Waterloo is a city in and county seat of Monroe County, Illinois, United States. The population was 11,013 at the 2020 census, up from 9,811 in 2010.
Midwest
Waterloo
Monroe County, IL
Population
11,012
Walk Score
75 · Very Walkable
Median rent
$849
Median home value
$227,600
Founded
1818
From Wikipedia. Released under CC BY-SA.
On the National Register
Historic districts
- Moore, Capt. James, Farmstead
- Waterloo Historic District · listed 1978
Notable landmarks
- Fountain Creek Bridge · listed 1978
- Peterstown House · listed 1977
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