Compare towns
Derby vs Killingly vs Griswold vs Ansonia
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Derby has the most people working from home (15.1%).
Killingly has the most kids (19.8% under 18).
Griswold has the oldest population (median age 48.1).
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 | Derby | Killingly | Griswold | Ansonia |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 12,487 |
17,867 |
11,530Lowest |
19,033Highest |
| Growth since 20102010 → 2020 census | -4.5%Lowest CT: +0.9% |
— | — | -1.7%Highest CT: +0.9% |
| Median age | 46.4±3.1 13% above CT |
39.5±3Lowest 4% below CT |
48.1±3.9Highest 17% above CT |
40.1±1.6 about the CT average |
| Griswold 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 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
18.5%±3.7 CT: 20.2% |
18.3%±2.8 CT: 20.2% |
| Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 21.1%±3.9Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
17.8%±3.5Lowest 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+ | 35.6%Highest CT: 42.5% |
22.9% CT: 42.5% |
19.9%Lowest CT: 42.5% |
21.9% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.9%±2 CT: 7.1% |
5.4%±1.9 CT: 7.1% |
1.8%±1.1Lowest 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 | $79,500±$11k 17% below CT |
$84,350±$8k 12% below CT |
$78,719±$11kLowest 18% 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 | $256,700±$21kLowest 30% below CT |
$288,600±$15kHighest 21% below CT |
$275,900±$42k 25% 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 | $1,452±$95 about the CT average |
$1,044±$141Lowest 30% below CT |
$1,177±$65 21% 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 | $5,510Highest 17% below CT |
$3,922Lowest 41% below CT |
$4,628 30% below CT |
$5,446 18% below CT |
| Renters paying 30%+of income on rent | 53.9%±12.6 CT: 52.6% |
42.8%±10.9 CT: 52.6% |
57.5%±15.5Highest CT: 52.6% |
39.7%±10Lowest CT: 52.6% |
| Griswold and Derby are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 10.8% CT: 10% |
11.4%Highest CT: 10% |
7.6%Lowest CT: 10% |
9.4% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 61.9% CT: 66.5% |
71.6% CT: 66.5% |
73.3%Highest CT: 66.5% |
58.1%Lowest CT: 66.5% |
| Typical home builtmedian year | 1967 same as CT |
1968 1 yr newer than CT |
1977Highest 10 yrs newer than CT |
1954Lowest 13 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 27 min about the CT average |
28 min 5% above CT |
31 minHighest 17% above CT |
27 minLowest about the CT average |
| Work from home | 15.1%±4.8Highest CT: 16% |
11.1%±2.3 CT: 16% |
9%±3.6Lowest CT: 16% |
9.1%±2.9 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 | #138 of 149 in CT | #136 of 149 in CT | #118 of 149 in CT | #142 of 149 in CT |
| School district | Derby School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | Connecticut Technical Education and Career System · Ansonia School District |
| High school in town | Derby High School | Killingly High School | Griswold High School | Emmett O'Brien Technical High School |
| Students per teacherat that high school | 9.7Lowest |
11.1 |
11.5 |
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.