Ansonia Flag

Ansonia

County Seat:
No
Area (mi²):
6.019
State:
Connecticut

Ansonia is a city located in Naugatuck Valley Planning Region, Connecticut. Ansonia has a 2026 population of 19,195. Ansonia is currently growing at a rate of 0.58% annually and its population has increased by 1.58% since the most recent census, which recorded a population of 18,896 in 2020.

19.2K
Total Population
3,189
Density (mi²)
110 0.58%
Growth

Nearby Cities

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)