François-Marie Savina served in the Hưng Hóa area for 40 years.

The creation of the diocese in present form was declared November 24, 1960.

By 2004, the diocese of Hung Hóa had about 198,000 believers (3.1% of the population), 24 priests and 73 parishes.

Saint Therese of the Child Jesus Cathedral in Trung Son Tay commune (Hà Tây Province) has been assigned as the Cathedral of the diocese.

This article on a Roman Catholic diocese in Vietnam is a stub.