Middlefield is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population was 4,217 at the 2020 census. The town includes the village of Rockfall in the northeastern section.

Official town website ↗

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

How Middlefield ranks

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#4Highest graduation rate in CT #25Most conserved land in CT #32Closest to a top hospital in CT All CT rankings →

Town numbers

ZIP code06455

Area code860

Living in Middlefield

Housing in Middlefield

$428K▲ 4.3% in a year Typical home value · Zillow

The typical Middlefield home is worth about $428,000, up 4.3% in a year, 5% below the Connecticut typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Middlefield

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Most working residents leave Middlefield for work: only 8% work in town. The top destinations are Middletown (11%), Hartford (8%) and New Haven (6%). Half commute less than 14 miles.

Middletown

11%

Hartford

New Haven

Meriden

8%Work in townlive and work in Middlefield 14 miWhere do people commute?the commute map 1,641Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Middlefield →

Health in Middlefield

Health Grade A

Healthier than 91% of U.S. towns on seven CDC estimates.

Compared with Connecticut

13better than CT·2worse

of 32 measures CDC estimates. The other 17 are too close to call.

Conditions 2▼ 10 close Habits 2▲ 2 close Care 4▲ 3 close Mind 3▲ 2 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

7.8%Fewer adults facing food insecurityCT 14.9% · better 5.6%Fewer uninsured adultsCT 10% · better 10.5%More adults who have had cancerCT 8.5% · worse

Care nearby

Middlesex HospitalMiddletown · 4 mi · ER

Meri Care Dental CenterMeriden · 4.3 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · Middlefield

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 06455, 06481 · CMS · HRSAHealth in Middlefield →

Natural hazards in Middlefield

High

Expected storm and flood damage is higher than in 60% of U.S. communities.

🌊 Inland flooding🌀 Hurricanes

2Does Middlefield flood?paid flood claims since 1979 MapMiddlefield vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Middlefield →

Climate in Middlefield

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Middlefield has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 19°, and about 39 inches of snow falls in a normal winter.

39° / 21°Winter

59° / 37°Spring

81° / 60°Summer

63° / 43°Fall

How much snow does Middlefield get?About 39 inches a winter.Rain & snow →When is the first frost?Around Oct 16, with the last in spring around Apr 26.Frost dates →Is it warmer than it used to be?+1.9° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Middlefield →

Schools in Middlefield

All Middlefield schools →

B⁺

School Grade B+

The public schools Middlefield’s kids attend, from kindergarten through graduation, outperform 67% of Connecticut’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#65Best public schoolsof 149 in CT

DistrictRegional School District 13Schools3

John Lyman School A-Elementary · Grades 2–3 · 207 students Middlefield Memorial School BElementary · Grades 4–5 · 206 students The Independent Day SchoolElementary · Grades PK–8 · 105 students

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.