Compare towns

Windham vs Derby vs Killingly vs Mansfield

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

What stands out worked out from the figures below

Windham has the most affordable homes ($210k median).
Derby has the oldest population (median age 46.4).
Killingly has the most homeowners (71.6%).
Mansfield has the most people working from home (28.3%).
Mansfield is a college town. 57% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.

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.

MeasureWindhamDerbyKillinglyMansfield
People
Population
23,961
12,487Lowest
17,867
25,358Highest
Growth since 20102010 → 2020 census —
-4.5%
CT: +0.9%
— —
Median age
33.7±1.9
18% below CT
46.4±3.1Highest
13% above CT
39.5±3
4% below CT
21.2±0.2Lowest
48% below CT
Kids under 18
20.1%±2.4Highest
CT: 20.2%
14.6%±2.9
CT: 20.2%
19.8%±2.3
CT: 20.2%
9.2%±1.6Lowest
CT: 20.2%
Windham and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
14.3%±1.9
CT: 18.5%
21.1%±3.9Highest
CT: 18.5%
19.7%±2.4
CT: 18.5%
11%±1.5Lowest
CT: 18.5%
Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.7%Lowest
CT: 42.5%
35.6%
CT: 42.5%
22.9%
CT: 42.5%
57.9%Highest
CT: 42.5%
Enrolled in collegeshare of residents
15.2%±1.8
CT: 7.1%
5.9%±2
CT: 7.1%
5.4%±1.9Lowest
CT: 7.1%
57%±2.5Highest
CT: 7.1%
Cost of living
Household incomemedian
$55,736±$5kLowest
42% below CT
$79,500±$11k
17% below CT
$84,350±$8kHighest
12% below CT
$72,393±$12k
24% below CT
Killingly and Derby are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$209,800±$9kLowest
43% below CT
$256,700±$21k
30% below CT
$288,600±$15k
21% below CT
$335,400±$20kHighest
9% below CT
Rentmedian gross, monthly
$1,107±$69
26% below CT
$1,452±$95
about the CT average
$1,044±$141Lowest
30% below CT
$1,602±$104Highest
8% above CT
Mansfield and Derby are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$4,633
30% below CT
$5,510
17% below CT
$3,922Lowest
41% below CT
$5,727Highest
14% below CT
Renters paying 30%+of income on rent
57.1%±8.1
CT: 52.6%
53.9%±12.6
CT: 52.6%
42.8%±10.9Lowest
CT: 52.6%
76%±9.6Highest
CT: 52.6%
Below poverty line
20.7%
CT: 10%
10.8%Lowest
CT: 10%
11.4%
CT: 10%
21.6%Highest
CT: 10%
Housing
Homeownersof occupied homes
47.4%Lowest
CT: 66.5%
61.9%
CT: 66.5%
71.6%Highest
CT: 66.5%
57.3%
CT: 66.5%
Typical home builtmedian year
1956Lowest
11 yrs older than CT
1967
same as CT
1968
1 yr newer than CT
1976Highest
9 yrs newer than CT
Getting to work
Average commuteone way
24 min
8% below CT
27 min
about the CT average
28 minHighest
5% above CT
21 minLowest
22% below CT
Work from home
6.1%±1.7Lowest
CT: 16%
15.1%±4.8
CT: 16%
11.1%±2.3
CT: 16%
28.3%±3.3Highest
CT: 16%
Schools
Public school scoresrank in state, math + reading #143 of 149 in CT #138 of 149 in CT #136 of 149 in CT #45 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Derby School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Regional School District 19 · Mansfield School District
High school in town Windham High School Derby High School Killingly High School E. O. Smith High School
Students per teacherat that high school
9.8
9.7Lowest
11.1
11.8Highest
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.