Compare towns

Killingly vs Groton vs Windsor Locks vs Putnam

Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.

What stands out worked out from the figures below

Killingly has the most kids (19.8% under 18).
Groton has the most renters (54.6% rent).
Windsor Locks has the most people working from home (17.7%).
Putnam has the oldest population (median age 43.7).

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.

MeasureKillinglyGrotonWindsor LocksPutnam
People
Population
17,867Highest
9,490
12,579
9,292Lowest
Growth since 20102010 → 2020 census —
-9.6%
CT: +0.9%
— —
Median age
39.5±3
4% below CT
39±3.7Lowest
5% below CT
41.4±2.6
about the CT average
43.7±3Highest
6% above CT
Putnam and Windsor Locks are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3Highest
CT: 20.2%
15.7%±3.5Lowest
CT: 20.2%
18.6%±3.4
CT: 20.2%
18.6%±3.6
CT: 20.2%
Killingly and Windsor Locks are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4Highest
CT: 18.5%
16.2%±2.7Lowest
CT: 18.5%
18.2%±2.7
CT: 18.5%
18.5%±3.1
CT: 18.5%
Killingly and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.9%
CT: 42.5%
38.8%Highest
CT: 42.5%
28.6%
CT: 42.5%
20%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9
CT: 7.1%
4.2%±1.7
CT: 7.1%
5.9%±1.8Highest
CT: 7.1%
3.9%±1.4Lowest
CT: 7.1%
Windsor Locks 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±$8kHighest
12% below CT
$79,577±$8k
17% below CT
$81,205±$13k
15% below CT
$70,561±$7kLowest
26% below CT
Killingly and Windsor Locks are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$306,600±$26kHighest
16% below CT
$258,800±$14kLowest
29% below CT
$269,200±$11k
27% below CT
Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,044±$141Lowest
30% below CT
$1,250±$98
16% below CT
$1,394±$187Highest
6% below CT
$1,149±$44
23% below CT
Windsor Locks and Groton are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$3,922
41% below CT
$4,411Highest
34% below CT
$3,688Lowest
44% below CT
$3,860
42% below CT
Renters paying 30%+of income on rent
42.8%±10.9
CT: 52.6%
46.5%±11.7
CT: 52.6%
58.2%±16.8Highest
CT: 52.6%
37.7%±11.6Lowest
CT: 52.6%
Windsor Locks and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%
CT: 10%
18.6%Highest
CT: 10%
10.9%Lowest
CT: 10%
11.5%
CT: 10%
Housing
Homeownersof occupied homes
71.6%
CT: 66.5%
45.4%Lowest
CT: 66.5%
77.1%Highest
CT: 66.5%
59.8%
CT: 66.5%
Typical home builtmedian year
1968
1 yr newer than CT
1971Highest
4 yrs newer than CT
1961Lowest
6 yrs older than CT
1961Lowest
6 yrs older than CT
Getting to work
Average commuteone way
28 minHighest
5% above CT
18 minLowest
34% below CT
22 min
17% below CT
25 min
6% below CT
Work from home
11.1%±2.3
CT: 16%
4.8%±2Lowest
CT: 16%
17.7%±3.7Highest
CT: 16%
9%±2.8
CT: 16%
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT — #109 of 149 in CT #128 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS — Windsor Locks School District Putnam School District
High school in town Killingly High School — Windsor Locks High School Putnam High School
Students per teacherat that high school
11.1Highest
—
8.9Lowest
9.5
On TownTapestry
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CT 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.