Where is Monmouth, Illinois

Monmouth is a city in western Illinois and the county seat of Warren County. It lies about 65 miles south of the Quad Cities and 40 miles west of Peoria. The city is known for its historic courthouse square, Knox College, and connection to the Underground Railroad. Monmouth also serves as a regional center for agriculture, education, health care, and local commerce.

Location Map of Monmouth, Warren County, Illinois

About Map: The map shows the location of Monmouth in Warren County, in the U.S. state of Illinois.

Monmouth Map, Illinois

Where is Monmouth Located?

Monmouth is a city located in Warren County, Illinois, the United States. It is situated in western Illinois, about 65 miles south of the Quad Cities and about 40 miles west of Peoria. Galesburg is roughly 18 miles east, while Burlington, Iowa, is about 30 miles west across the Mississippi River. Monmouth is positioned near 40.911° North latitude and 90.648° West longitude. The 2020 Census recorded 8,902 residents. The city covers about 4.26 square miles, or 11.03 square kilometers, of land. Monmouth's historic downtown and courthouse square form an important part of the community. Knox College is another major local landmark and has been part of the city since the 19th century. A unique fact about Monmouth is its connection to the Underground Railroad and abolitionist history, including the work of local residents who helped freedom seekers before the Civil War.

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Monmouth City Facts

Distance from Monmouth, IL to Nearby Cities

• Galesburg, IL – 18 miles (29 km)
• Roseville, IL – 13 miles (21 km)
• Abingdon, IL – 22 miles (35 km)
• Burlington, IA – 30 miles (48 km)
• Macomb, IL – 31 miles (50 km)
• Peoria, IL – 40 miles (64 km)
• East Peoria, IL – 41 miles (66 km)
• Muscatine, IA – 48 miles (77 km)
• Kewanee, IL – 32 miles (51 km)
• Quincy, IL – 67 miles (108 km)
• Moline, IL – 57 miles (92 km)
• Rock Island, IL – 59 miles (95 km)
• Davenport, IA – 58 miles (93 km)
• Geneseo, IL – 43 miles (69 km)
• Princeton, IL – 53 miles (85 km)
• Ottumwa, IA – 75 miles (121 km)
• Springfield, IL – 92 miles (148 km)
• Des Moines, IA – 165 miles (266 km)

Top Attractions in Monmouth, IL

• Knox College – A historic liberal arts college founded in 1837 and closely connected with Monmouth's educational and cultural history.
• Warren County Courthouse – A prominent historic courthouse located near the center of Monmouth.
• Monmouth Historic District – A downtown area with historic architecture, local businesses, and buildings dating from the city's early development.
• Maple City Cemetery – A historic cemetery containing graves connected to Monmouth and Warren County history.
• Patton Park – A community park with green space and facilities for recreation and outdoor activities.
• Monmouth-Roseville Rail Trail – A local trail route that provides opportunities for walking and cycling.
• Warren County History Museum – A museum preserving local history, artifacts, photographs, and stories from the county.
• Lake Warren – A nearby recreational area offering fishing, boating, walking, and outdoor activities.

Airports Near Monmouth, IL

• Quad Cities International Airport (MLI) – 58 miles
• Southeast Iowa Regional Airport (BRL) – 34 miles
• General Wayne A. Downing Peoria International Airport (PIA) – 52 miles
• Galesburg Municipal Airport (GBG) – 21 miles
• Macomb Municipal Airport (MQB) – 34 miles

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the official Monmouth city website and local government records.

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