Compare towns

Killingly vs Griswold vs Plympton

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).
Griswold has the most affordable homes ($276k median).
Plympton has the most expensive homes ($518k 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.

MeasureKillinglyGriswoldPlympton
People
Population
17,867Highest
11,530
2,935Lowest
Growth since 20102010 → 2020 census — —
+3.9%
U.S.: +7.4%
Median age
39.5±3Lowest
about the U.S. average
48.1±3.9Highest
24% above U.S.
46.4±4.2
19% above U.S.
Griswold and Plympton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3
U.S.: 22%
18.5%±3.7Lowest
U.S.: 22%
21.6%±5Highest
U.S.: 22%
Plympton 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
U.S.: 17.2%
17.8%±3.5Lowest
U.S.: 17.2%
22.7%±5Highest
U.S.: 17.2%
Plympton 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%
U.S.: 35.7%
19.9%Lowest
U.S.: 35.7%
38.4%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9Highest
U.S.: 6.4%
1.8%±1.1Lowest
U.S.: 6.4%
3.2%±1.8
U.S.: 6.4%
Killingly and Plympton 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.
$78,719±$11kLowest
about the U.S. average
$126,736±$20kHighest
57% above U.S.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$275,900±$42kLowest
17% below U.S.
$517,800±$52kHighest
56% above U.S.
Rentmedian gross, monthly
$1,044±$141
26% below U.S.
$1,177±$65Highest
17% below U.S.
$555±$148Lowest
61% below U.S.
Griswold and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$4,628
48% above U.S.
$6,628Highest
113% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9Lowest
U.S.: 51.1%
57.5%±15.5Highest
U.S.: 51.1%
50.8%±40.6
U.S.: 51.1%
Griswold and Plympton 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%
7.6%Lowest
U.S.: 12.5%
10.3%
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%Lowest
U.S.: 65.2%
73.3%
U.S.: 65.2%
93.1%Highest
U.S.: 65.2%
Typical home builtmedian year
1968Lowest
12 yrs older than U.S.
1977
3 yrs older than U.S.
1981Highest
1 yr newer than U.S.
Getting to work
Average commuteone way
28 minLowest
6% above U.S.
31 min
17% above U.S.
33 minHighest
25% above U.S.
Work from home
11.1%±2.3
U.S.: 15.1%
9%±3.6Lowest
U.S.: 15.1%
19.3%±6Highest
U.S.: 15.1%
Plympton 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 #118 of 149 in CT #110 of 282 in MA
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Griswold School District Plympton
High school in town Killingly High School Griswold High School None in town
Students per teacherat that high school
11.1Lowest
11.5Highest
—
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.