Sister cities of Waterloo, Illinois
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Waterloo is a city in Monroe County, Illinois, United States. The population was 9,811 at the 2010 census. It is the county seat of Monroe County.
Content on this page is licensed under CC-BY-SA from the authors of the following Wikipedia pages: List of sister cities in the United States, Waterloo, Illinois. Note that the data on Wikipedia is highly unreliable. In many cases, sister cities are missing or wrongly listed. Some cities also have different levels of partnership. If you find an error, please make a correction on the relevant Wikipedia pages and cite your sources.