Your complete guide to business transactions in Warren County. College town, county seat, and regional agricultural center.
Monmouth is the county seat of Warren County and home to Monmouth College. The city serves as a regional center for western Illinois with education, healthcare, retail, and agricultural services.
Monmouth College is the major employer and economic driver, bringing students, faculty, and staff to the community. The downtown square features local businesses, and the city serves the surrounding agricultural region.
| Metric | Value |
|---|---|
| Population | 9,180 |
| Total Businesses | 350+ |
| Average Business Sale Price | $125,000 |
| Median Time to Sell | 15 months |
| Top Industries | Retail, Restaurants, Healthcare, Agriculture Services, Professional Services |
| Region | Western Illinois / Warren County |
Monmouth's college presence and regional hub status create opportunities for sellers of various business types.
Monmouth offers very affordable business opportunities for buyers seeking a college town market.
Whether you are selling or buying in Monmouth, the core stages match other Illinois Main Street deals—with local timing driven by leases, licenses, and how deep the local buyer pool is.
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Educational only—not legal or tax advice. Confirm Illinois requirements with counsel and your CPA. About this site.
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