Keo
- County:
- Lonoke County
- County Seat:
- No
- Area (mi²):
- 4.923
- State:
- Arkansas
Keo is a town located in Lonoke County, Arkansas. Keo has a 2026 population of 202. Keo is currently declining at a rate of -0.49% annually and its population has decreased by -1.46% since the most recent census, which recorded a population of 205 in 2020.