
Valmeyer
- County:
- Monroe County
- County Seat:
- No
- Area (mi²):
- 3.423
- State:
- Illinois
Valmeyer is a village located in Monroe County, Illinois. Valmeyer has a 2025 population of 1,201. Valmeyer is currently declining at a rate of -0.41% annually and its population has decreased by -2.2% since the most recent census, which recorded a population of 1,228 in 2020.
The average household income in Valmeyer is $107,067 with a poverty rate of 4.6%. The median age in Valmeyer is 44.3 years: 40.9 years for males, and 45 years for females.