Ansonia
- Population
- 18,525 (2020)
- Type
- City
- Area
- 6.02 sq mi (15.59 km²), 0.17 sq mi water
- Median age
- 38.4
- Households
- 7,504
- Persons per household
- 2.6
- Median household income
- $53,704
- Average house value
- $210,500
- Businesses
- 254
- Employees
- 2,565
- Government
- CITY OF ANSONIA
- Government office
- 253 MAIN ST, ANSONIA, CT 06401