Compare towns

Derby vs Groton

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

What stands out worked out from the figures below

Derby has the most people working from home (15.1%).
Groton has the shortest commute (18 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.

MeasureDerbyGroton
People
Population
12,487Highest
9,490Lowest
Growth since 20102010 → 2020 census
-4.5%Highest
CT: +0.9%
-9.6%Lowest
CT: +0.9%
Median age
46.4±3.1Highest
13% above CT
39±3.7Lowest
5% below CT
Kids under 18
14.6%±2.9Lowest
CT: 20.2%
15.7%±3.5Highest
CT: 20.2%
Groton and Derby are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.1%±3.9Highest
CT: 18.5%
16.2%±2.7Lowest
CT: 18.5%
Derby and Groton are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
35.6%Lowest
CT: 42.5%
38.8%Highest
CT: 42.5%
Enrolled in collegeshare of residents
5.9%±2Highest
CT: 7.1%
4.2%±1.7Lowest
CT: 7.1%
Derby and Groton are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$79,500±$11kLowest
17% below CT
$79,577±$8kHighest
17% below CT
Groton and Derby are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$256,700±$21kLowest
30% below CT
$306,600±$26kHighest
16% below CT
Rentmedian gross, monthly
$1,452±$95Highest
about the CT average
$1,250±$98Lowest
16% below CT
Property taxmedian, yearly
$5,510Highest
17% below CT
$4,411Lowest
34% below CT
Renters paying 30%+of income on rent
53.9%±12.6Highest
CT: 52.6%
46.5%±11.7Lowest
CT: 52.6%
Derby and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
10.8%Lowest
CT: 10%
18.6%Highest
CT: 10%
Housing
Homeownersof occupied homes
61.9%Highest
CT: 66.5%
45.4%Lowest
CT: 66.5%
Typical home builtmedian year
1967Lowest
same as CT
1971Highest
4 yrs newer than CT
Getting to work
Average commuteone way
27 minHighest
about the CT average
18 minLowest
34% below CT
Work from home
15.1%±4.8Highest
CT: 16%
4.8%±2Lowest
CT: 16%
Schools
Public school scoresrank in state, math + reading #138 of 149 in CT —
School district Derby School District —
High school in town Derby High School —
Students per teacherat that high school
9.7
—
On TownTapestry
Old photos in History 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.