
Plum Valley
- County:
- Will County
- County Seat:
- No
- Area (mi²):
- 1.868
- State:
- Illinois
Plum Valley is a CDP located in Will County, Illinois. Plum Valley has a 2025 population of 506. Plum Valley is currently growing at a rate of 7.2% annually and its population has increased by 33.51% since the most recent census, which recorded a population of 379 in 2020.
The average household income in Plum Valley is $172,398 with a poverty rate of 1.48%. The median age in Plum Valley is 47.1 years: 47.2 years for males, and 45.9 years for females.