Harvey
- County:
- Cook County
- County Seat:
- No
- Area (mi²):
- 6.206
- State:
- Illinois
Harvey is a city located in Cook County, Illinois. Harvey has a 2026 population of 19,781. Harvey is currently growing at a rate of 1.2% annually but its population has decreased by -2.3% since the most recent census, which recorded a population of 20,246 in 2020.