Compare towns
Derby vs Killingly vs Andover vs Ansonia
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 affordable homes ($257k median).
Killingly has the most kids (19.8% under 18).
Andover has the highest household income ($135k).
Ansonia has the most renters (41.9% rent).
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 | Derby | Killingly | Andover | Ansonia |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 12,487 |
17,867 |
3,152Lowest |
19,033Highest |
| Growth since 20102010 → 2020 census | -4.5%Lowest CT: +0.9% |
— | — | -1.7%Highest CT: +0.9% |
| Median age | 46.4±3.1 13% above CT |
39.5±3Lowest 4% below CT |
51.2±5.4Highest 25% above CT |
40.1±1.6 about the CT average |
| Andover and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 14.6%±2.9Lowest CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
16.2%±4.4 CT: 20.2% |
18.3%±2.8 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+ | 21.1%±3.9Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
19.2%±5.1 CT: 18.5% |
18.1%±2.7Lowest CT: 18.5% |
| 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+ | 35.6% CT: 42.5% |
22.9% CT: 42.5% |
46.5%Highest CT: 42.5% |
21.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.9%±2 CT: 7.1% |
5.4%±1.9Lowest CT: 7.1% |
8.2%±4.1Highest CT: 7.1% |
6.2%±1.8 CT: 7.1% |
| Andover and Ansonia 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 |
$134,632±$20kHighest 41% above CT |
$85,877±$10k 10% below CT |
| Home valuemedian, owner-occupied | $256,700±$21kLowest 30% below CT |
$288,600±$15k 21% below CT |
$376,500±$36kHighest about the CT average |
$287,200±$14k 22% below CT |
| Rentmedian gross, monthly | $1,452±$95 about the CT average |
$1,044±$141Lowest 30% below CT |
$1,166±$745 22% below CT |
$1,476±$121Highest about the CT average |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $5,510 17% below CT |
$3,922Lowest 41% below CT |
$6,554Highest about the CT average |
$5,446 18% below CT |
| Renters paying 30%+of income on rent | 53.9%±12.6 CT: 52.6% |
42.8%±10.9 CT: 52.6% |
60.8%±38.4Highest CT: 52.6% |
39.7%±10Lowest CT: 52.6% |
| Andover 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% |
1.8%Lowest CT: 10% |
9.4% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 61.9% CT: 66.5% |
71.6% CT: 66.5% |
93.1%Highest CT: 66.5% |
58.1%Lowest CT: 66.5% |
| Typical home builtmedian year | 1967 same as CT |
1968 1 yr newer than CT |
1977Highest 10 yrs newer than CT |
1954Lowest 13 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 27 min about the CT average |
28 minHighest 5% above CT |
25 minLowest 5% below CT |
27 min about the CT average |
| Work from home | 15.1%±4.8 CT: 16% |
11.1%±2.3 CT: 16% |
15.5%±5.4Highest CT: 16% |
9.1%±2.9Lowest CT: 16% |
| Andover 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 | #43 of 149 in CT | #142 of 149 in CT |
| School district | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Andover School District | Connecticut Technical Education and Career System · Ansonia School District |
| High school in town | Derby High School | Killingly High School | None in town | Emmett O'Brien Technical High School |
| Students per teacherat that high school | 9.7Lowest |
11.1 |
— | 12.2Highest |
| 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.



