Fayetteville
- County:
- Washington County
- County Seat:
- Yes
- Area (mi²):
- 54.755
- State:
- Arkansas
Fayetteville is a city located in Washington County, Arkansas. Fayetteville has a 2026 population of 103,134. It is also the county seat of Washington County. Fayetteville is currently growing at a rate of 1.6% annually and its population has increased by 8.81% since the most recent census, which recorded a population of 94,784 in 2020.