Colp
- County:
- Williamson County
- County Seat:
- No
- Area (mi²):
- 0.134
- State:
- Illinois
Colp is a village located in Williamson County, Illinois. Colp has a 2026 population of 175. Colp is currently declining at a rate of 0% annually and its population has decreased by -1.69% since the most recent census, which recorded a population of 178 in 2020.
The median age in Colp is 40.7 years: 38.5 years for males, and 49.3 years for females. For every 100 females there are 116.5 males.