Compare towns

Groton vs Killingly vs Thompson

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

What stands out worked out from the figures below

Groton has the most expensive homes ($743k median).
Killingly has the most renters (28.4% rent).
Thompson has the oldest population (median age 54.1).

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.

MeasureGrotonKillinglyThompson
People
Population
11,390
17,867Highest
9,337Lowest
Growth since 20102010 → 2020 census
+6.3%
U.S.: +7.4%
— —
Median age
41.4±2.7
6% above U.S.
39.5±3Lowest
about the U.S. average
54.1±2.2Highest
39% above U.S.
Kids under 18
28.3%±4.9Highest
U.S.: 22%
19.8%±2.3
U.S.: 22%
11.4%±2.8Lowest
U.S.: 22%
Age 65+
17.3%±2.8Lowest
U.S.: 17.2%
19.7%±2.4
U.S.: 17.2%
24.4%±4.3Highest
U.S.: 17.2%
Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
70.1%Highest
U.S.: 35.7%
22.9%
U.S.: 35.7%
21.9%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.6%±1.9Highest
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
2.9%±1.3Lowest
U.S.: 6.4%
Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$192,958±$27kHighest
139% above U.S.
$84,350±$8kLowest
4% above U.S.
$93,629±$18k
16% above U.S.
Home valuemedian, owner-occupied
$743,400±$46kHighest
123% above U.S.
$288,600±$15kLowest
13% below U.S.
$291,900±$24k
12% below U.S.
Rentmedian gross, monthly
$1,458±$335Highest
3% above U.S.
$1,044±$141
26% below U.S.
$1,012±$344Lowest
28% below U.S.
Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$10,000+Highest
at least 221% above U.S.
$3,922
26% above U.S.
$3,822Lowest
23% above U.S.
Renters paying 30%+of income on rent
43.8%±17
U.S.: 51.1%
42.8%±10.9Lowest
U.S.: 51.1%
54%±18.7Highest
U.S.: 51.1%
Thompson and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
3.8%Lowest
U.S.: 12.5%
11.4%Highest
U.S.: 12.5%
5.9%
U.S.: 12.5%
Housing
Homeownersof occupied homes
88.8%Highest
U.S.: 65.2%
71.6%Lowest
U.S.: 65.2%
84.3%
U.S.: 65.2%
Typical home builtmedian year
1988Highest
8 yrs newer than U.S.
1968
12 yrs older than U.S.
1963Lowest
17 yrs older than U.S.
Getting to work
Average commuteone way
32 minHighest
22% above U.S.
28 minLowest
6% above U.S.
32 min
20% above U.S.
Work from home
27.5%±5.8Highest
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
13.1%±4.4
U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading #39 of 282 in MA #136 of 149 in CT #130 of 149 in CT
School district Groton-Dunstable Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Thompson School District
High school in town Groton Dunstable Regional Killingly High School Tourtellotte Memorial High School
Students per teacherat that high school
13.7Highest
11.1
7.9Lowest
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.