Waterloo URL: https://knowledge.ivjn.us/en/places/wi-waterloo.html Waterloo is a town in Wisconsin, United States. ## Overview Waterloo is a town in [Wisconsin](https://knowledge.ivjn.us/en/places/wisconsin.html), United States, with a population of about 3,343[^geonames]. ## Geography - Coordinates: 43.1839, -88.9884 Updated: 2026-10-29 Relations: - Located in: Jefferson County https://knowledge.ivjn.us/en/places/wi-jefferson-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip