Donaldsonville is a city located in Louisiana. With a 2020 population of 8,423, it is the 43rd largest city in Louisiana and the 3477th largest city in the United States. Donaldsonville is currently growing at a rate of 0.85% annually and its population has increased by 13.27% since the most recent census, which recorded a population of 7,436 in 2010. Spanning over 4 miles, Donaldsonville has a population density of 2,223 people per square mile.
The average household income in Donaldsonville is $45,031 with a poverty rate of 39.38%. The median rental costs in recent years comes to $617 per month, and the median house value is $110,800. The median age in Donaldsonville is 36.4 years, 30.4 years for males, and 43.4 years for females. For every 100 females there are 85.8 males.