The community is not part of an incorporated municipality, but is administered by a local services board.[2]
Armstrong is accessible via Highway 527, which extends 235 kilometres (146 mi) north from Highway 11/17 near Thunder Bay. It takes about three hours to get to Armstrong by car from Thunder Bay.
According to the Canada 2016 Census, the community had a population of 193, down from 220 in 2011, a decrease of 12.3%. There are 186 dwellings of which 84 are occupied by usual residents.[3]
Canadian Forces Station Armstrong, located 1.1 miles (1.8 km) east of Armstrong, was closed in 1974. Later that year the base was sold to private owners and turned into a popular gathering area for the town that included a restaurant and bar, hotel, multiple apartments, garages, and a curling rink. The area, known as D&L, was closed and abandoned in 1993 and remains that way today.
The town of Armstrong currently has a public school, two restaurants, a Canada Post post office, a clinic, a Mini Mart gas station and motel, and the Armstrong General store (formally J&J General store 1961–2015).
Armstrong Airport is located 4.5 nautical miles (8.3 kilometres; 5.2 miles) east southeast of Armstrong.
