06419   Zip Code Killingworth Lower Connecticut River Valley CT United States

City Killingworth
County Lower Connecticut River Valley
State Connecticut
Latitude 41.37923
Longitude -72.57847
Population 6,240
Density 176.68 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $140,655
Median individual: $65,254

Race

Mode: 88.7% White

Gender

 50.0% female 

Rent

No data available.

Age

Median: 53.3 years old

Education

With at least college degree: 55.4%
With STEM degree: 41.6%

Marital Status

 68.4% married 

Never married: 18.7%

Labor Force Participation

 58.4% working 

Unemployed: 3.8%

Average Family Size

 2.82 people 

Commute Time

 23.9 minutes 

Health Care

 2.5% uninsured 

Poverty

 3.0%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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