Compare towns
Killingly vs Derby vs Southwick
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Killingly has the youngest population (median age 39.5).
Derby has the most renters (38.1% rent).
Southwick has the highest household income ($120k).
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 | Southwick |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
12,487 |
9,217Lowest |
| Growth since 20102010 → 2020 census | — | -4.5%Lowest U.S.: +7.4% |
-2.8%Highest U.S.: +7.4% |
| Median age | 39.5±3Lowest about the U.S. average |
46.4±3.1 19% above U.S. |
46.8±1.8Highest 20% above U.S. |
| Southwick 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 U.S.: 22% |
14.6%±2.9Lowest U.S.: 22% |
18.2%±3 U.S.: 22% |
| Killingly and Southwick are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 19.7%±2.4Lowest U.S.: 17.2% |
21.1%±3.9Highest U.S.: 17.2% |
21%±3.4 U.S.: 17.2% |
| Derby and Southwick 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 U.S.: 35.7% |
35.6%Highest U.S.: 35.7% |
35.1% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
5.9%±2Highest U.S.: 6.4% |
4.5%±1.7Lowest 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 | $84,350±$8k 4% above U.S. |
$79,500±$11kLowest about the U.S. average |
$120,462±$16kHighest 49% above U.S. |
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$256,700±$21kLowest 23% below U.S. |
$397,500±$27kHighest 19% above U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,452±$95Highest about the U.S. average |
$1,332±$72 6% below U.S. |
| Derby and Southwick are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $3,922Lowest 26% above U.S. |
$5,510Highest 77% above U.S. |
$5,331 71% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9Lowest U.S.: 51.1% |
53.9%±12.6Highest U.S.: 51.1% |
51%±10 U.S.: 51.1% |
| Derby and Southwick are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 11.4%Highest U.S.: 12.5% |
10.8% U.S.: 12.5% |
4%Lowest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 71.6% U.S.: 65.2% |
61.9%Lowest U.S.: 65.2% |
83.4%Highest U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1967Lowest 13 yrs older than U.S. |
1978Highest 2 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 28 min 6% above U.S. |
27 minLowest about the U.S. average |
29 minHighest 8% above U.S. |
| Work from home | 11.1%±2.3Lowest U.S.: 15.1% |
15.1%±4.8 U.S.: 15.1% |
16.2%±5.1Highest U.S.: 15.1% |
| Southwick 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 | #136 of 149 in CT | #138 of 149 in CT | #211 of 282 in MA |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Derby School District | Southwick-Tolland-Granville Regional School District |
| High school in town | Killingly High School | Derby High School | Southwick Regional School |
| Students per teacherat that high school | 11.1Highest |
9.7Lowest |
11.0 |
| 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.