Ansonia URL: https://knowledge.ivjn.us/en/places/ct-ansonia.html Ansonia is a city in Connecticut, United States. ## Overview Ansonia is a city in [Connecticut](https://knowledge.ivjn.us/en/places/connecticut.html), United States, with a population of about 18,854[^geonames]. ## Geography - Coordinates: 41.3462, -73.0790 Updated: 2026-10-29 Relations: - Located in: Naugatuck Valley Planning Region https://knowledge.ivjn.us/en/places/ct-naugatuck-valley-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip