Fayetteville is the second-most populous city in the U.S. state of Arkansas, the county seat of Washington County, and the most populous city in Northwest Arkansas. The city had a population of 93,949 as of the 2020 census, which was estimated to have increased to 101,680 by 2023. The city is on the outskirts of the Boston Mountains, within the Ozarks. It was named after Fayetteville, Tennessee, from which many settlers had come, and was incorporated on November 3, 1836.