 39.01% since 2000. The house value growth rate is lower than the state average rate of 47.84% and is lower 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 Petersburg is better than the state average in quality. The Petersburg area code is 402.