Waterbury, Connecticut

Waterbury population, 2020 to 2024

Waterbury added 2,019 residents from July 2020 to July 2024, a change of +1.8%. In the latest year it moved by +620. Among 21 Connecticut places of 5,000 or more, that growth ranks 14th; the median place changed by +2.6%. The median place of 5,000+ in Connecticut has 55,379 people, so Waterbury is 2.1 times that size.

Waterbury covers 28.56 square miles of land and 0.42 of water, for 4,058 people per square mile of land. The median Connecticut place of 5,000+ has 3,189, so Waterbury is denser than the typical town.

What county Waterbury is in

All of Waterbury's residents live in Naugatuck Valley Planning Region, which had 462,220 residents in 2024. Waterbury holds 25.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Waterbury

6 ZIP Code Tabulation Areas (ZCTAs) overlap Waterbury by at least 10% of the ZCTA's or the city's land: 06702, 06704, 06705, 06706, 06708, 06710. 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 Waterbury is

The Census internal point of Waterbury is at 41.558500, -73.036700. Hartford, the capital, is 23.2 miles NE in a straight line. The nearest larger place is New Haven, CT (137,562 people), 18.1 miles away. The ground at the internal point is about 107 m (351 ft) above sea level.

Daylight in Waterbury

At 41.56° N, Waterbury gets about 15 h 12 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 02 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Waterbury daylight page.

Places near Waterbury

The eight nearest incorporated places of 1,000+ in Connecticut, measured between internal points. The closest is Naugatuck, 4.9 miles away, with 32,116 people.