Duncombe is located in Webster County. About 381 people live here (as of 2020). Between 2010 and 2020, the population declined from 410 to 381. The region is at 338 meters above sea level. The area covers about 5.2 square kilometers. There are about 24 streets in Duncombe. The postal codes are 50532. Duncombe is city in Webster County, Iowa, United States.
| Area | 5.2 km² |
| Elevation | 338 m |
| Located in | Webster County |
| Postal code | 50532 |
| Country | United States |
| Population | 381 |
| Official name | Duncombe |
| 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 Duncombe Legend 
Bicycle map Duncombe Legend 
Pedestrian map Duncombe Legend