Ansonia, Connecticut

Ansonia population, 2020 to 2024

Ansonia added 299 residents from July 2020 to July 2024, a change of +1.6%. In the latest year it moved by +110. Among 21 Connecticut places of 5,000 or more, that growth ranks 15th; the median place changed by +2.6%. The median place of 5,000+ in Connecticut has 55,379 people, so Ansonia is 35% of it.

Ansonia covers 6.02 square miles of land and 0.17 of water, for 3,189 people per square mile of land. The median Connecticut place of 5,000+ has 3,189, so Ansonia is close to the typical town.

What county Ansonia is in

All of Ansonia's residents live in Naugatuck Valley Planning Region, which had 462,220 residents in 2024. Ansonia holds 4.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ansonia

1 ZIP Code Tabulation Area (ZCTA) overlaps Ansonia by at least 10% of the ZCTA's or the city's land: 06401. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Ansonia is

The Census internal point of Ansonia is at 41.344200, -73.069800. Hartford, the capital, is 35.3 miles NE in a straight line. The nearest larger place is Shelton, CT (42,805 people), 4.5 miles away. The nearest city of 100,000 or more is New Haven, CT, 7.8 miles away.

Daylight in Ansonia

At 41.34° N, Ansonia gets about 15 h 10 min of daylight around the June solstice and 9 h 11 min around the December solstice, a swing of 5 h 59 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ansonia

The eight nearest incorporated places of 1,000+ in Connecticut, measured between internal points. The closest is Derby, 1.4 miles away, with 12,915 people.