Tarkio is located in Atchison County. About 1,506 people live here (as of 2020). Between 2010 and 2020, the population declined from 1,583 to 1,506. The region is at 283 meters above sea level. The area covers about 3.6 square kilometers. There are about 64 streets in Tarkio. The region was founded in 1880. The postal codes are 64491. The dialing code is 660. Tarkio is city in Atchison County, Missouri, United States.
| Year built | 1880 |
| Area | 3.6 km² |
| Elevation | 283 m |
| Located in | Atchison County |
| Postal code | 64491 |
| Country | United States |
| Population | 1506 |
| Official name | Tarkio |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Tarkio Legend 
Bicycle map Tarkio Legend 
Pedestrian map Tarkio Legend