Compare towns
Killingly vs Derby vs Union
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingly has the most kids (19.8% under 18).
Derby has the most people working from home (15.1%).
Union has the most homeowners (92.9%).
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 | Killingly | Derby | Union |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
12,487 |
944Lowest |
| Growth since 20102010 → 2020 census | — | -4.5% CT: +0.9% |
— |
| Median age | 39.5±3Lowest 4% below CT |
46.4±3.1 13% above CT |
49.9±4.3Highest 21% above CT |
| Union and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
14.6%±2.9Lowest CT: 20.2% |
16.9%±4.3 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+ | 19.7%±2.4Lowest CT: 18.5% |
21.1%±3.9 CT: 18.5% |
24.5%±2.6Highest 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+ | 22.9%Lowest CT: 42.5% |
35.6%Highest CT: 42.5% |
24% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
5.9%±2Highest CT: 7.1% |
5%±3.3Lowest 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 | $84,350±$8k 12% below CT |
$79,500±$11kLowest 17% below CT |
$88,958±$14kHighest 7% 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 | $288,600±$15k 21% below CT |
$256,700±$21kLowest 30% below CT |
$330,400±$26kHighest 10% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,452±$95Highest about the CT average |
— |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$5,510Highest 17% below CT |
$4,793 28% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9Lowest CT: 52.6% |
53.9%±12.6 CT: 52.6% |
90%±64.7Highest 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 | 11.4%Highest CT: 10% |
10.8% CT: 10% |
5.7%Lowest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
61.9%Lowest CT: 66.5% |
92.9%Highest CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1967Lowest same as CT |
1976Highest 9 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 28 min 5% above CT |
27 minLowest about the CT average |
32 minHighest 20% above CT |
| Work from home | 11.1%±2.3 CT: 16% |
15.1%±4.8Highest CT: 16% |
9%±3.7Lowest 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 | #136 of 149 in CT | #138 of 149 in CT | — |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Derby School District | Union School District |
| High school in town | Killingly High School | Derby High School | None in town |
| Students per teacherat that high school | 11.1Highest |
9.7Lowest |
— |
| 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.