Tillar
- County:
- Desha County
- County Seat:
- No
- Area (mi²):
- 0.785
- State:
- Arkansas
Tillar is a city located in Desha County, Arkansas. Tillar has a 2026 population of 158. Tillar is currently declining at a rate of -0.63% annually and its population has decreased by -4.24% since the most recent census, which recorded a population of 165 in 2020.