Compare towns

Columbia vs Groton

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

What stands out worked out from the figures below

Columbia has the most people working from home (21.6%).
Groton has the most renters (54.6% rent).

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.

MeasureColumbiaGroton
People
Population
5,300Lowest
9,490Highest
Growth since 20102010 → 2020 census —
-9.6%
CT: +0.9%
Median age
51.3±10.3Highest
25% above CT
39±3.7Lowest
5% below CT
Columbia and Groton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
13.7%±4.3Lowest
CT: 20.2%
15.7%±3.5Highest
CT: 20.2%
Groton and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
24.9%±5.4Highest
CT: 18.5%
16.2%±2.7Lowest
CT: 18.5%
Bachelor’s degree+adults 25+
34.6%Lowest
CT: 42.5%
38.8%Highest
CT: 42.5%
Enrolled in collegeshare of residents
4.8%±2.5Highest
CT: 7.1%
4.2%±1.7Lowest
CT: 7.1%
Columbia and Groton are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$127,000±$30kHighest
33% above CT
$79,577±$8kLowest
17% below CT
Home valuemedian, owner-occupied
$361,500±$16kHighest
about the CT average
$306,600±$26kLowest
16% below CT
Rentmedian gross, monthly
$966±$304Lowest
35% below CT
$1,250±$98Highest
16% below CT
Groton and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$5,228Highest
21% below CT
$4,411Lowest
34% below CT
Renters paying 30%+of income on rent
17.6%±16.2Lowest
CT: 52.6%
46.5%±11.7Highest
CT: 52.6%
Below poverty line
6.1%Lowest
CT: 10%
18.6%Highest
CT: 10%
Housing
Homeownersof occupied homes
83.3%Highest
CT: 66.5%
45.4%Lowest
CT: 66.5%
Typical home builtmedian year
1984Highest
17 yrs newer than CT
1971Lowest
4 yrs newer than CT
Getting to work
Average commuteone way
32 minHighest
21% above CT
18 minLowest
34% below CT
Work from home
21.6%±6Highest
CT: 16%
4.8%±2Lowest
CT: 16%
Schools
Public school scoresrank in state, math + reading #114 of 149 in CT —
School district Columbia School District —
High school in town None in town —
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.