Derby Flag

Derby

County Seat:
No
Area (mi²):
5.056
State:
Connecticut

Derby is a city located in Naugatuck Valley Planning Region, Connecticut. Derby has a 2025 population of 13,065 . Derby is currently growing at a rate of 1.16% annually and its population has increased by 6.12% since the most recent census, which recorded a population of 12,312 in 2020.

The average household income in Derby is $92,848 with a poverty rate of 9.25%. The median age in Derby is 46.3 years: 46.5 years for males, and 46.2 years for females. For every 100 females there are 89.5 males.

13.1K
Total Population
2,584
Density (mi²)
150 1.16%
Growth

Derby Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)