Compare towns
Bolton 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
Bolton has the highest household income ($126k).
Derby has the most renters (38.1% rent).
Killingly has the youngest population (median age 39.5).
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 | Bolton | Derby | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 4,853Lowest |
12,487 |
17,867Highest |
| Growth since 20102010 → 2020 census | — | -4.5% CT: +0.9% |
— |
| Median age | 43.7±3.3 6% above CT |
46.4±3.1Highest 13% above CT |
39.5±3Lowest 4% below CT |
| Derby and Bolton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 20%±3.6Highest CT: 20.2% |
14.6%±2.9Lowest CT: 20.2% |
19.8%±2.3 CT: 20.2% |
| Bolton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 19.7%±3.4Lowest CT: 18.5% |
21.1%±3.9Highest CT: 18.5% |
19.7%±2.4Lowest CT: 18.5% |
| Derby and Bolton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 51.3%Highest CT: 42.5% |
35.6% CT: 42.5% |
22.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 7.7%±2.6Highest CT: 7.1% |
5.9%±2 CT: 7.1% |
5.4%±1.9Lowest CT: 7.1% |
| Bolton and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $126,364±$19kHighest 32% above CT |
$79,500±$11kLowest 17% below CT |
$84,350±$8k 12% below CT |
| Home valuemedian, owner-occupied | $367,600±$17kHighest about the CT average |
$256,700±$21kLowest 30% below CT |
$288,600±$15k 21% below CT |
| Rentmedian gross, monthly | $1,127±$55 24% below CT |
$1,452±$95Highest about the CT average |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $8,091Highest 22% above CT |
$5,510 17% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 39.8%±30.8Lowest CT: 52.6% |
53.9%±12.6Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
| Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 7.2%Lowest CT: 10% |
10.8% CT: 10% |
11.4%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 88%Highest CT: 66.5% |
61.9%Lowest CT: 66.5% |
71.6% CT: 66.5% |
| Typical home builtmedian year | 1969Highest 2 yrs newer than CT |
1967Lowest same as CT |
1968 1 yr newer than CT |
| Getting to work | |||
| Average commuteone way | 25 minLowest 6% below CT |
27 min about the CT average |
28 minHighest 5% above CT |
| Work from home | 20.7%±4.6Highest CT: 16% |
15.1%±4.8 CT: 16% |
11.1%±2.3Lowest CT: 16% |
| Bolton 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 | #79 of 149 in CT | #138 of 149 in CT | #136 of 149 in CT |
| School district | Bolton School District | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Bolton High School | Derby High School | Killingly High School |
| Students per teacherat that high school | 7.4Lowest |
9.7 |
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.