
West Marion precinct
- County:
- Williamson County
- County Seat:
- No
- Area (mi²):
- 34.488
- State:
- Illinois
West Marion precinct is located in Williamson County, Illinois. West Marion precinct has a 2025 population of 11,630. West Marion precinct is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in West Marion precinct is $82,001 with a poverty rate of 13.83%. The median age in West Marion precinct is 40.5 years: 40 years for males, and 41.4 years for females.