Compare towns

Plainville vs Killingly vs Union vs Derby

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

What stands out worked out from the figures below

Plainville has the shortest commute (21 min average).
Killingly has the most kids (19.8% under 18).
Union has the most homeowners (92.9%).
Derby has the most people working from home (15.1%).

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.

MeasurePlainvilleKillinglyUnionDerby
People
Population
17,551
17,867Highest
944Lowest
12,487
Growth since 20102010 → 2020 census — — —
-4.5%
CT: +0.9%
Median age
44.3±1.5
8% above CT
39.5±3Lowest
4% below CT
49.9±4.3Highest
21% above CT
46.4±3.1
13% above CT
Union and Derby are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
15.6%±2.3
CT: 20.2%
19.8%±2.3Highest
CT: 20.2%
16.9%±4.3
CT: 20.2%
14.6%±2.9Lowest
CT: 20.2%
Killingly and Union are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
20.1%±2.8
CT: 18.5%
19.7%±2.4Lowest
CT: 18.5%
24.5%±2.6Highest
CT: 18.5%
21.1%±3.9
CT: 18.5%
Union and Derby are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
30%
CT: 42.5%
22.9%Lowest
CT: 42.5%
24%
CT: 42.5%
35.6%Highest
CT: 42.5%
Enrolled in collegeshare of residents
6.2%±1.6Highest
CT: 7.1%
5.4%±1.9
CT: 7.1%
5%±3.3Lowest
CT: 7.1%
5.9%±2
CT: 7.1%
Plainville and Derby are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,343±$7k
12% below CT
$84,350±$8k
12% below CT
$88,958±$14kHighest
7% below CT
$79,500±$11kLowest
17% below CT
Union and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$254,000±$14kLowest
31% below CT
$288,600±$15k
21% below CT
$330,400±$26kHighest
10% below CT
$256,700±$21k
30% below CT
Rentmedian gross, monthly
$1,126±$147
24% below CT
$1,044±$141Lowest
30% below CT
—
$1,452±$95Highest
about the CT average
Property taxmedian, yearly
$4,798
28% below CT
$3,922Lowest
41% below CT
$4,793
28% below CT
$5,510Highest
17% below CT
Renters paying 30%+of income on rent
40.3%±12.4Lowest
CT: 52.6%
42.8%±10.9
CT: 52.6%
90%±64.7Highest
CT: 52.6%
53.9%±12.6
CT: 52.6%
Union and Derby are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.5%
CT: 10%
11.4%Highest
CT: 10%
5.7%Lowest
CT: 10%
10.8%
CT: 10%
Housing
Homeownersof occupied homes
67.7%
CT: 66.5%
71.6%
CT: 66.5%
92.9%Highest
CT: 66.5%
61.9%Lowest
CT: 66.5%
Typical home builtmedian year
1971
4 yrs newer than CT
1968
1 yr newer than CT
1976Highest
9 yrs newer than CT
1967Lowest
same as CT
Getting to work
Average commuteone way
21 minLowest
20% below CT
28 min
5% above CT
32 minHighest
20% above CT
27 min
about the CT average
Work from home
10.7%±2
CT: 16%
11.1%±2.3
CT: 16%
9%±3.7Lowest
CT: 16%
15.1%±4.8Highest
CT: 16%
Derby 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 #89 of 149 in CT #136 of 149 in CT — #138 of 149 in CT
School district Judicial Centers · Plainville School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Union School District Derby School District
High school in town Plainville High School Killingly High School None in town Derby High School
Students per teacherat that high school
11.4Highest
11.1
—
9.7Lowest
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.