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 2026 population of 1,347. Greenup is currently growing at a rate of 0.22% annually but its population has decreased by -1.46% since the most recent census, which recorded a population of 1,367 in 2020.
The median household income in Greenup is $51,417 with a poverty rate of 9.2%. The median age in Greenup is 35.8 years: 37.6 years for males, and 35.3 years for females. For every 100 females there are 74.0 males.