Miramichi River Valley residents are able to cast votes in the rural community's elections. The community is within the federal electoral district of Miramichi-Grand Lake, and within the provincial electoral district of Southwest Miramichi-Bay du Vin.
The mayors of Blackville[2] during its time as an incorporated village from 1967 to 2022 included:
Miramichi River Valley's economy was once tied to the forest industry. A large sawmill that employed 200 workers had been operated in the village by industrial conglomerate UPM Kymmene, but it closed in 2007 as a result of economic pressures.
Miramichi River Valley is home to a single financial institution, Blackville Credit Union. It is the oldest of its kind in New Brunswick.[citation needed]
Blackville School, grades K - 12, is a public school in the community. This is the only grade school in Miramichi River Valley, with students occasionally transporting to other Miramichi schools instead (Such as Miramichi Valley High School).