Donaldsonville is a somewhat small city located in the state of Louisiana. With a population of 6,841 people and three associated neighborhoods, Donaldsonville is the 70th largest community in Louisiana.

As is often the case in a small city, Donaldsonville doesn't have a public transportation system that people use for their commute.

The percentage of people in Donaldsonville with college degrees is quite a bit lower than the national average for cities and towns of 21.84%: just 11.57% of people over 25 have a bachelor's degree or advanced degree.

The per capita income in Donaldsonville in 2022 was $17,871, which is low income relative to Louisiana and the nation. This equates to an annual income of $71,484 for a family of four. However, Donaldsonville contains both very wealthy and poor people as well. Donaldsonville also has one of the higher rates of people living in poverty in the nation, with 47.36% of its population below the federal poverty line.

Donaldsonville is a somewhat ethnically-diverse city. The people who call Donaldsonville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Donaldsonville residents report their race to be Black or African-American, followed by White. Important ancestries of people in Donaldsonville include French, African, Italian, German, and Irish.

The most common language spoken in Donaldsonville is English. Other important languages spoken here include Italian and Vietnamese.