Mendon URL: https://knowledge.ivjn.us/en/places/il-mendon.html Mendon is a village in Illinois, United States. ## Overview Mendon is a village in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 942[^geonames]. ## Geography - Coordinates: 40.0884, -91.2838 Updated: 2026-10-29 Relations: - Located in: Adams County https://knowledge.ivjn.us/en/places/il-adams-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip