Compare towns
Derby vs Killingly vs Foster
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Derby has the most renters (38.1% rent).
Killingly has the youngest population (median age 39.5).
Foster has the most expensive homes ($425k median).
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 | Derby | Killingly | Foster |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 12,487 |
17,867Highest |
4,523Lowest |
| Growth since 20102010 → 2020 census | -4.5%Lowest U.S.: +7.4% |
— | -3%Highest U.S.: +7.4% |
| Median age | 46.4±3.1 19% above U.S. |
39.5±3Lowest about the U.S. average |
47.1±3Highest 21% above U.S. |
| Foster and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 14.6%±2.9Lowest U.S.: 22% |
19.8%±2.3Highest U.S.: 22% |
18.7%±4.4 U.S.: 22% |
| Killingly and Foster are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 21.1%±3.9Highest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
18.5%±3.2Lowest U.S.: 17.2% |
| Derby and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 35.6% U.S.: 35.7% |
22.9%Lowest U.S.: 35.7% |
36.9%Highest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.9%±2Highest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
4.1%±2.2Lowest U.S.: 6.4% |
| 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 | $79,500±$11kLowest about the U.S. average |
$84,350±$8k 4% above U.S. |
$113,646±$18kHighest 41% above U.S. |
| Home valuemedian, owner-occupied | $256,700±$21kLowest 23% below U.S. |
$288,600±$15k 13% below U.S. |
$425,300±$30kHighest 28% above U.S. |
| Rentmedian gross, monthly | $1,452±$95 about the U.S. average |
$1,044±$141Lowest 26% below U.S. |
$1,509±$556Highest 7% above U.S. |
| Foster and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $5,510 77% above U.S. |
$3,922Lowest 26% above U.S. |
$7,135Highest 129% above U.S. |
| Renters paying 30%+of income on rent | 53.9%±12.6 U.S.: 51.1% |
42.8%±10.9Lowest U.S.: 51.1% |
65.8%±25.5Highest U.S.: 51.1% |
| Foster and Derby are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.8% U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
4.7%Lowest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 61.9%Lowest U.S.: 65.2% |
71.6% U.S.: 65.2% |
91.4%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1967Lowest 13 yrs older than U.S. |
1968 12 yrs older than U.S. |
1975Highest 5 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 27 minLowest about the U.S. average |
28 min 6% above U.S. |
33 minHighest 26% above U.S. |
| Work from home | 15.1%±4.8 U.S.: 15.1% |
11.1%±2.3Lowest U.S.: 15.1% |
17.7%±4.9Highest U.S.: 15.1% |
| Foster 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 | #138 of 149 in CT | #136 of 149 in CT | #22 of 38 in RI |
| School district | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Foster |
| High school in town | Derby High School | Killingly High School | None in town |
| Students per teacherat that high school | 9.7Lowest |
11.1Highest |
— |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
U.S. 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.