It used to belong to the former Desjardins Regional County Municipality, but decided to join Bellechasse in 2000 when the new city of Lévis was created.

Saint-Henri felt it did not belong with a mostly urban RCM, and would fit better with Bellechasse, which has a largely rural base.

The Etchemin River crosses the municipality and one hydroelectric dam is found in Saint-Henri.

On November 6, 1775, Benedict Arnold is said to have visited the village on his way to attack Quebec City.

The largest local business is Olymel, a meat processing factory.