Compare towns

Windsor Locks vs Derby vs Killingly

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

What stands out worked out from the figures below

Windsor Locks has the shortest commute (22 min average).
Derby has the most renters (38.1% rent).
Killingly has the most expensive homes ($289k median).

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.

MeasureWindsor LocksDerbyKillingly
People
Population
12,579
12,487Lowest
17,867Highest
Growth since 20102010 → 2020 census —
-4.5%
CT: +0.9%
—
Median age
41.4±2.6
about the CT average
46.4±3.1Highest
13% above CT
39.5±3Lowest
4% below CT
Derby and Windsor Locks are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
18.6%±3.4
CT: 20.2%
14.6%±2.9Lowest
CT: 20.2%
19.8%±2.3Highest
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+
18.2%±2.7Lowest
CT: 18.5%
21.1%±3.9Highest
CT: 18.5%
19.7%±2.4
CT: 18.5%
Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
28.6%
CT: 42.5%
35.6%Highest
CT: 42.5%
22.9%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
5.9%±1.8Highest
CT: 7.1%
5.9%±2Highest
CT: 7.1%
5.4%±1.9Lowest
CT: 7.1%
Cost of living
Household incomemedian
$81,205±$13k
15% below CT
$79,500±$11kLowest
17% below CT
$84,350±$8kHighest
12% 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
$258,800±$14k
29% below CT
$256,700±$21kLowest
30% below CT
$288,600±$15kHighest
21% below CT
Rentmedian gross, monthly
$1,394±$187
6% below CT
$1,452±$95Highest
about the CT average
$1,044±$141Lowest
30% below CT
Derby and Windsor Locks are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$3,688Lowest
44% below CT
$5,510Highest
17% below CT
$3,922
41% below CT
Renters paying 30%+of income on rent
58.2%±16.8Highest
CT: 52.6%
53.9%±12.6
CT: 52.6%
42.8%±10.9Lowest
CT: 52.6%
Windsor Locks and Derby are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
10.9%
CT: 10%
10.8%Lowest
CT: 10%
11.4%Highest
CT: 10%
Housing
Homeownersof occupied homes
77.1%Highest
CT: 66.5%
61.9%Lowest
CT: 66.5%
71.6%
CT: 66.5%
Typical home builtmedian year
1961Lowest
6 yrs older than CT
1967
same as CT
1968Highest
1 yr newer than CT
Getting to work
Average commuteone way
22 minLowest
17% below CT
27 min
about the CT average
28 minHighest
5% above CT
Work from home
17.7%±3.7Highest
CT: 16%
15.1%±4.8
CT: 16%
11.1%±2.3Lowest
CT: 16%
Windsor Locks and Derby 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 #109 of 149 in CT #138 of 149 in CT #136 of 149 in CT
School district Windsor Locks School District Derby School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS
High school in town Windsor Locks High School Derby High School Killingly High School
Students per teacherat that high school
8.9Lowest
9.7
11.1Highest
On TownTapestry
Old photos in History None yet None yet None yet

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.