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Connecticut›Windham County

DayvilleCT

With 452 residents, this town was settled in 1950.

Is Dayville a good place to live?

Of the 156 Connecticut towns we compare, none has a lower share of working residents who work in town than Dayville. The biggest park or preserve is Owen Bell Park, at 50 acres. Dayville has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

What makes Dayville stand out

Where Dayville beats most towns.

Small town

452 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Getting set up

Moving to Dayville: who provides what

Dayville is unincorporated, so Windham County and regional agencies provide most services.

PowerEversource28.9¢/kWh · EIA 2025HIFLD · EIA
WaterCtwc - Crystal SystemNo health-based violations in 5 years · EPAEPA
Internet6 providers99% of addresses get 100/20 MbpsFCC
Trash & county servicesWindham CountyWindham County provides services here
SchoolsKillingly School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn Connecticut you can register online until 18 days before Election Day, in person up to and including Election Day, or by mail (postmarked 18 days before).vote.gov
Who runs elections hereKillingly Town ClerkTown of Killingly; contacts on the Handbook page.FVAP, Jun 2019
ZIP code0624106241 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 30, 2026.

The data

Ordered by what stands out in Dayville.

Work & commute

Dayville has 3.9 jobs for every working resident, and 1,102 people commute in

The top destinations are Killingly (23%), Putnam (8%) and Plainfield (4%). Just 2% of Dayville’s working residents have a job in town. Jobs in the town fell by 316 from 2013 to 2023, to 1,107. 2.4% of residents live below the poverty line locally.

2%work in town
DayvilleConnecticut townsU.S. towns
Median household income$67,000$109,000$80,000
Below the poverty line2.4%5.8%9.6%
Average trip to work30 minutes27 minutes25 minutes

Where working residents work

In Dayville2%
Killingly23%
Putnam8%
Plainfield4%
Norwich2%
19 mi
median commute distance
1,107
jobs based in Dayville
A job hub
jobs vs. working residents

Census LEHD 2023 · ACS

Climate

Snowy winters and pleasant summers in Dayville

The range runs from 18° on a January night to 83° on a July afternoon, with about 62 inches of snow a winter.

62″snow a winter

Typical low → high °F

Winter20–39°
Spring36–58°
Summer59–81°
Fall42–63°
Oct 19
typical first frost
Apr 25
typical last frost
+1.8°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Natural hazards

Top of a high hazard risk in Dayville: inland flooding

Of the losses FEMA expects in Dayville, 74% come from inland flooding and 18% from hurricanes. FEMA expects more storm and flood damage locally than in 67% of U.S. communities.

67risk score of 100
FEMA risk score
67High riskLowerHigher
Inland floodingHurricanes

FEMA National Risk Index · OpenFEMA

Outdoors

Conserved land covers 14.6% of Dayville

In Dayville, the trail network density is 1.0 miles per square mile, where Connecticut’s towns sit at 1.3 and U.S. towns at 0.4. Trails run 0.9 miles in 2 parks and preserves.

14.6%conserved
14.6%
conserved · 86 of 593 acres
0.9 mi
of trails · 1 per sq mi
Biggest places to walkTrailsAcres
1. Owen Bell Park0.6 mi50
2. Cat Hollow Town Park—5

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

Health

A larger share of adults have high blood pressure in Dayville than in most of Connecticut or the rest of the country

Among adults in Dayville, 15% report frequent physical distress. Just over one in ten adults have diabetes locally, above the Connecticut town median (9.4%) and near the median of U.S. towns (12%). Only 10 of the 155 Connecticut towns we compare have a higher share of adults who get no exercise outside work than Dayville.

DayvilleConnecticut townsU.S. towns
Get no exercise (CDC PLACES)30%22%25%
Sleep under 7 hours (CDC PLACES)39%33%36%
Frequent physical distress (CDC PLACES)15%12%14%
High blood pressure (CDC PLACES)38%33%35%
32 measures vs. Connecticut
0 better19 too close to call13 worse
What stands outDayvilleCT
More older adults who have lost all their teeth18.7%9.8%
More smokers15%10.6%
More adults with COPD7.9%5.6%
Day Kimball Hospital
4.7 mi away · emergency room
None
primary care, dental or mental-health shortage

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

0
homes sold in September

Zillow Home Value Index · Redfin Data Center

Nearby attractions

Lake Chaubunagungamaug and 105 more within 40 miles

Museums, parks, gardens and other places to visit around Dayville. Close and well known come first.

All 289 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Lake Chaubunagungamaug: Bree from Worcester, MA, USA, CC BY-SA 2.0 · Gillette Stadium: Bernard Gagnon, CC BY-SA 3.0 · The Breakers: UpstateNYer, CC BY-SA 3.0 · HMS Endeavour: Samuel Atkins (c.1760-1810), Public domain · USS Massachusetts: USN, Public domain · Marble House: [email protected], Public domain

Keep exploring

Everything we know about Dayville

16pages on Dayville
After high school

Colleges nearby

1 within 15 miles of the center of Dayville

A job hub

Every workday, about 1,102 people come to Dayville for work

Where Dayville’s working residents go each day. Line width shows the share.

23% → Killingly Killingly 23% 8% → Putnam Putnam 8% 4% → Plainfield Plainfield 4% 2% → Norwich Norwich 2% 2% → Worcester Worcester 2% 2% → Montville Montville 2% Dayville · 2% stay
1,107jobs based in Dayville
2%of working residents work in town
19 mimedian commute distance

Census LEHD 2023

Questions about Dayville

Short answers, built from the data on this page.

Is Dayville, CT a good place to live?

Dayville has fewer than 1,000 residents, too few for fair grades; the figures below are still real.