Compare towns

Killingly vs Derby vs Foster

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Killingly has the youngest population (median age 39.5).
Derby has the most renters (38.1% rent).
Foster has the most expensive homes ($425k median).

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.

MeasureKillinglyDerbyFoster
People
Population
17,867Highest
12,487
4,523Lowest
Growth since 20102010 → 2020 census —
-4.5%Lowest
U.S.: +7.4%
-3%Highest
U.S.: +7.4%
Median age
39.5±3Lowest
about the U.S. average
46.4±3.1
19% above U.S.
47.1±3Highest
21% above U.S.
Foster and Derby are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3Highest
U.S.: 22%
14.6%±2.9Lowest
U.S.: 22%
18.7%±4.4
U.S.: 22%
Killingly and Foster are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4
U.S.: 17.2%
21.1%±3.9Highest
U.S.: 17.2%
18.5%±3.2Lowest
U.S.: 17.2%
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+
22.9%Lowest
U.S.: 35.7%
35.6%
U.S.: 35.7%
36.9%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9
U.S.: 6.4%
5.9%±2Highest
U.S.: 6.4%
4.1%±2.2Lowest
U.S.: 6.4%
Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,350±$8k
4% above U.S.
$79,500±$11kLowest
about the U.S. average
$113,646±$18kHighest
41% above U.S.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$256,700±$21kLowest
23% below U.S.
$425,300±$30kHighest
28% above U.S.
Rentmedian gross, monthly
$1,044±$141Lowest
26% below U.S.
$1,452±$95
about the U.S. average
$1,509±$556Highest
7% above U.S.
Foster and Derby are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$5,510
77% above U.S.
$7,135Highest
129% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9Lowest
U.S.: 51.1%
53.9%±12.6
U.S.: 51.1%
65.8%±25.5Highest
U.S.: 51.1%
Foster and Derby are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%Highest
U.S.: 12.5%
10.8%
U.S.: 12.5%
4.7%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%
U.S.: 65.2%
61.9%Lowest
U.S.: 65.2%
91.4%Highest
U.S.: 65.2%
Typical home builtmedian year
1968
12 yrs older than U.S.
1967Lowest
13 yrs older than U.S.
1975Highest
5 yrs older than U.S.
Getting to work
Average commuteone way
28 min
6% above U.S.
27 minLowest
about the U.S. average
33 minHighest
26% above U.S.
Work from home
11.1%±2.3Lowest
U.S.: 15.1%
15.1%±4.8
U.S.: 15.1%
17.7%±4.9Highest
U.S.: 15.1%
Foster and Derby 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 #138 of 149 in CT #22 of 38 in RI
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Derby School District Foster
High school in town Killingly High School Derby High School None in town
Students per teacherat that high school
11.1Highest
9.7Lowest
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On TownTapestry
Old photos in History None yet None yet None yet

U.S. 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.