The City of Cavalier was founded in 1875 and became the Pembina County seat in 1911. Cavalier was named for Charles Cavileer who was an early settler in Pembina County. Cavalier was incorporated in 1902, but has had a post office in operation since 1877.
Cavalier is the largest city in Pembina County with a population of 1,302 as of the 2010 census.
Cavalier is the home of many events every year including the Cavalier Motorcycle Ride-in (nicknamed “Little Sturgis of the North”), Off the Charts music festival, and Music & art in the Park.