| Land Area |
4.394 square miles |
| Density |
2442.3 persons per square mile |
| Persons Per household |
2.19 |
| Latitude |
40°54’43" N |
| Longitude |
-90°38’53” W |
Monmouth is located in Western Illinois. It is in close proximity with:
| Galesburg |
14.62 miles |
| Quad Cities |
41.75 miles |
| Peoria |
57.43 miles |
| St. Louis |
159.80 miles |
| Chicago |
170.25 miles |
| Kansas City |
243.04 miles |
| Indianapolis |
249.51 miles |
Monmouth has 2 major interstates and 2 U.S. highways:
| I-74 |
14,300 traffic count |
16 miles from Monmouth |
| I-80 |
18,900 traffic count |
48 miles from Monmouth |
| U.S. Highway 67 |
5,300 traffic count |
0 miles from Monmouth |
| U.S. Highway 34 |
10,600 traffic count |
0 miles from Monmouth |
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