Monmouth
A city in Warren County, Illinois — population 8,801 as of 2020.
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This Afternoon
81°F
Sunny1% precip
Tonight
58°F
Clear
Sunday
78°F
Sunny
Sunday Night
57°F
Partly Cloudy
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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