
Pecatonica
- County:
- Winnebago County
- County Seat:
- No
- Area (mi²):
- 1.283
- State:
- Illinois
Pecatonica is a village located in Winnebago County, Illinois. Pecatonica has a 2025 population of 2,016. Pecatonica is currently declining at a rate of -0.64% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 2,080 in 2020.
The average household income in Pecatonica is $86,078 with a poverty rate of 6.58%. The median age in Pecatonica is 40.7 years: 35.4 years for males, and 48.1 years for females.