Compare towns

Columbia vs Killingly vs Deep River

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%).
Killingly has the most affordable homes ($289k median).
Deep River has the shortest commute (24 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.

MeasureColumbiaKillinglyDeep River
People
Population
5,300
17,867Highest
4,458Lowest
Median age
51.3±10.3Highest
25% above CT
39.5±3Lowest
4% below CT
46.2±5.6
12% above CT
Columbia and Deep River 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%
19.8%±2.3Highest
CT: 20.2%
16.6%±4.7
CT: 20.2%
Killingly and Deep River 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%
19.7%±2.4Lowest
CT: 18.5%
22.1%±4.1
CT: 18.5%
Columbia and Deep River are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
34.6%
CT: 42.5%
22.9%Lowest
CT: 42.5%
44.6%Highest
CT: 42.5%
Enrolled in collegeshare of residents
4.8%±2.5
CT: 7.1%
5.4%±1.9Highest
CT: 7.1%
3.8%±2.2Lowest
CT: 7.1%
Killingly and Columbia 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
$84,350±$8kLowest
12% below CT
$90,253±$19k
6% below CT
Columbia and Deep River are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$361,500±$16k
about the CT average
$288,600±$15kLowest
21% below CT
$362,200±$26kHighest
about the CT average
Deep River and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$966±$304Lowest
35% below CT
$1,044±$141
30% below CT
$1,221±$185Highest
18% below CT
Deep River and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$5,228
21% below CT
$3,922Lowest
41% below CT
$6,092Highest
8% below CT
Renters paying 30%+of income on rent
17.6%±16.2Lowest
CT: 52.6%
42.8%±10.9
CT: 52.6%
58.2%±22.9Highest
CT: 52.6%
Deep River and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.1%Lowest
CT: 10%
11.4%Highest
CT: 10%
8.2%
CT: 10%
Housing
Homeownersof occupied homes
83.3%Highest
CT: 66.5%
71.6%
CT: 66.5%
69.2%Lowest
CT: 66.5%
Typical home builtmedian year
1984Highest
17 yrs newer than CT
1968Lowest
1 yr newer than CT
1974
7 yrs newer than CT
Getting to work
Average commuteone way
32 minHighest
21% above CT
28 min
5% above CT
24 minLowest
9% below CT
Work from home
21.6%±6Highest
CT: 16%
11.1%±2.3Lowest
CT: 16%
15.2%±5.6
CT: 16%
Columbia and Deep River 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 #114 of 149 in CT #136 of 149 in CT #70 of 149 in CT
School district Columbia School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Deep River School District · Regional School District 04
High school in town None in town Killingly High School Valley Regional High School
Students per teacherat that high school —
11.1Highest
9.3Lowest
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.