Bentonville is a city in and the county seat of Benton County, Arkansas, United States. The city is centrally located in the county with Rogers adjacent to the east. The city proper had a population of 54,164 at the 2020 census, making it the ninth-most populous city in Arkansas. It is one of the four main cities in the three-county Northwest Arkansas metropolitan area, with 546,725 residents in 2020.