Compare towns

Groton vs Killingly vs New London

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).
Killingly has the most homeowners (71.6%).
New London has the most renters (63.9% 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.

MeasureGrotonKillinglyNew London
People
Population
9,490Lowest
17,867
27,625Highest
Growth since 20102010 → 2020 census
-9.6%Lowest
CT: +0.9%
—
-0.9%Highest
CT: +0.9%
Median age
39±3.7
5% below CT
39.5±3Highest
4% below CT
34.7±2.1Lowest
16% below CT
Killingly and Groton 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%
19.8%±2.3Highest
CT: 20.2%
16.6%±2.5
CT: 20.2%
Killingly and New London are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.2%±2.7
CT: 18.5%
19.7%±2.4Highest
CT: 18.5%
15%±1.8Lowest
CT: 18.5%
Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
38.8%Highest
CT: 42.5%
22.9%Lowest
CT: 42.5%
28.5%
CT: 42.5%
Enrolled in collegeshare of residents
4.2%±1.7Lowest
CT: 7.1%
5.4%±1.9
CT: 7.1%
13.3%±1.6Highest
CT: 7.1%
Cost of living
Household incomemedian
$79,577±$8k
17% below CT
$84,350±$8kHighest
12% below CT
$59,098±$5kLowest
38% below CT
Killingly 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±$26kHighest
16% below CT
$288,600±$15k
21% below CT
$253,300±$23kLowest
31% below CT
Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,250±$98
16% below CT
$1,044±$141Lowest
30% below CT
$1,340±$51Highest
10% below CT
New London and Groton 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
$3,922Lowest
41% below CT
$4,977Highest
25% below CT
Renters paying 30%+of income on rent
46.5%±11.7
CT: 52.6%
42.8%±10.9Lowest
CT: 52.6%
53.2%±5.3Highest
CT: 52.6%
New London and Groton are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
18.6%
CT: 10%
11.4%Lowest
CT: 10%
21.6%Highest
CT: 10%
Housing
Homeownersof occupied homes
45.4%
CT: 66.5%
71.6%Highest
CT: 66.5%
36.1%Lowest
CT: 66.5%
Typical home builtmedian year
1971Highest
4 yrs newer than CT
1968
1 yr newer than CT
1945Lowest
22 yrs older than CT
Getting to work
Average commuteone way
18 minLowest
34% below CT
28 minHighest
5% above CT
19 min
28% below CT
Work from home
4.8%±2Lowest
CT: 16%
11.1%±2.3
CT: 16%
11.6%±2.3Highest
CT: 16%
New London and Killingly 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 #147 of 149 in CT
School district — Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Interdistrict School for Arts and Comm District · New London School District
High school in town — Killingly High School New London High School
Students per teacherat that high school —
11.1Lowest
13.6Highest
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.