
Kaskaskia
- County:
- Randolph County
- County Seat:
- No
- Area (mi²):
- 0.106
- State:
- Illinois
Kaskaskia is a village located in Randolph County, Illinois. Kaskaskia has a 2025 population of 23. Kaskaskia is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 23 in 2020.
The average household income in Kaskaskia is $108,414 with a poverty rate of 0%. The median age in Kaskaskia is 15.9 years: 41.3 years for males, and 15.7 years for females.