
Trout Valley
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 0.428
- State:
- Illinois
Trout Valley is a village located in Lake County, Illinois. Trout Valley has a 2025 population of 505. Trout Valley is currently declining at a rate of -0.39% annually and its population has decreased by -1.75% since the most recent census, which recorded a population of 514 in 2020.
The average household income in Trout Valley is $227,298 with a poverty rate of 2.74%. The median age in Trout Valley is 52.3 years: 55.7 years for males, and 46.3 years for females.