Compare towns

Killingly vs Suffield vs Derby vs Windsor Locks

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).
Suffield has the highest household income ($119k).
Derby has the most renters (38.1% rent).
Windsor Locks has the shortest commute (22 min average).

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.

MeasureKillinglySuffieldDerbyWindsor Locks
People
Population
17,867Highest
15,702
12,487Lowest
12,579
Growth since 20102010 → 2020 census — —
-4.5%
CT: +0.9%
—
Median age
39.5±3Lowest
4% below CT
44.5±1.7
8% above CT
46.4±3.1Highest
13% above CT
41.4±2.6
about the CT average
Derby and Suffield 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%
16.2%±2
CT: 20.2%
14.6%±2.9Lowest
CT: 20.2%
18.6%±3.4
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%±2.4
CT: 18.5%
18.4%±2.2
CT: 18.5%
21.1%±3.9Highest
CT: 18.5%
18.2%±2.7Lowest
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+
22.9%Lowest
CT: 42.5%
40.4%Highest
CT: 42.5%
35.6%
CT: 42.5%
28.6%
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9
CT: 7.1%
4.4%±1.2Lowest
CT: 7.1%
5.9%±2Highest
CT: 7.1%
5.9%±1.8Highest
CT: 7.1%
Cost of living
Household incomemedian
$84,350±$8k
12% below CT
$119,472±$13kHighest
25% above CT
$79,500±$11kLowest
17% below CT
$81,205±$13k
15% below CT
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$407,500±$26kHighest
11% above CT
$256,700±$21kLowest
30% below CT
$258,800±$14k
29% below CT
Rentmedian gross, monthly
$1,044±$141Lowest
30% below CT
$1,424±$141
4% below CT
$1,452±$95Highest
about the CT average
$1,394±$187
6% below CT
Derby and Suffield 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
$6,456Highest
about the CT average
$5,510
17% below CT
$3,688Lowest
44% below CT
Renters paying 30%+of income on rent
42.8%±10.9Lowest
CT: 52.6%
51%±4.6
CT: 52.6%
53.9%±12.6
CT: 52.6%
58.2%±16.8Highest
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
11.4%Highest
CT: 10%
4.6%Lowest
CT: 10%
10.8%
CT: 10%
10.9%
CT: 10%
Housing
Homeownersof occupied homes
71.6%
CT: 66.5%
86.7%Highest
CT: 66.5%
61.9%Lowest
CT: 66.5%
77.1%
CT: 66.5%
Typical home builtmedian year
1968
1 yr newer than CT
1979Highest
12 yrs newer than CT
1967
same as CT
1961Lowest
6 yrs older than CT
Getting to work
Average commuteone way
28 minHighest
5% above CT
26 min
3% below CT
27 min
about the CT average
22 minLowest
17% below CT
Work from home
11.1%±2.3Lowest
CT: 16%
18.4%±4.1Highest
CT: 16%
15.1%±4.8
CT: 16%
17.7%±3.7
CT: 16%
Suffield and Windsor Locks 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 #136 of 149 in CT #57 of 149 in CT #138 of 149 in CT #109 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Suffield School District Derby School District Windsor Locks School District
High school in town Killingly High School Suffield High School Derby High School Windsor Locks High School
Students per teacherat that high school
11.1Highest
10.9
9.7
8.9Lowest
On TownTapestry
Old photos in History None yet 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.