Compare towns
Ansonia vs Derby vs Killingly vs Thompson
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Ansonia has the most renters (41.9% rent).
Derby has the most people working from home (15.1%).
Killingly has the most kids (19.8% under 18).
Thompson has the most homeowners (84.3%).
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.
| Measure | Ansonia | Derby | Killingly | Thompson |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 19,033Highest |
12,487 |
17,867 |
9,337Lowest |
| Growth since 20102010 → 2020 census | -1.7%Highest CT: +0.9% |
-4.5%Lowest CT: +0.9% |
— | — |
| Median age | 40.1±1.6 about the CT average |
46.4±3.1 13% above CT |
39.5±3Lowest 4% below CT |
54.1±2.2Highest 32% above CT |
| Kids under 18 | 18.3%±2.8 CT: 20.2% |
14.6%±2.9 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
11.4%±2.8Lowest CT: 20.2% |
| Killingly and Ansonia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 18.1%±2.7Lowest CT: 18.5% |
21.1%±3.9 CT: 18.5% |
19.7%±2.4 CT: 18.5% |
24.4%±4.3Highest CT: 18.5% |
| Thompson and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 21.9%Lowest CT: 42.5% |
35.6%Highest CT: 42.5% |
22.9% CT: 42.5% |
21.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 6.2%±1.8Highest CT: 7.1% |
5.9%±2 CT: 7.1% |
5.4%±1.9 CT: 7.1% |
2.9%±1.3Lowest CT: 7.1% |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $85,877±$10k 10% below CT |
$79,500±$11kLowest 17% below CT |
$84,350±$8k 12% below CT |
$93,629±$18kHighest about the CT average |
| Thompson and Ansonia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $287,200±$14k 22% below CT |
$256,700±$21kLowest 30% below CT |
$288,600±$15k 21% below CT |
$291,900±$24kHighest 20% below CT |
| Thompson and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,476±$121Highest about the CT average |
$1,452±$95 about the CT average |
$1,044±$141 30% below CT |
$1,012±$344Lowest 32% below CT |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $5,446 18% below CT |
$5,510Highest 17% below CT |
$3,922 41% below CT |
$3,822Lowest 42% below CT |
| Renters paying 30%+of income on rent | 39.7%±10Lowest CT: 52.6% |
53.9%±12.6 CT: 52.6% |
42.8%±10.9 CT: 52.6% |
54%±18.7Highest CT: 52.6% |
| Thompson and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 9.4% CT: 10% |
10.8% CT: 10% |
11.4%Highest CT: 10% |
5.9%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 58.1%Lowest CT: 66.5% |
61.9% CT: 66.5% |
71.6% CT: 66.5% |
84.3%Highest CT: 66.5% |
| Typical home builtmedian year | 1954Lowest 13 yrs older than CT |
1967 same as CT |
1968Highest 1 yr newer than CT |
1963 4 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 27 minLowest about the CT average |
27 min about the CT average |
28 min 5% above CT |
32 minHighest 20% above CT |
| Work from home | 9.1%±2.9Lowest CT: 16% |
15.1%±4.8Highest CT: 16% |
11.1%±2.3 CT: 16% |
13.1%±4.4 CT: 16% |
| Derby and Thompson 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 | #142 of 149 in CT | #138 of 149 in CT | #136 of 149 in CT | #130 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Ansonia School District | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Thompson School District |
| High school in town | Emmett O'Brien Technical High School | Derby High School | Killingly High School | Tourtellotte Memorial High School |
| Students per teacherat that high school | 12.2Highest |
9.7 |
11.1 |
7.9Lowest |
| 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.



