Dover
- County:
- Bureau County
- County Seat:
- No
- Area (mi²):
- 0.272
- State:
- Illinois
Dover is a village located in Bureau County, Illinois. Dover has a 2026 population of 133. Dover is currently declining at a rate of -0.75% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 136 in 2020.