Compare towns

Killingly vs Groton vs Coventry vs Plainfield

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

What stands out worked out from the figures below

Groton has the most renters (54.6% rent).
Coventry has the most people working from home (15.6%).
Plainfield has the most affordable homes ($272k 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.

MeasureKillinglyGrotonCoventryPlainfield
People
Population
17,867Highest
9,490Lowest
12,326
15,141
Growth since 20102010 → 2020 census —
-9.6%
CT: +0.9%
— —
Median age
39.5±3
4% below CT
39±3.7
5% below CT
45.4±3.8Highest
10% above CT
37±4.5Lowest
10% below CT
Coventry and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3
CT: 20.2%
15.7%±3.5Lowest
CT: 20.2%
20.9%±3.2Highest
CT: 20.2%
19.4%±2.6
CT: 20.2%
Coventry and Killingly 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%
16.2%±2.7Lowest
CT: 18.5%
20.2%±3.3Highest
CT: 18.5%
16.6%±2.4
CT: 18.5%
Coventry and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.9%
CT: 42.5%
38.8%
CT: 42.5%
45%Highest
CT: 42.5%
15%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9
CT: 7.1%
4.2%±1.7Lowest
CT: 7.1%
4.3%±2
CT: 7.1%
5.6%±1.8Highest
CT: 7.1%
Plainfield and Killingly 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
$79,577±$8k
17% below CT
$108,213±$5kHighest
13% above CT
$76,993±$8kLowest
20% below CT
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$306,600±$26k
16% below CT
$330,000±$23kHighest
10% below CT
$272,100±$16kLowest
26% below CT
Coventry and Groton are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,044±$141Lowest
30% below CT
$1,250±$98Highest
16% below CT
$1,232±$330
17% below CT
$1,204±$70
19% below CT
Groton and Coventry are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$3,922Lowest
41% below CT
$4,411
34% below CT
$5,284Highest
20% below CT
$4,209
37% below CT
Renters paying 30%+of income on rent
42.8%±10.9
CT: 52.6%
46.5%±11.7
CT: 52.6%
62.7%±23.8Highest
CT: 52.6%
39.8%±9.5Lowest
CT: 52.6%
Coventry and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%
CT: 10%
18.6%Highest
CT: 10%
5.1%Lowest
CT: 10%
8.7%
CT: 10%
Housing
Homeownersof occupied homes
71.6%
CT: 66.5%
45.4%Lowest
CT: 66.5%
90.7%Highest
CT: 66.5%
73.6%
CT: 66.5%
Typical home builtmedian year
1968
1 yr newer than CT
1971Highest
4 yrs newer than CT
1966Lowest
1 yr older than CT
1971Highest
4 yrs newer than CT
Getting to work
Average commuteone way
28 minHighest
5% above CT
18 minLowest
34% below CT
27 min
about the CT average
27 min
about the CT average
Work from home
11.1%±2.3
CT: 16%
4.8%±2Lowest
CT: 16%
15.6%±4.6Highest
CT: 16%
10%±4
CT: 16%
Coventry and Killingly 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 — #41 of 149 in CT #131 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS — Coventry School District Plainfield School District
High school in town Killingly High School — Coventry High School Plainfield High School
Students per teacherat that high school
11.1Highest
—
9.9Lowest
10.3
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.