Hackettstown URL: https://knowledge.ivjn.us/en/places/nj-hackettstown.html Hackettstown is a town in New Jersey, United States. ## Overview Hackettstown is a town in [New Jersey](https://knowledge.ivjn.us/en/places/new-jersey.html), United States, with a population of about 9,579[^geonames]. ## Geography - Coordinates: 40.8540, -74.8291 Updated: 2026-10-29 Relations: - Located in: Warren County https://knowledge.ivjn.us/en/places/nj-warren-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip