Walnut Ridge
- County:
- Lawrence County
- County Seat:
- Yes
- Area (mi²):
- 16.696
- State:
- Arkansas
Walnut Ridge is a city located in Lawrence County, Arkansas. Walnut Ridge has a 2026 population of 5,508. It is also the county seat of Lawrence County. Walnut Ridge is currently growing at a rate of 1.06% annually and its population has increased by 1.96% since the most recent census, which recorded a population of 5,402 in 2020.