Walker is located in Linn County. About 688 people live here (as of 2020). Between 2010 and 2020, the population declined from 791 to 688. The region is at 274 meters above sea level. The area covers about 2.0 square kilometers. There are about 49 streets in Walker. The postal codes are 52352. Walker is city in Iowa.
| Area | 2.0 km² |
| Elevation | 274 m |
| Located in | Linn County |
| Postal code | 52352 |
| Country | United States |
| Population | 688 |
| Official name | Walker |
| 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 Walker Legend 
Bicycle map Walker Legend 
Pedestrian map Walker Legend