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Haddam

A town of 8,644 people in Lower Connecticut River Valley Planning Region, Connecticut
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Around town

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Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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About Haddam

Town in Connecticut, United States
1668Established
8,452Population
46.4 sq miArea
322 ftElevation

Haddam is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population was 8,452 at the time of the 2020 census. It is the only town in Connecticut that the Connecticut River runs through the middle of instead of at the town's border edge. The town was also home to the now-decommissioned Connecticut Yankee Nuclear Power Plant.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code06438
Area code860
Living in Haddam

Housing in Haddam

$459K▲ 4.2% in a year Typical home value · Zillow

The typical Haddam home is worth about $459,000, up 4.2% in a year, close to the Connecticut typical home.

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Schools in Haddam

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B+

School Grade B+

The public schools Haddam’s kids attend, from kindergarten through graduation, outperform 71% of Connecticut’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#25Best public schoolsof 149 in CT
DistrictRegional School District 17Schools3

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CT. Ratings are from neighbors.

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Haddam

Connecticut · CT · Lower Connecticut River Valley Planning Region
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01