He was elected as a member of the Parti bleu to the Legislative Assembly of the Province of Canada for Trois-Rivières in an 1865 by-election.
Boucher de Niverville spoke in the Assembly in favour of the Quebec Resolutions in 1865.
After the British North America Act of 1867 was enacted, Boucher de Niverville joined the Conservative Party.
The district of Trois-Rivières elected him to both the House of Commons and the Legislative Assembly of Quebec.
In 1868, he retired from politics and accepted the post of sheriff for the district of Trois-Rivières.