Donaldsonville is a somewhat small city located in the state of Louisiana. With a population of 6,945 people and three associated neighborhoods, Donaldsonville is the 70th largest community in Louisiana.

Donaldsonville real estate is some of the most expensive in Louisiana, although Donaldsonville house values don't compare to the most expensive real estate in the U.S.

In terms of college education, the citizens of Donaldsonville rank slightly lower than the national average. 14.17% of adults 25 and older in Donaldsonville have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.

The per capita income in Donaldsonville in 2022 was $19,998, which is low income relative to Louisiana and the nation. This equates to an annual income of $79,992 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 44.84% 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 English.

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