Compare towns

Columbia vs Killingly vs Plainfield vs Windsor Locks

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 highest household income ($127k).
Killingly has the most renters (28.4% rent).
Plainfield has the youngest population (median age 37).
Windsor Locks has the shortest commute (22 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.

MeasureColumbiaKillinglyPlainfieldWindsor Locks
People
Population
5,300Lowest
17,867Highest
15,141
12,579
Median age
51.3±10.3Highest
25% above CT
39.5±3
4% below CT
37±4.5Lowest
10% below CT
41.4±2.6
about the CT average
Columbia and Windsor Locks 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%
19.4%±2.6
CT: 20.2%
18.6%±3.4
CT: 20.2%
Killingly and Plainfield 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%±2.4
CT: 18.5%
16.6%±2.4Lowest
CT: 18.5%
18.2%±2.7
CT: 18.5%
Columbia and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
34.6%Highest
CT: 42.5%
22.9%
CT: 42.5%
15%Lowest
CT: 42.5%
28.6%
CT: 42.5%
Enrolled in collegeshare of residents
4.8%±2.5Lowest
CT: 7.1%
5.4%±1.9
CT: 7.1%
5.6%±1.8
CT: 7.1%
5.9%±1.8Highest
CT: 7.1%
Windsor Locks and Plainfield 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±$8k
12% below CT
$76,993±$8kLowest
20% below CT
$81,205±$13k
15% below CT
Home valuemedian, owner-occupied
$361,500±$16kHighest
about the CT average
$288,600±$15k
21% below CT
$272,100±$16k
26% below CT
$258,800±$14kLowest
29% below CT
Rentmedian gross, monthly
$966±$304Lowest
35% below CT
$1,044±$141
30% below CT
$1,204±$70
19% below CT
$1,394±$187Highest
6% below CT
Windsor Locks and Plainfield 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
$3,922
41% below CT
$4,209
37% below CT
$3,688Lowest
44% below CT
Renters paying 30%+of income on rent
17.6%±16.2Lowest
CT: 52.6%
42.8%±10.9
CT: 52.6%
39.8%±9.5
CT: 52.6%
58.2%±16.8Highest
CT: 52.6%
Windsor Locks 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%
8.7%
CT: 10%
10.9%
CT: 10%
Housing
Homeownersof occupied homes
83.3%Highest
CT: 66.5%
71.6%Lowest
CT: 66.5%
73.6%
CT: 66.5%
77.1%
CT: 66.5%
Typical home builtmedian year
1984Highest
17 yrs newer than CT
1968
1 yr newer than CT
1971
4 yrs newer than CT
1961Lowest
6 yrs older than CT
Getting to work
Average commuteone way
32 minHighest
21% above CT
28 min
5% above CT
27 min
about the CT average
22 minLowest
17% below CT
Work from home
21.6%±6Highest
CT: 16%
11.1%±2.3
CT: 16%
10%±4Lowest
CT: 16%
17.7%±3.7
CT: 16%
Columbia and Windsor Locks 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 #131 of 149 in CT #109 of 149 in CT
School district Columbia School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Plainfield School District Windsor Locks School District
High school in town None in town Killingly High School Plainfield High School Windsor Locks High School
Students per teacherat that high school —
11.1Highest
10.3
8.9Lowest
On TownTapestry
Old photos in History None yet 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.