
Trilla
- County:
- Coles County
- County Seat:
- No
- Area (mi²):
- 0.193
- State:
- Illinois
Trilla is a CDP located in Coles County, Illinois. Trilla has a 2025 population of 160. Trilla is currently growing at a rate of 7.38% annually but its population has decreased by -52.66% since the most recent census, which recorded a population of 338 in 2020.
The average household income in Trilla is $101,906 with a poverty rate of 0%. The median age in Trilla is 26.5 years: 26.6 years for males, and 5.9 years for females.