Compare towns

Bloomfield vs Colebrook vs Derby vs Killingly

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

What stands out worked out from the figures below

Bloomfield has the most people working from home (18.2%).
Colebrook has the most homeowners (91.6%).
Derby has the most renters (38.1% rent).
Killingly has the youngest population (median age 39.5).

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.

MeasureBloomfieldColebrookDerbyKillingly
People
Population
21,754Highest
1,494Lowest
12,487
17,867
Growth since 20102010 → 2020 census — —
-4.5%
CT: +0.9%
—
Median age
48.4±3.3
18% above CT
52.1±5Highest
27% above CT
46.4±3.1
13% above CT
39.5±3Lowest
4% below CT
Colebrook and Bloomfield are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
13.7%±2.1Lowest
CT: 20.2%
17.9%±3.9
CT: 20.2%
14.6%±2.9
CT: 20.2%
19.8%±2.3Highest
CT: 20.2%
Killingly and Colebrook are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
27.3%±2.6Highest
CT: 18.5%
26%±4.2
CT: 18.5%
21.1%±3.9
CT: 18.5%
19.7%±2.4Lowest
CT: 18.5%
Bloomfield and Colebrook are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
40.8%Highest
CT: 42.5%
36.6%
CT: 42.5%
35.6%
CT: 42.5%
22.9%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
6.6%±1.8Highest
CT: 7.1%
5.4%±1.8Lowest
CT: 7.1%
5.9%±2
CT: 7.1%
5.4%±1.9Lowest
CT: 7.1%
Bloomfield and Derby are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$98,725±$14k
3% above CT
$111,250±$17kHighest
16% above CT
$79,500±$11kLowest
17% below CT
$84,350±$8k
12% below CT
Colebrook and Bloomfield are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$286,900±$11k
22% below CT
$342,800±$19kHighest
7% below CT
$256,700±$21kLowest
30% below CT
$288,600±$15k
21% below CT
Rentmedian gross, monthly
$1,881±$175Highest
26% above CT
$1,333±$626
10% below CT
$1,452±$95
about the CT average
$1,044±$141Lowest
30% below CT
Property taxmedian, yearly
$5,795
13% below CT
$6,211Highest
7% below CT
$5,510
17% below CT
$3,922Lowest
41% below CT
Renters paying 30%+of income on rent
52.6%±11.2
CT: 52.6%
42.1%±55Lowest
CT: 52.6%
53.9%±12.6Highest
CT: 52.6%
42.8%±10.9
CT: 52.6%
Derby and Bloomfield are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
5.8%Lowest
CT: 10%
8.3%
CT: 10%
10.8%
CT: 10%
11.4%Highest
CT: 10%
Housing
Homeownersof occupied homes
71.1%
CT: 66.5%
91.6%Highest
CT: 66.5%
61.9%Lowest
CT: 66.5%
71.6%
CT: 66.5%
Typical home builtmedian year
1970Highest
3 yrs newer than CT
1960Lowest
7 yrs older than CT
1967
same as CT
1968
1 yr newer than CT
Getting to work
Average commuteone way
23 minLowest
12% below CT
34 minHighest
29% above CT
27 min
about the CT average
28 min
5% above CT
Work from home
18.2%±3.1Highest
CT: 16%
7%±3.8Lowest
CT: 16%
15.1%±4.8
CT: 16%
11.1%±2.3
CT: 16%
Bloomfield 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 #139 of 149 in CT — #138 of 149 in CT #136 of 149 in CT
School district Bloomfield School District · Capitol Region Education Council Colebrook School District Derby School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS
High school in town Academy of International Studies 6-12 None in town Derby High School Killingly High School
Students per teacherat that high school
10.1
—
9.7Lowest
11.1Highest
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.