Compare towns

Killingly vs Plainville vs Dedham

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Killingly has the youngest population (median age 39.5).
Plainville has the shortest commute (21 min average).
Dedham has the most expensive homes ($662k median).

What matters to you?

Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.

MeasureKillinglyPlainvilleDedham
People
Population
17,867
17,551Lowest
25,237Highest
Growth since 20102010 → 2020 census — —
+2.6%
U.S.: +7.4%
Median age
39.5±3Lowest
about the U.S. average
44.3±1.5
14% above U.S.
44.6±1.6Highest
15% above U.S.
Dedham and Plainville are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3Highest
U.S.: 22%
15.6%±2.3Lowest
U.S.: 22%
18.6%±1.9
U.S.: 22%
Killingly and Dedham are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4Lowest
U.S.: 17.2%
20.1%±2.8
U.S.: 17.2%
21.9%±2Highest
U.S.: 17.2%
Dedham and Plainville are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.9%Lowest
U.S.: 35.7%
30%
U.S.: 35.7%
55%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9Lowest
U.S.: 6.4%
6.2%±1.6Highest
U.S.: 6.4%
5.6%±1
U.S.: 6.4%
Plainville and Dedham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,350±$8k
4% above U.S.
$84,343±$7kLowest
4% above U.S.
$128,955±$10kHighest
60% above U.S.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$254,000±$14kLowest
24% below U.S.
$661,800±$16kHighest
99% above U.S.
Rentmedian gross, monthly
$1,044±$141Lowest
26% below U.S.
$1,126±$147
20% below U.S.
$2,042±$182Highest
45% above U.S.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$4,798
54% above U.S.
$7,918Highest
154% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9
U.S.: 51.1%
40.3%±12.4Lowest
U.S.: 51.1%
56.4%±10Highest
U.S.: 51.1%
Dedham and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%Highest
U.S.: 12.5%
6.5%
U.S.: 12.5%
5.6%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%
U.S.: 65.2%
67.7%Lowest
U.S.: 65.2%
73.4%Highest
U.S.: 65.2%
Typical home builtmedian year
1968
12 yrs older than U.S.
1971Highest
9 yrs older than U.S.
1956Lowest
24 yrs older than U.S.
Getting to work
Average commuteone way
28 min
6% above U.S.
21 minLowest
20% below U.S.
29 minHighest
11% above U.S.
Work from home
11.1%±2.3
U.S.: 15.1%
10.7%±2Lowest
U.S.: 15.1%
20%±2.7Highest
U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT #89 of 149 in CT #119 of 282 in MA
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Judicial Centers · Plainville School District —
High school in town Killingly High School Plainville High School —
Students per teacherat that high school
11.1Lowest
11.4Highest
—
On TownTapestry
Old photos in History None yet None yet None yet

U.S. average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.