Foster is located in Garvin County. About 246 people live here (as of 2020). Between 2010 and 2020, the population grew from 161 to 246. The region is at 297 meters above sea level. The area covers about 41.5 square kilometers. There are about 14 streets in Foster. The postal codes are 73434. The dialing code is 580. Foster is human settlement in Garvin County, Oklahoma, United States of America.
| Area | 41.5 km² |
| Elevation | 297 m |
| Located in | Garvin County |
| Postal code | 73434 |
| Country | United States |
| Population | 246 |
| Official name | Foster |
| 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 Foster Legend 
Bicycle map Foster Legend 
Pedestrian map Foster Legend