Warren
- County:
- Macomb County
- County Seat:
- No
- Area (mi²):
- 34.377
- State:
- Michigan
Warren is a city located in Macomb County, Michigan. Warren has a 2026 population of 137,686. Warren is currently growing at a rate of 0.39% annually but its population has decreased by -1.09% since the most recent census, which recorded a population of 139,208 in 2020.