
Pontiac
- County:
- Livingston County
- County Seat:
- Yes
- Area (mi²):
- 8.407
- State:
- Illinois
Pontiac is a city located in Livingston County, Illinois. Pontiac has a 2025 population of 10,904. It is also the county seat of Livingston County. Pontiac is currently declining at a rate of -0.48% annually and its population has decreased by -2.36% since the most recent census, which recorded a population of 11,168 in 2020.
The average household income in Pontiac is $78,188 with a poverty rate of 9.92%. The median age in Pontiac is 43.4 years: 41 years for males, and 48.1 years for females.