Compare towns

Killingly vs Killingworth vs Plainville vs Seymour

Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.

What stands out worked out from the figures below

Killingly has the youngest population (median age 39.5).
Killingworth has the most people working from home (24%).
Plainville has the most affordable homes ($254k 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.

MeasureKillinglyKillingworthPlainvilleSeymour
People
Population
17,867Highest
6,240Lowest
17,551
16,889
Median age
39.5±3Lowest
4% below CT
53.3±4.6Highest
30% above CT
44.3±1.5
8% above CT
41.6±3
about the CT average
Kids under 18
19.8%±2.3Highest
CT: 20.2%
18.7%±4.6
CT: 20.2%
15.6%±2.3Lowest
CT: 20.2%
19.3%±3.9
CT: 20.2%
Killingly and Seymour are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4
CT: 18.5%
25.5%±4.9Highest
CT: 18.5%
20.1%±2.8
CT: 18.5%
16.8%±2.4Lowest
CT: 18.5%
Killingworth 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
CT: 42.5%
55.4%Highest
CT: 42.5%
30%
CT: 42.5%
33.3%
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9
CT: 7.1%
3.2%±1.5Lowest
CT: 7.1%
6.2%±1.6
CT: 7.1%
6.4%±2.1Highest
CT: 7.1%
Seymour and Plainville 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
12% below CT
$140,655±$16kHighest
47% above CT
$84,343±$7kLowest
12% below CT
$107,708±$15k
12% above CT
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$446,200±$56kHighest
22% above CT
$254,000±$14kLowest
31% below CT
$370,000±$19k
about the CT average
Rentmedian gross, monthly
$1,044±$141Lowest
30% below CT
—
$1,126±$147
24% below CT
$1,608±$86Highest
8% above CT
Property taxmedian, yearly
$3,922Lowest
41% below CT
$6,550
about the CT average
$4,798
28% below CT
$6,635Highest
about the CT average
Renters paying 30%+of income on rent
42.8%±10.9
CT: 52.6%
45.2%±15.8Highest
CT: 52.6%
40.3%±12.4Lowest
CT: 52.6%
45.2%±17.3Highest
CT: 52.6%
Below poverty line
11.4%Highest
CT: 10%
3%Lowest
CT: 10%
6.5%
CT: 10%
6.7%
CT: 10%
Housing
Homeownersof occupied homes
71.6%
CT: 66.5%
96.7%Highest
CT: 66.5%
67.7%Lowest
CT: 66.5%
74.2%
CT: 66.5%
Typical home builtmedian year
1968Lowest
1 yr newer than CT
1987Highest
20 yrs newer than CT
1971
4 yrs newer than CT
1973
6 yrs newer than CT
Getting to work
Average commuteone way
28 min
5% above CT
24 min
10% below CT
21 minLowest
20% below CT
32 minHighest
21% above CT
Work from home
11.1%±2.3
CT: 16%
24%±6.8Highest
CT: 16%
10.7%±2Lowest
CT: 16%
16.4%±3.5
CT: 16%
Killingworth and Seymour are within the Census margin of error here, so we can’t say which is really higher.
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT #29 of 149 in CT #89 of 149 in CT #105 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Regional School District 17 Judicial Centers · Plainville School District Seymour School District
High school in town Killingly High School None in town Plainville High School Seymour High School
Students per teacherat that high school
11.1Lowest
—
11.4
11.8Highest
On TownTapestry
Old photos in History None yet None yet None yet None yet

CT 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.