Compare towns

Killingly vs Groton vs Northbridge

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 most affordable homes ($289k median).
Groton has the highest household income ($193k).
Northbridge has the oldest population (median age 43.8).

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.

MeasureKillinglyGrotonNorthbridge
People
Population
17,867Highest
11,390Lowest
16,458
Growth since 20102010 → 2020 census —
+6.3%Highest
U.S.: +7.4%
+4%Lowest
U.S.: +7.4%
Median age
39.5±3Lowest
about the U.S. average
41.4±2.7
6% above U.S.
43.8±2.6Highest
13% above U.S.
Northbridge and Groton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3Lowest
U.S.: 22%
28.3%±4.9Highest
U.S.: 22%
21.1%±2.9
U.S.: 22%
Groton and Northbridge are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4Highest
U.S.: 17.2%
17.3%±2.8
U.S.: 17.2%
16.4%±2.1Lowest
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+
22.9%Lowest
U.S.: 35.7%
70.1%Highest
U.S.: 35.7%
36.9%
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9
U.S.: 6.4%
5.6%±1.9Highest
U.S.: 6.4%
4.3%±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
$84,350±$8kLowest
4% above U.S.
$192,958±$27kHighest
139% above U.S.
$111,319±$19k
38% above U.S.
Home valuemedian, owner-occupied
$288,600±$15kLowest
13% below U.S.
$743,400±$46kHighest
123% above U.S.
$448,600±$15k
35% above U.S.
Rentmedian gross, monthly
$1,044±$141Lowest
26% below U.S.
$1,458±$335Highest
3% above U.S.
$1,207±$102
15% below U.S.
Groton and Northbridge 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.
$10,000+Highest
at least 221% above U.S.
$4,821
55% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9Lowest
U.S.: 51.1%
43.8%±17
U.S.: 51.1%
51.2%±9.8Highest
U.S.: 51.1%
Northbridge and Groton 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%
3.8%Lowest
U.S.: 12.5%
7.9%
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%
U.S.: 65.2%
88.8%Highest
U.S.: 65.2%
70.5%Lowest
U.S.: 65.2%
Typical home builtmedian year
1968Lowest
12 yrs older than U.S.
1988Highest
8 yrs newer than U.S.
1973
7 yrs older than U.S.
Getting to work
Average commuteone way
28 minLowest
6% above U.S.
32 minHighest
22% above U.S.
31 min
17% above U.S.
Work from home
11.1%±2.3Lowest
U.S.: 15.1%
27.5%±5.8Highest
U.S.: 15.1%
16.2%±3.6
U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT #39 of 282 in MA #226 of 282 in MA
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Groton-Dunstable Northbridge
High school in town Killingly High School Groton Dunstable Regional Northbridge High
Students per teacherat that high school
11.1
13.7Highest
10.8Lowest
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.