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Zip Code 06226 — Willimantic, CT

06226 is a ZIP Code associated with Willimantic, CT, located within Southeastern Connecticut. The postal region supports an estimated population of 19,344 residents across Data Pending housing units, with a population density of 1,041.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.708160, -72.207310)

Data Metric	Local Statistic
Postal / Zip Code	06226
Primary City	Willimantic
State / Province	CT
County	Southeastern Connecticut
Total Population	19,344
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	1,041.9 people/sq mi
Timezone	America/New_York

How 06226 Compares

Metric	ZIP 06226	Southeastern Connecticut County	CT State Average
Population	19,344	281,371	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	1,041.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06266	South Windham	3.2 mi	222	N/A
Zip 06256	North Windham	3.3 mi	1,704	N/A
Zip 06280	Windham	3.7 mi	3,110	N/A
Zip 06250	Mansfield Center	4.6 mi	5,437	N/A
Zip 06237	Columbia	5.2 mi	5,300	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →