
Olivet
- County:
- Vermilion County
- County Seat:
- No
- Area (mi²):
- 1.507
- State:
- Illinois
Olivet is a CDP located in Vermilion County, Illinois. Olivet has a 2025 population of 93. Olivet is currently declining at a rate of -19.13% annually and its population has decreased by -75.78% since the most recent census, which recorded a population of 384 in 2020.
The average household income in Olivet is $101,374 with a poverty rate of 14.86%. The median age in Olivet is 37.5 years: 29 years for males, and 65 years for females.