Hahnville, Louisiana

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 29.96694°N, -90.41°W (29.967081, -90.410129).

According to the United States Census Bureau, the CDP has a total area of 8.8 sqmi, of which 7.8 sqmi is land and 1.0 sqmi (11.79%) is water.

History
In the second half of the 19th century, the village of Hahnville was established by Michael Hahn, 19th Governor of Louisiana, near his plantation in St. Charles Parish where he had been living since his retirement in 1872.

Demographics
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
 * Jack Carey, jazz trombonist
 * Mutt Carey – jazz trumpeter
 * Michael Hahn – 19th-century state judge, governor and U.S. representative
 * Mary Ann Vial Lemmon – U.S. federal judge
 * Herb Simpson, Negro league and minor league baseball player