Belknap is located in Johnson County. About 88 people live here (as of 2020). Between 2010 and 2020, the population declined from 104 to 88. The region is at 123 meters above sea level. There are about 16 streets in Belknap. The postal codes are 62908. Belknap is village in Johnson County, Illinois, United States.
| Area | 1.1 |
| Elevation | 123 m |
| Located in | Johnson County |
| Postal code | 62908 |
| Country | United States |
| Population | 88 |
| Official name | Belknap |
| 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 Belknap Legend 
Bicycle map Belknap Legend 
Pedestrian map Belknap Legend