Compare towns

Devens vs Groton vs Killingly vs Ayer

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

What stands out worked out from the figures below

Devens has the oldest population (median age 48.6).
Groton has the most kids (28.3% under 18).
Killingly has the most affordable homes ($289k median).
Ayer has the most renters (30.8% rent).

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.

MeasureDevensGrotonKillinglyAyer
People
Population
1,723Lowest
11,390
17,867Highest
8,645
Growth since 20102010 → 2020 census
-7.8%Lowest
U.S.: +7.4%
+6.3%
U.S.: +7.4%
—
+14.2%Highest
U.S.: +7.4%
Median age
48.6±4.3Highest
25% above U.S.
41.4±2.7
6% above U.S.
39.5±3
about the U.S. average
39.2±2.8Lowest
about the U.S. average
Kids under 18
5.5%±3.9Lowest
U.S.: 22%
28.3%±4.9Highest
U.S.: 22%
19.8%±2.3
U.S.: 22%
20.3%±3.9
U.S.: 22%
Groton and Ayer are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
14%±5Lowest
U.S.: 17.2%
17.3%±2.8
U.S.: 17.2%
19.7%±2.4Highest
U.S.: 17.2%
14.5%±2.8
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+
21.9%Lowest
U.S.: 35.7%
70.1%Highest
U.S.: 35.7%
22.9%
U.S.: 35.7%
42.3%
U.S.: 35.7%
Enrolled in collegeshare of residents
5.2%±4.2
U.S.: 6.4%
5.6%±1.9Highest
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
4.5%±1.5Lowest
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
$189,250±$63k
134% above U.S.
$192,958±$27kHighest
139% above U.S.
$84,350±$8kLowest
4% above U.S.
$101,875±$15k
26% above U.S.
Groton and Devens are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$556,800±$96k
67% above U.S.
$743,400±$46kHighest
123% above U.S.
$288,600±$15kLowest
13% below U.S.
$463,800±$29k
39% above U.S.
Rentmedian gross, monthly
$1,500±$539Highest
6% above U.S.
$1,458±$335
3% above U.S.
$1,044±$141Lowest
26% below U.S.
$1,415±$180
about the U.S. average
Devens and Groton are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$5,556
78% above U.S.
$10,000+Highest
at least 221% above U.S.
$3,922Lowest
26% above U.S.
$5,057
62% above U.S.
Renters paying 30%+of income on rent
85.4%±64.7Highest
U.S.: 51.1%
43.8%±17
U.S.: 51.1%
42.8%±10.9Lowest
U.S.: 51.1%
45.1%±14.2
U.S.: 51.1%
Devens and Ayer are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
25.3%Highest
U.S.: 12.5%
3.8%Lowest
U.S.: 12.5%
11.4%
U.S.: 12.5%
10.7%
U.S.: 12.5%
Housing
Homeownersof occupied homes
79.3%
U.S.: 65.2%
88.8%Highest
U.S.: 65.2%
71.6%
U.S.: 65.2%
69.2%Lowest
U.S.: 65.2%
Typical home builtmedian year
1950Lowest
30 yrs older than U.S.
1988Highest
8 yrs newer than U.S.
1968
12 yrs older than U.S.
1977
3 yrs older than U.S.
Getting to work
Average commuteone way
28 minLowest
5% above U.S.
32 min
22% above U.S.
28 min
6% above U.S.
33 minHighest
25% above U.S.
Work from home
28.5%±11.5Highest
U.S.: 15.1%
27.5%±5.8
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
21.6%±5.9
U.S.: 15.1%
Devens 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 #113 of 282 in MA
School district — Groton-Dunstable Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Ayer Shirley School District
High school in town — Groton Dunstable Regional Killingly High School Ayer Shirley Regional High School
Students per teacherat that high school —
13.7Highest
11.1Lowest
11.5
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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.