Waterloo, Illinois | |
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![]() Monroe County Courthouse in the Waterloo Historic District | |
Etymology: Battle of Waterloo | |
Motto(s): "City Conveniences, Rural Advantages" | |
![]() Location in Monroe County, Illinois | |
Coordinates: 38°20′7″N 90°9′10″W / 38.33528°N 90.15278°W | |
Country | United States |
State | Illinois |
County | Monroe |
Precincts | 16, 17, 18, 19, 26, and 27 |
Founded | 1818 |
Chartered as town | 1849 |
Incorporation | 1889[1] |
Government | |
• Mayor | Stan Darter |
Area | |
• Total | 8.31 sq mi (21.53 km2) |
• Land | 8.18 sq mi (21.19 km2) |
• Water | 0.13 sq mi (0.35 km2) |
Elevation | 717 ft (219 m) |
Population | |
• Total | 11,013 |
• Density | 1,351.95/sq mi (522.02/km2) |
Time zone | UTC-6 (CST) |
• Summer (DST) | UTC-5 (CDT) |
ZIP code | 62298 |
Area code | 618 |
FIPS code | 17-79150 |
Wikimedia Commons | Waterloo, Illinois |
Website | www |
Waterloo is a city in and county seat of Monroe County, Illinois, United States. The population was 11,013 at the 2020 census,[3] up from 9,811 in 2010.[4]