
Greenup
- County:
- Cumberland County
- County Seat:
- No
- Area (mi²):
- 1.75
- State:
- Illinois
Greenup is a village located in Cumberland County, Illinois. Greenup has a 2025 population of 1,325. Greenup is currently declining at a rate of -0.6% annually and its population has decreased by -3.07% since the most recent census, which recorded a population of 1,367 in 2020.
The average household income in Greenup is $61,780 with a poverty rate of 8.3%. The median age in Greenup is 35.6 years: 36.3 years for males, and 35.2 years for females.