Derby
URL: https://knowledge.ivjn.us/en/places/ct-derby.html

Derby is a city in Connecticut, United States.

## Overview

Derby is a city in [Connecticut](https://knowledge.ivjn.us/en/places/connecticut.html), United States, with a population of about 12,700[^geonames].

## Geography

- Coordinates: 41.3207, -73.0890

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