Compare towns

Killingly vs Derby vs Bolton

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 youngest population (median age 39.5).
Derby has the most renters (38.1% rent).
Bolton has the highest household income ($126k).

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.

MeasureKillinglyDerbyBolton
People
Population
17,867Highest
12,487
4,853Lowest
Growth since 20102010 → 2020 census —
-4.5%
CT: +0.9%
—
Median age
39.5±3Lowest
4% below CT
46.4±3.1Highest
13% above CT
43.7±3.3
6% above CT
Derby and Bolton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3
CT: 20.2%
14.6%±2.9Lowest
CT: 20.2%
20%±3.6Highest
CT: 20.2%
Bolton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4Lowest
CT: 18.5%
21.1%±3.9Highest
CT: 18.5%
19.7%±3.4Lowest
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%
35.6%
CT: 42.5%
51.3%Highest
CT: 42.5%
Enrolled in collegeshare of residents
5.4%±1.9Lowest
CT: 7.1%
5.9%±2
CT: 7.1%
7.7%±2.6Highest
CT: 7.1%
Bolton and Derby are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,350±$8k
12% below CT
$79,500±$11kLowest
17% below CT
$126,364±$19kHighest
32% above CT
Home valuemedian, owner-occupied
$288,600±$15k
21% below CT
$256,700±$21kLowest
30% below CT
$367,600±$17kHighest
about the CT average
Rentmedian gross, monthly
$1,044±$141Lowest
30% below CT
$1,452±$95Highest
about the CT average
$1,127±$55
24% below CT
Property taxmedian, yearly
$3,922Lowest
41% below CT
$5,510
17% below CT
$8,091Highest
22% above CT
Renters paying 30%+of income on rent
42.8%±10.9
CT: 52.6%
53.9%±12.6Highest
CT: 52.6%
39.8%±30.8Lowest
CT: 52.6%
Derby and Killingly 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%
10.8%
CT: 10%
7.2%Lowest
CT: 10%
Housing
Homeownersof occupied homes
71.6%
CT: 66.5%
61.9%Lowest
CT: 66.5%
88%Highest
CT: 66.5%
Typical home builtmedian year
1968
1 yr newer than CT
1967Lowest
same as CT
1969Highest
2 yrs newer than CT
Getting to work
Average commuteone way
28 minHighest
5% above CT
27 min
about the CT average
25 minLowest
6% below CT
Work from home
11.1%±2.3Lowest
CT: 16%
15.1%±4.8
CT: 16%
20.7%±4.6Highest
CT: 16%
Bolton 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 #136 of 149 in CT #138 of 149 in CT #79 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Derby School District Bolton School District
High school in town Killingly High School Derby High School Bolton High School
Students per teacherat that high school
11.1Highest
9.7
7.4Lowest
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.