Compare towns

Derby vs Killingly vs Thomaston vs Bloomfield

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

What stands out worked out from the figures below

Derby has the most renters (38.1% rent).
Killingly has the youngest population (median age 39.5).
Thomaston has the most homeowners (77.7%).
Bloomfield has the most people working from home (18.2%).

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.

MeasureDerbyKillinglyThomastonBloomfield
People
Population
12,487
17,867
7,492Lowest
21,754Highest
Growth since 20102010 → 2020 census
-4.5%
CT: +0.9%
— — —
Median age
46.4±3.1
13% above CT
39.5±3Lowest
4% below CT
41.5±7.7
about the CT average
48.4±3.3Highest
18% above CT
Bloomfield and Derby are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14.6%±2.9
CT: 20.2%
19.8%±2.3
CT: 20.2%
20.5%±5.2Highest
CT: 20.2%
13.7%±2.1Lowest
CT: 20.2%
Thomaston and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.1%±3.9
CT: 18.5%
19.7%±2.4
CT: 18.5%
18.6%±3.6Lowest
CT: 18.5%
27.3%±2.6Highest
CT: 18.5%
Bloomfield and Derby are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
35.6%
CT: 42.5%
22.9%Lowest
CT: 42.5%
34%
CT: 42.5%
40.8%Highest
CT: 42.5%
Enrolled in collegeshare of residents
5.9%±2
CT: 7.1%
5.4%±1.9Lowest
CT: 7.1%
5.5%±2.1
CT: 7.1%
6.6%±1.8Highest
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
$79,500±$11kLowest
17% below CT
$84,350±$8k
12% below CT
$103,218±$15kHighest
8% above CT
$98,725±$14k
3% above CT
Thomaston and Bloomfield are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$256,700±$21kLowest
30% below CT
$288,600±$15kHighest
21% below CT
$282,600±$23k
23% below CT
$286,900±$11k
22% below CT
Killingly and Bloomfield are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,452±$95
about the CT average
$1,044±$141
30% below CT
$1,037±$147Lowest
30% below CT
$1,881±$175Highest
26% above CT
Property taxmedian, yearly
$5,510
17% below CT
$3,922Lowest
41% below CT
$5,915Highest
11% below CT
$5,795
13% below CT
Renters paying 30%+of income on rent
53.9%±12.6
CT: 52.6%
42.8%±10.9Lowest
CT: 52.6%
57.9%±22Highest
CT: 52.6%
52.6%±11.2
CT: 52.6%
Thomaston and Derby are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
10.8%
CT: 10%
11.4%Highest
CT: 10%
2.3%Lowest
CT: 10%
5.8%
CT: 10%
Housing
Homeownersof occupied homes
61.9%Lowest
CT: 66.5%
71.6%
CT: 66.5%
77.7%Highest
CT: 66.5%
71.1%
CT: 66.5%
Typical home builtmedian year
1967
same as CT
1968
1 yr newer than CT
1961Lowest
6 yrs older than CT
1970Highest
3 yrs newer than CT
Getting to work
Average commuteone way
27 min
about the CT average
28 minHighest
5% above CT
27 min
about the CT average
23 minLowest
12% below CT
Work from home
15.1%±4.8
CT: 16%
11.1%±2.3
CT: 16%
7.6%±3.7Lowest
CT: 16%
18.2%±3.1Highest
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 #138 of 149 in CT #136 of 149 in CT #106 of 149 in CT #139 of 149 in CT
School district Derby School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Thomaston School District Bloomfield School District · Capitol Region Education Council
High school in town Derby High School Killingly High School Thomaston High School Academy of International Studies 6-12
Students per teacherat that high school
9.7Lowest
11.1Highest
10.7
10.1
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.