Hahnville is a census-designated place (CDP) in and the parish seat of St. Charles Parish, Louisiana, United States. The population was 2,792 at the 2000 census and 2,959 in 2020. For information on the origin of Hahnville, see Michael Hahn (1830–1886).
Geography
Hahnville is located at (29.967081, -90.410129).
According to the United States Census Bureau, the CDP has a total area of , of which is land and (11.79%) is water.
Demographics
2020 census
As of the 2020 United States census, there were 2,959 people, 1,354 households, and 897 families residing in the CDP.
Education
St. Charles Parish Public School System operates public schools:
Hahnville High School in Boutte, on the west bank of the Mississippi River.
Notable people
LaRon Byrd – NFL wide receiver
Mutt Carey – American jazz trumpeter
Michael Hahn – 19th-century State Judge, Governor and U.S. Representative
Mary Ann Vial Lemmon – Federal judge
Herb Simpson, Negro league and minor league baseball player