
West Frankfort
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 4.984
- State:
- Illinois
West Frankfort is a city located in Franklin County, Illinois. West Frankfort has a 2025 population of 7,073. West Frankfort is currently declining at a rate of -0.51% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 7,253 in 2020.
The average household income in West Frankfort is $59,623 with a poverty rate of 25.23%. The median age in West Frankfort is 39.9 years: 39.2 years for males, and 41.3 years for females.