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zipcodes.pro — CITY/CT/KILLINGWORTH

Killingworth ZIP code, Connecticut

The ZIP code for Killingworth, CT is 06419, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
6,240
Area codes
860, 959

Killingworth in numbers

About 6,240 people live in Killingworth, in 2,516 households. The median household income is $140,655 a year, 47% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $446,200 (22% above the Connecticut median).

Population6,240Killingworth6,240
Households2,516Killingworth2,516
Median household income$140,655Killingworth$140,655Connecticut$95,781US $80,734
Median home value$446,200Killingworth$446,200Connecticut$366,900US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Killingworth. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Killingworth

ZIP codes with the USPS city name Killingworth
ZIP City Type Population Median income Median home
06419 Killingworth , CT Standard 6,240 $140,655 $446,200

Map of Killingworth ZIP codes

06419

The ZIP codes of Killingworth, CT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Killingworth

The nearest larger towns are Middletown (47,958 people, 13 mi), Wallingford Center (18,208 people, 13 mi) and Branford Center (6,305 people, 14 mi).

Towns near Killingworth
TownPopulationDistance
Clinton 3,465 7.2 mi
Durham 3,347 8.5 mi
Westbrook Center 2,501 9.5 mi
Essex Village 2,705 9.7 mi
Northford 6,186 10.7 mi
Middletown 47,958 12.7 mi
Wallingford Center 18,208 13.5 mi
Branford Center 6,305 14.0 mi
Portland 5,944 14.2 mi
North Haven 24,336 14.4 mi
East Hampton 3,347 14.6 mi
East Haven 27,806 15.6 mi
Meriden 60,545 15.8 mi
Lake Pocotopaug 4,875 16.2 mi

More nearby: every ZIP code in Middlesex County · Connecticut ZIP codes

Cite this page

zipcodes.pro. “Killingworth, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/killingworth

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