Eagle Creek township
- County:
- Gallatin County
- County Seat:
- No
- Area (mi²):
- 36.918
- State:
- Illinois
Eagle Creek township is located in Gallatin County, Illinois. Eagle Creek township has a 2026 population of 166. Eagle Creek township is currently growing at a rate of 0.61% annually but its population has decreased by -3.49% since the most recent census, which recorded a population of 172 in 2020.
The median household income in Eagle Creek township is $86,154 with a poverty rate of 4.55%. The median age in Eagle Creek township is 51.9 years: 61 years for males, and 51.8 years for females. For every 100 females there are 57.1 males.