Compare towns

Killingly vs Derby vs Smithfield

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 most kids (19.8% under 18).
Derby has the most renters (38.1% rent).
Smithfield has the most expensive homes ($446k 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.

MeasureKillinglyDerbySmithfield
People
Population
17,867
12,487Lowest
22,233Highest
Growth since 20102010 → 2020 census —
-4.5%Lowest
U.S.: +7.4%
+3.2%Highest
U.S.: +7.4%
Median age
39.5±3Lowest
about the U.S. average
46.4±3.1Highest
19% above U.S.
41.8±2.6
7% above U.S.
Derby and Smithfield 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%
16.9%±2.4
U.S.: 22%
Killingly and Smithfield are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4Lowest
U.S.: 17.2%
21.1%±3.9Highest
U.S.: 17.2%
21.1%±2.1Highest
U.S.: 17.2%
Bachelor’s degree+adults 25+
22.9%Lowest
U.S.: 35.7%
35.6%
U.S.: 35.7%
40%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9Lowest
U.S.: 6.4%
5.9%±2
U.S.: 6.4%
16.7%±0.9Highest
U.S.: 6.4%
Cost of living
Household incomemedian
$84,350±$8k
4% above U.S.
$79,500±$11kLowest
about the U.S. average
$102,077±$8kHighest
26% above U.S.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$256,700±$21kLowest
23% below U.S.
$446,400±$12kHighest
34% above U.S.
Rentmedian gross, monthly
$1,044±$141
26% below U.S.
$1,452±$95Highest
about the U.S. average
$1,016±$241Lowest
28% below U.S.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$5,510Highest
77% above U.S.
$5,207
67% 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%
57.1%±17.7Highest
U.S.: 51.1%
Smithfield 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%
6.2%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%
U.S.: 65.2%
61.9%Lowest
U.S.: 65.2%
81.6%Highest
U.S.: 65.2%
Typical home builtmedian year
1968
12 yrs older than U.S.
1967Lowest
13 yrs older than U.S.
1976Highest
4 yrs older than U.S.
Getting to work
Average commuteone way
28 minHighest
6% above U.S.
27 min
about the U.S. average
25 minLowest
7% below U.S.
Work from home
11.1%±2.3Lowest
U.S.: 15.1%
15.1%±4.8Highest
U.S.: 15.1%
14%±3.1
U.S.: 15.1%
Derby and Smithfield 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 #8 of 38 in RI
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Derby School District Smithfield
High school in town Killingly High School Derby High School Smithfield High School
Students per teacherat that high school
11.1
9.7Lowest
11.8Highest
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.