Deer Grove
- County:
- Whiteside County
- County Seat:
- No
- Area (mi²):
- 0.411
- State:
- Illinois
Deer Grove is a village located in Whiteside County, Illinois. Deer Grove has a 2026 population of 39. Deer Grove is currently growing at a rate of 5.41% annually and its population has increased by 8.33% since the most recent census, which recorded a population of 36 in 2020.
The median household income in Deer Grove is $76,607 with a poverty rate of 11.11%. The median age in Deer Grove is 63 years: 65 years for males, and 59.5 years for females. For every 100 females there are 100.0 males.