Compare towns

Groton vs Killingly vs Southborough

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 kids (28.3% under 18).
Killingly has the most affordable homes ($289k median).
Southborough has the most people working from home (31%).

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.

MeasureGrotonKillinglySouthborough
People
Population
11,390
17,867Highest
10,493Lowest
Growth since 20102010 → 2020 census
+6.3%Lowest
U.S.: +7.4%
—
+7%Highest
U.S.: +7.4%
Median age
41.4±2.7
6% above U.S.
39.5±3Lowest
about the U.S. average
43.6±1.7Highest
12% above U.S.
Southborough and Groton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
28.3%±4.9Highest
U.S.: 22%
19.8%±2.3Lowest
U.S.: 22%
27%±4.2
U.S.: 22%
Groton and Southborough are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
17.3%±2.8
U.S.: 17.2%
19.7%±2.4Highest
U.S.: 17.2%
13.8%±2Lowest
U.S.: 17.2%
Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
70.1%
U.S.: 35.7%
22.9%Lowest
U.S.: 35.7%
76.2%Highest
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%
3.7%±1Lowest
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±$27k
139% above U.S.
$84,350±$8kLowest
4% above U.S.
$196,808±$16kHighest
144% above U.S.
Southborough and Groton are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$743,400±$46k
123% above U.S.
$288,600±$15kLowest
13% below U.S.
$821,100±$51kHighest
147% above U.S.
Southborough and Groton are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,458±$335
3% above U.S.
$1,044±$141Lowest
26% below U.S.
$2,496±$309Highest
77% above U.S.
Property taxmedian, yearly
$10,000+Highest
at least 221% above U.S.
$3,922Lowest
26% above U.S.
$10,000+Highest
at least 221% above U.S.
Renters paying 30%+of income on rent
43.8%±17Highest
U.S.: 51.1%
42.8%±10.9
U.S.: 51.1%
32%±15Lowest
U.S.: 51.1%
Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
3.8%
U.S.: 12.5%
11.4%Highest
U.S.: 12.5%
3.7%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
88.8%Highest
U.S.: 65.2%
71.6%Lowest
U.S.: 65.2%
88.2%
U.S.: 65.2%
Typical home builtmedian year
1988Highest
8 yrs newer than U.S.
1968Lowest
12 yrs older than U.S.
1981
1 yr newer than U.S.
Getting to work
Average commuteone way
32 minHighest
22% above U.S.
28 minLowest
6% above U.S.
32 min
21% above U.S.
Work from home
27.5%±5.8
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
31%±4.2Highest
U.S.: 15.1%
Southborough and Groton 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 #39 of 282 in MA #136 of 149 in CT #8 of 282 in MA
School district Groton-Dunstable Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Southborough
High school in town Groton Dunstable Regional Killingly High School None in town
Students per teacherat that high school
13.7Highest
11.1Lowest
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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.