Compare towns
Bethlehem vs Killingly vs Derby
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Bethlehem has the most expensive homes ($411k median).
Killingly has the most kids (19.8% under 18).
Derby has the most renters (38.1% 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 | Bethlehem | Killingly | Derby |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 3,423Lowest |
17,867Highest |
12,487 |
| Growth since 20102010 → 2020 census | — | — | -4.5% CT: +0.9% |
| Median age | 51.5±8.5Highest 25% above CT |
39.5±3Lowest 4% below CT |
46.4±3.1 13% above CT |
| Bethlehem and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 16.3%±4 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
14.6%±2.9Lowest CT: 20.2% |
| Killingly and Bethlehem are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 24.5%±5.3Highest CT: 18.5% |
19.7%±2.4Lowest CT: 18.5% |
21.1%±3.9 CT: 18.5% |
| Bethlehem and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 39.2%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
35.6% CT: 42.5% |
| Enrolled in collegeshare of residents | 4.5%±3.1Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
5.9%±2Highest 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 | $108,929±$16kHighest 14% above CT |
$84,350±$8k 12% below CT |
$79,500±$11kLowest 17% below CT |
| Home valuemedian, owner-occupied | $410,900±$36kHighest 12% above CT |
$288,600±$15k 21% below CT |
$256,700±$21kLowest 30% below CT |
| Rentmedian gross, monthly | $1,127±$124 24% below CT |
$1,044±$141Lowest 30% below CT |
$1,452±$95Highest about the CT average |
| Property taxmedian, yearly | $5,932Highest 11% below CT |
$3,922Lowest 41% below CT |
$5,510 17% below CT |
| Renters paying 30%+of income on rent | 69.7%±38.5Highest CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
53.9%±12.6 CT: 52.6% |
| Bethlehem and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.4%Lowest CT: 10% |
11.4%Highest CT: 10% |
10.8% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 70.2% CT: 66.5% |
71.6%Highest CT: 66.5% |
61.9%Lowest CT: 66.5% |
| Typical home builtmedian year | 1976Highest 9 yrs newer than CT |
1968 1 yr newer than CT |
1967Lowest same as CT |
| Getting to work | |||
| Average commuteone way | 29 minHighest 9% above CT |
28 min 5% above CT |
27 minLowest about the CT average |
| Work from home | 13.9%±5 CT: 16% |
11.1%±2.3Lowest CT: 16% |
15.1%±4.8Highest CT: 16% |
| Derby and Bethlehem 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 | #82 of 149 in CT | #136 of 149 in CT | #138 of 149 in CT |
| School district | Regional School District 14 | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Derby School District |
| High school in town | None in town | Killingly High School | 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.