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Haddam

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

What’s happening this week

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What’s happening

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Weather

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Around town

Local news

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Headlines via Google News · Articles belong to their publishers.

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Around town

The places and views that make it Haddam

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Outdoors in Haddam

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

Thirty Mile Island (now Haddam Island) and Haddam Neck1877
From Haddam’s story

Thirty Mile Island (now Haddam Island) and Haddam Neck, 1877

Photo · Wikimedia Commons

Landmark of the day

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James Hazelton House

James Hazelton House

Building · on the Register since 1988

James Hazelton House was added to the National Register of Historic Places on Nov 16, 1988. It is significant for its architecture at the local level.

5 on the National Register · #80 in CTHistoric places →
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Know Haddam

The town at a glance, and the guide to how things work

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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.

Official town website ↗

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.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Haddam

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Most working residents leave Haddam for work: only 7% work in town. The top destinations are Middletown (12%), Hartford (6%) and New Haven (5%). Half commute less than 17 miles.

Middletown
12%
Hartford
6%
New Haven
5%
Chester
3%
Census LEHD 2023 · ACSWork & commute in Haddam →

Health in Haddam

A+

Health Grade A+

Healthier than 95% of U.S. towns on seven CDC estimates.

Compared with Connecticut

15better than CT·2worse

of 32 measures CDC estimates. The other 15 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Middlesex HospitalMiddletown · 7.3 mi · ER
Community Health Center of MiddletownMiddletown · 7.9 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · Haddam
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 06441, 06438, 06424 · CMS · HRSAHealth in Haddam →

Natural hazards in Haddam

61
High

Expected storm and flood damage is higher than in 61% of U.S. communities.

🌊 Inland flooding🌀 Hurricanes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Haddam →

Climate in Haddam

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Haddam has chilly winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 20°.

40° / 22°Winter
59° / 37°Spring
81° / 60°Summer
63° / 43°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Haddam →

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.

Famous people from Haddam

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How things work in Haddam

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01