Compare towns
Union 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
Union has the most homeowners (92.9%).
Derby has the most people working from home (15.1%).
Killingly has the most kids (19.8% under 18).
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 | Union | Derby | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 944Lowest |
12,487 |
17,867Highest |
| Growth since 20102010 → 2020 census | — | -4.5% CT: +0.9% |
— |
| Median age | 49.9±4.3Highest 21% above CT |
46.4±3.1 13% above CT |
39.5±3Lowest 4% below CT |
| Union and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 16.9%±4.3 CT: 20.2% |
14.6%±2.9Lowest CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
| Killingly and Union are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 24.5%±2.6Highest CT: 18.5% |
21.1%±3.9 CT: 18.5% |
19.7%±2.4Lowest CT: 18.5% |
| Union and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 24% CT: 42.5% |
35.6%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5%±3.3Lowest CT: 7.1% |
5.9%±2Highest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
| Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $88,958±$14kHighest 7% below CT |
$79,500±$11kLowest 17% below CT |
$84,350±$8k 12% below CT |
| Union and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $330,400±$26kHighest 10% below CT |
$256,700±$21kLowest 30% below CT |
$288,600±$15k 21% below CT |
| Rentmedian gross, monthly | — | $1,452±$95Highest about the CT average |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $4,793 28% below CT |
$5,510Highest 17% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 90%±64.7Highest CT: 52.6% |
53.9%±12.6 CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
| Union and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 5.7%Lowest CT: 10% |
10.8% CT: 10% |
11.4%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 92.9%Highest CT: 66.5% |
61.9%Lowest CT: 66.5% |
71.6% CT: 66.5% |
| Typical home builtmedian year | 1976Highest 9 yrs newer than CT |
1967Lowest same as CT |
1968 1 yr newer than CT |
| Getting to work | |||
| Average commuteone way | 32 minHighest 20% above CT |
27 minLowest about the CT average |
28 min 5% above CT |
| Work from home | 9%±3.7Lowest CT: 16% |
15.1%±4.8Highest CT: 16% |
11.1%±2.3 CT: 16% |
| Derby and Killingly 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 |
| School district | Union School District | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | None in town | Derby High School | Killingly High School |
| Students per teacherat that high school | — | 9.7Lowest |
11.1Highest |
| On TownTapestry | |||
| Old photos in History | 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.