Donaldsonville is located in southeast Louisiana. Donaldsonville is part of Ascension County. Donaldsonville has 3.79 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Donaldsonville population is 7,507, which has shrunk 1.29% since 2000. The population growth rate is lower than the state average rate of 2.96% and is much lower than the national average rate of 11.61%. Donaldsonville median household income is $33,963 in 2010-2014 and has grown by 41.02% since 2000. The income growth rate is higher than the state average rate of 38.15% and is higher than the national average rate of 27.36%. Donaldsonville median house value is $119,600 in 2010-2014 and has grown by 68.21% since 2000. The house value growth rate is about the same as the state average rate of 65.18% 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 Donaldsonville is much better than the state average in quality. The Donaldsonville area code is 225.