Middletown URL: https://knowledge.ivjn.us/en/places/de-middletown.html Middletown is a city in Delaware, United States. ## Overview Middletown is a city in [Delaware](https://knowledge.ivjn.us/en/places/delaware.html), United States, with a population of about 20,372[^geonames]. ## Geography - Coordinates: 39.4496, -75.7163 Updated: 2026-10-29 Relations: - Located in: New Castle County https://knowledge.ivjn.us/en/places/de-new-castle-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip