Allendale URL: https://knowledge.ivjn.us/en/places/mi-allendale.html Allendale is a city in Michigan, United States. ## Overview Allendale is a city in [Michigan](https://knowledge.ivjn.us/en/places/michigan.html), United States, with a population of about 17,579[^geonames]. ## Geography - Coordinates: 42.9723, -85.9536 Updated: 2026-10-29 Relations: - Located in: Ottawa County https://knowledge.ivjn.us/en/places/mi-ottawa-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip