Compare towns
Killingly vs Derby vs Douglas vs Plainville
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).
Douglas has the highest household income ($152k).
Plainville has the shortest commute (21 min average).
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 | Douglas | Plainville |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
12,487 |
9,207Lowest |
17,551 |
| Growth since 20102010 → 2020 census | — | -4.5%Lowest U.S.: +7.4% |
+6%Highest U.S.: +7.4% |
— |
| Median age | 39.5±3Lowest about the U.S. average |
46.4±3.1Highest 19% above U.S. |
44±2.6 13% above U.S. |
44.3±1.5 14% above U.S. |
| Derby and Plainville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3 U.S.: 22% |
14.6%±2.9Lowest U.S.: 22% |
21.2%±3.8Highest U.S.: 22% |
15.6%±2.3 U.S.: 22% |
| Douglas and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4 U.S.: 17.2% |
21.1%±3.9Highest U.S.: 17.2% |
15.4%±3.1Lowest U.S.: 17.2% |
20.1%±2.8 U.S.: 17.2% |
| Derby and Plainville 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% U.S.: 35.7% |
41.7%Highest U.S.: 35.7% |
30% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9Lowest U.S.: 6.4% |
5.9%±2 U.S.: 6.4% |
5.4%±2.3Lowest U.S.: 6.4% |
6.2%±1.6Highest U.S.: 6.4% |
| Plainville and Derby 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 |
$152,267±$10kHighest 89% above U.S. |
$84,343±$7k 4% above U.S. |
| Home valuemedian, owner-occupied | $288,600±$15k 13% below U.S. |
$256,700±$21k 23% below U.S. |
$470,600±$29kHighest 41% above U.S. |
$254,000±$14kLowest 24% below U.S. |
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,452±$95 about the U.S. average |
$1,503±$697Highest 6% above U.S. |
$1,126±$147 20% below U.S. |
| Douglas and Derby 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. |
$5,510 77% above U.S. |
$6,338Highest 103% above U.S. |
$4,798 54% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
53.9%±12.6Highest U.S.: 51.1% |
33.9%±17.4Lowest U.S.: 51.1% |
40.3%±12.4 U.S.: 51.1% |
| Derby and Killingly 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% |
4.8%Lowest U.S.: 12.5% |
6.5% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% U.S.: 65.2% |
61.9%Lowest U.S.: 65.2% |
83.8%Highest U.S.: 65.2% |
67.7% U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1967Lowest 13 yrs older than U.S. |
1986Highest 6 yrs newer than U.S. |
1971 9 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
27 min about the U.S. average |
34 minHighest 28% above U.S. |
21 minLowest 20% below U.S. |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
15.1%±4.8 U.S.: 15.1% |
20.9%±4.9Highest U.S.: 15.1% |
10.7%±2Lowest U.S.: 15.1% |
| Douglas 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 | #177 of 282 in MA | #89 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Derby School District | Douglas | Judicial Centers · Plainville School District |
| High school in town | Killingly High School | Derby High School | Douglas High School | Plainville High School |
| Students per teacherat that high school | 11.1 |
9.7 |
7.2Lowest |
11.4Highest |
| On TownTapestry | ||||
| Old photos in History | None yet | 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.