Diamond URL: https://knowledge.ivjn.us/en/places/il-diamond.html Diamond is a town in Illinois, United States. ## Overview Diamond is a town in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 2,488[^geonames]. ## Geography - Coordinates: 41.2886, -88.2517 Updated: 2026-10-29 Relations: - Located in: Grundy County https://knowledge.ivjn.us/en/places/il-grundy-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip