Compare towns
Killingly vs Middlefield vs Derby
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).
Middlefield has the most expensive homes ($376k median).
Derby has the most people working from home (15.1%).
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 | Middlefield | Derby |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
4,243Lowest |
12,487 |
| Growth since 20102010 → 2020 census | — | — | -4.5% CT: +0.9% |
| Median age | 39.5±3Lowest 4% below CT |
51.6±1.9Highest 26% above CT |
46.4±3.1 13% above CT |
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
13.9%±4.1Lowest CT: 20.2% |
14.6%±2.9 CT: 20.2% |
| Killingly and Derby 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% |
25.5%±7.2Highest CT: 18.5% |
21.1%±3.9 CT: 18.5% |
| Middlefield 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% |
41.5%Highest CT: 42.5% |
35.6% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9Lowest CT: 7.1% |
5.7%±2.4 CT: 7.1% |
5.9%±2Highest CT: 7.1% |
| Derby and Middlefield 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 |
$99,837±$20kHighest 4% above CT |
$79,500±$11kLowest 17% below CT |
| Middlefield 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 |
$376,000±$27kHighest about the CT average |
$256,700±$21kLowest 30% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$3,501Highest 135% above CT |
$1,452±$95 about the CT average |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$6,853Highest 3% above CT |
$5,510 17% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9Lowest CT: 52.6% |
85.4%±52.1Highest CT: 52.6% |
53.9%±12.6 CT: 52.6% |
| Middlefield 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% |
8.1%Lowest CT: 10% |
10.8% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
86.5%Highest CT: 66.5% |
61.9%Lowest CT: 66.5% |
| Typical home builtmedian year | 1968Highest 1 yr newer than CT |
1961Lowest 6 yrs older than CT |
1967 same as CT |
| Getting to work | |||
| Average commuteone way | 28 minHighest 5% above CT |
25 minLowest 6% below CT |
27 min about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
10.9%±4.1Lowest CT: 16% |
15.1%±4.8Highest 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 | #65 of 149 in CT | #138 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Regional School District 13 | Derby School District |
| High school in town | Killingly High School | None in town | Derby High School |
| 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.