Compare towns
Plainfield vs Derby vs Killingly vs Ansonia
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Plainfield has the youngest population (median age 37).
Derby has the most people working from home (15.1%).
Killingly has the most kids (19.8% under 18).
Ansonia has the most renters (41.9% 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 | Plainfield | Derby | Killingly | Ansonia |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 15,141 |
12,487Lowest |
17,867 |
19,033Highest |
| Growth since 20102010 → 2020 census | — | -4.5%Lowest CT: +0.9% |
— | -1.7%Highest CT: +0.9% |
| Median age | 37±4.5Lowest 10% below CT |
46.4±3.1Highest 13% above CT |
39.5±3 4% below CT |
40.1±1.6 about the CT average |
| Kids under 18 | 19.4%±2.6 CT: 20.2% |
14.6%±2.9Lowest CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
18.3%±2.8 CT: 20.2% |
| Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 16.6%±2.4Lowest CT: 18.5% |
21.1%±3.9Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
18.1%±2.7 CT: 18.5% |
| 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+ | 15%Lowest CT: 42.5% |
35.6%Highest CT: 42.5% |
22.9% CT: 42.5% |
21.9% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.6%±1.8 CT: 7.1% |
5.9%±2 CT: 7.1% |
5.4%±1.9Lowest CT: 7.1% |
6.2%±1.8Highest CT: 7.1% |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $76,993±$8kLowest 20% below CT |
$79,500±$11k 17% below CT |
$84,350±$8k 12% below CT |
$85,877±$10kHighest 10% below CT |
| Ansonia and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $272,100±$16k 26% below CT |
$256,700±$21kLowest 30% below CT |
$288,600±$15kHighest 21% below CT |
$287,200±$14k 22% below CT |
| Killingly and Ansonia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,204±$70 19% below CT |
$1,452±$95 about the CT average |
$1,044±$141Lowest 30% below CT |
$1,476±$121Highest about the CT average |
| Ansonia and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $4,209 37% below CT |
$5,510Highest 17% below CT |
$3,922Lowest 41% below CT |
$5,446 18% below CT |
| Renters paying 30%+of income on rent | 39.8%±9.5 CT: 52.6% |
53.9%±12.6Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
39.7%±10Lowest 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 | 8.7%Lowest CT: 10% |
10.8% CT: 10% |
11.4%Highest CT: 10% |
9.4% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 73.6%Highest CT: 66.5% |
61.9% CT: 66.5% |
71.6% CT: 66.5% |
58.1%Lowest CT: 66.5% |
| Typical home builtmedian year | 1971Highest 4 yrs newer than CT |
1967 same as CT |
1968 1 yr newer than CT |
1954Lowest 13 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 27 minLowest about the CT average |
27 min about the CT average |
28 minHighest 5% above CT |
27 min about the CT average |
| Work from home | 10%±4 CT: 16% |
15.1%±4.8Highest CT: 16% |
11.1%±2.3 CT: 16% |
9.1%±2.9Lowest CT: 16% |
| Derby and Killingly 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 | #131 of 149 in CT | #138 of 149 in CT | #136 of 149 in CT | #142 of 149 in CT |
| School district | Plainfield School District | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Connecticut Technical Education and Career System · Ansonia School District |
| High school in town | Plainfield High School | Derby High School | Killingly High School | Emmett O'Brien Technical High School |
| Students per teacherat that high school | 10.3 |
9.7Lowest |
11.1 |
12.2Highest |
| On TownTapestry | ||||
| Old photos in History | None yet | 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.