Compare towns

Groton vs Union vs Putnam

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

What stands out worked out from the figures below

Groton has the shortest commute (18 min average).
Union has the most homeowners (92.9%).
Putnam has the most affordable homes ($269k 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.

MeasureGrotonUnionPutnam
People
Population
9,490Highest
944Lowest
9,292
Growth since 20102010 → 2020 census
-9.6%
CT: +0.9%
— —
Median age
39±3.7Lowest
5% below CT
49.9±4.3Highest
21% above CT
43.7±3
6% above CT
Union and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
15.7%±3.5Lowest
CT: 20.2%
16.9%±4.3
CT: 20.2%
18.6%±3.6Highest
CT: 20.2%
Putnam and Union are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.2%±2.7Lowest
CT: 18.5%
24.5%±2.6Highest
CT: 18.5%
18.5%±3.1
CT: 18.5%
Bachelor’s degree+adults 25+
38.8%Highest
CT: 42.5%
24%
CT: 42.5%
20%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
4.2%±1.7
CT: 7.1%
5%±3.3Highest
CT: 7.1%
3.9%±1.4Lowest
CT: 7.1%
Union and Groton are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$79,577±$8k
17% below CT
$88,958±$14kHighest
7% below CT
$70,561±$7kLowest
26% below CT
Union and Groton are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$306,600±$26k
16% below CT
$330,400±$26kHighest
10% below CT
$269,200±$11kLowest
27% below CT
Union and Groton are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,250±$98Highest
16% below CT
—
$1,149±$44Lowest
23% below CT
Groton and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$4,411
34% below CT
$4,793Highest
28% below CT
$3,860Lowest
42% below CT
Renters paying 30%+of income on rent
46.5%±11.7
CT: 52.6%
90%±64.7Highest
CT: 52.6%
37.7%±11.6Lowest
CT: 52.6%
Union and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
18.6%Highest
CT: 10%
5.7%Lowest
CT: 10%
11.5%
CT: 10%
Housing
Homeownersof occupied homes
45.4%Lowest
CT: 66.5%
92.9%Highest
CT: 66.5%
59.8%
CT: 66.5%
Typical home builtmedian year
1971
4 yrs newer than CT
1976Highest
9 yrs newer than CT
1961Lowest
6 yrs older than CT
Getting to work
Average commuteone way
18 minLowest
34% below CT
32 minHighest
20% above CT
25 min
6% below CT
Work from home
4.8%±2Lowest
CT: 16%
9%±3.7Highest
CT: 16%
9%±2.8Highest
CT: 16%
Schools
Public school scoresrank in state, math + reading — — #128 of 149 in CT
School district — Union School District Putnam School District
High school in town — None in town Putnam High School
Students per teacherat that high school — —
9.5
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.