Killingworth
Town in Lower Connecticut River Valley Planning Region, Connecticut

Killingworth is a town in Lower Connecticut River Valley Planning Region, Connecticut, with 6,174 residents (2020 Census). It sits at 390 ft (119 m) above sea level. The nearest town is Madison, 3.2 miles SW.
- 6,174residents (2020 Census)
- 390 ftelevation · 119 m
- 35.3 sq miland area · 91.5 km²
- 175 / sq mipopulation density
- 06419main ZIP code (2 in total)
About Killingworth
Killingworth is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population was 6,174 at the 2020 United States census.
Text: Wikipedia · CC BY-SA 4.0
Killingworth weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Killingworth
Webcams: Windy.com
Living in Killingworth
- Median household income
- $140,655
- Median home value
- $446,200
- Median age
- 53.3
Do you know Killingworth? Tell us about it
Help other travelers: share what makes Killingworth special. We review every message before publishing it.
Map of Killingworth
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Killingworth Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Killingworth, CT population
Killingworth had 6,174 residents in the 2020 Census.
| 2020 Census | 6,174 |
|---|---|
| Density | 175 per sq mi (67 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Killingworth at a glance
| State | Connecticut (CT) |
|---|---|
| County | Lower Connecticut River Valley Planning Region |
| Type | Town |
| Population | 6,174 (2020) |
| Land area | 35.33 sq mi (91.5 km²) |
| Water area | 0.45 sq mi (1.17 km²) |
| Elevation | 390 ft (119 m) |
| Coordinates | 41.3744° N, 72.5783° W |
| ZIP codes | 06419, 06443 |
| Official website | killingworthct.com |
| Census code (GEOID) | 0913040710 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Killingworth
- Madison3.2 mi SW
- Deep River5.3 mi E
- Chester5.4 mi NE
- Clinton6.0 mi SE
- Chester Center6.6 mi E
- Madison Center6.6 mi S
- Guilford7.1 mi W
- Westbrook7.1 mi SE
- Deep River Center7.5 mi E
- Haddam7.5 mi N
- Higganum8.1 mi N
- Guilford Center8.2 mi SW
Straight-line distance between town centers.
Frequently asked questions about Killingworth
What county is Killingworth in?
Killingworth is in Lower Connecticut River Valley Planning Region, Connecticut.
What is the population of Killingworth, CT?
6,174 people lived in Killingworth at the 2020 Census.
What is the ZIP code of Killingworth, CT?
The main ZIP code is 06419. Other ZIP codes: 06443.
What is the elevation of Killingworth?
390 feet (119 m) above sea level.
What towns are near Killingworth?
Madison (3.2 mi), Deep River (5.3 mi), Chester (5.4 mi), Clinton (6.0 mi), Chester Center (6.6 mi).
Last updated: