Monmouth
A city in Warren County, Illinois — population 8,801 as of 2020.
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stops being your city.
Monmouth takes over news, events and the map.
This Afternoon
64°F
Sunny
Tonight
44°F
Clear1% precip
Saturday
68°F
Sunny1% precip
Saturday Night
46°F
Mostly Clear
In and around Monmouth
See & do
- April Zorn Memorial Stadium
- Buster White Park
- Carr House (Monmouth, Illinois)
- Dahl Chapel and Auditorium
- Freedom Roller Rink
Eat, drink & stay
+51 more on the mapMonmouth changes faster than we can keep up.
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Monmouth by the numbers
Population
8,801Population figure, 2020
Households & income
- Area
- 4.24 sq mi (10.99 km²), 0.02 sq mi water
- Median age
- 34.1
- Households
- 3,323
- Persons per household
- 2.3
- Median household income
- $61,138
- Median house value
- $86,800
Municipal office
- Office
- CITY ADMINISTRATOR
- Address
- 100 E BROADWAY, MONMOUTH, IL 61462