Compare towns

Groton vs Killingly vs Ayer vs Shirley

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 affordable homes ($289k median).
Ayer has the most renters (30.8% rent).
Shirley has the oldest population (median age 44.3).

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.

MeasureGrotonKillinglyAyerShirley
People
Population
11,390
17,867Highest
8,645
6,976Lowest
Growth since 20102010 → 2020 census
+6.3%
U.S.: +7.4%
—
+14.2%Highest
U.S.: +7.4%
+3.1%Lowest
U.S.: +7.4%
Median age
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
44.3±3.4Highest
14% above U.S.
Shirley 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%±2.3
U.S.: 22%
20.3%±3.9
U.S.: 22%
16.4%±4.2Lowest
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+
17.3%±2.8
U.S.: 17.2%
19.7%±2.4
U.S.: 17.2%
14.5%±2.8Lowest
U.S.: 17.2%
19.8%±5.1Highest
U.S.: 17.2%
Shirley 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%Lowest
U.S.: 35.7%
42.3%
U.S.: 35.7%
36.7%
U.S.: 35.7%
Enrolled in collegeshare of residents
5.6%±1.9
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
4.5%±1.5Lowest
U.S.: 6.4%
5.7%±2.2Highest
U.S.: 6.4%
Shirley and Groton 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.
$101,875±$15k
26% above U.S.
$122,365±$16k
52% above U.S.
Home valuemedian, owner-occupied
$743,400±$46kHighest
123% above U.S.
$288,600±$15kLowest
13% below U.S.
$463,800±$29k
39% above U.S.
$427,600±$36k
29% above U.S.
Rentmedian gross, monthly
$1,458±$335
3% above U.S.
$1,044±$141Lowest
26% below U.S.
$1,415±$180
about the U.S. average
$1,481±$421Highest
5% above U.S.
Shirley and Groton 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.
$3,922Lowest
26% above U.S.
$5,057
62% above U.S.
$5,156
65% 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%
45.1%±14.2
U.S.: 51.1%
57.1%±21.8Highest
U.S.: 51.1%
Shirley and Ayer 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%
10.7%
U.S.: 12.5%
9.9%
U.S.: 12.5%
Housing
Homeownersof occupied homes
88.8%Highest
U.S.: 65.2%
71.6%
U.S.: 65.2%
69.2%Lowest
U.S.: 65.2%
77.4%
U.S.: 65.2%
Typical home builtmedian year
1988Highest
8 yrs newer than U.S.
1968Lowest
12 yrs older than U.S.
1977
3 yrs older than U.S.
1984
4 yrs newer than U.S.
Getting to work
Average commuteone way
32 min
22% above U.S.
28 minLowest
6% above U.S.
33 min
25% above U.S.
40 minHighest
53% above U.S.
Work from home
27.5%±5.8Highest
U.S.: 15.1%
11.1%±2.3Lowest
U.S.: 15.1%
21.6%±5.9
U.S.: 15.1%
21%±7.8
U.S.: 15.1%
Groton and Ayer 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 #239 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 Ayer Shirley School District
High school in town Groton Dunstable Regional Killingly High School Ayer Shirley Regional High School None in town
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.