Mill Creek
- County:
- Pulaski County
- County Seat:
- No
- Area (mi²):
- 0.376
- State:
- Illinois
Mill Creek is a village located in Pulaski County, Illinois. Mill Creek has a 2026 population of 56. Mill Creek is currently declining at a rate of 0% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 58 in 2020.
The median household income in Mill Creek is $151,250 with a poverty rate of 29.73%. The median age in Mill Creek is 57.8 years: 50.5 years for males, and 61.3 years for females. For every 100 females there are 184.6 males.