Compare towns
Derby vs Griswold vs Killingly vs Putnam
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%).
Griswold has the oldest population (median age 48.1).
Killingly has the youngest population (median age 39.5).
Putnam has the shortest commute (25 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 | Derby | Griswold | Killingly | Putnam |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 12,487 |
11,530 |
17,867Highest |
9,292Lowest |
| Growth since 20102010 → 2020 census | -4.5% CT: +0.9% |
— | — | — |
| Median age | 46.4±3.1 13% above CT |
48.1±3.9Highest 17% above CT |
39.5±3Lowest 4% below CT |
43.7±3 6% above CT |
| 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% |
18.5%±3.7 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
18.6%±3.6 CT: 20.2% |
| Killingly and Putnam 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% |
17.8%±3.5Lowest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
18.5%±3.1 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% |
19.9%Lowest CT: 42.5% |
22.9% CT: 42.5% |
20% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.9%±2Highest CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
3.9%±1.4 CT: 7.1% |
| 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±$11k 17% below CT |
$78,719±$11k 18% below CT |
$84,350±$8kHighest 12% below CT |
$70,561±$7kLowest 26% below CT |
| Killingly and Derby 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 |
$275,900±$42k 25% below CT |
$288,600±$15kHighest 21% below CT |
$269,200±$11k 27% below CT |
| Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,452±$95Highest about the CT average |
$1,177±$65 21% below CT |
$1,044±$141Lowest 30% below CT |
$1,149±$44 23% below CT |
| Property taxmedian, yearly | $5,510Highest 17% below CT |
$4,628 30% below CT |
$3,922 41% below CT |
$3,860Lowest 42% below CT |
| Renters paying 30%+of income on rent | 53.9%±12.6 CT: 52.6% |
57.5%±15.5Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
37.7%±11.6Lowest 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% |
7.6%Lowest CT: 10% |
11.4% CT: 10% |
11.5%Highest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 61.9% CT: 66.5% |
73.3%Highest CT: 66.5% |
71.6% CT: 66.5% |
59.8%Lowest CT: 66.5% |
| Typical home builtmedian year | 1967 same as CT |
1977Highest 10 yrs newer than CT |
1968 1 yr newer than CT |
1961Lowest 6 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 27 min about the CT average |
31 minHighest 17% above CT |
28 min 5% above CT |
25 minLowest 6% below CT |
| Work from home | 15.1%±4.8Highest CT: 16% |
9%±3.6Lowest CT: 16% |
11.1%±2.3 CT: 16% |
9%±2.8Lowest 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 | #118 of 149 in CT | #136 of 149 in CT | #128 of 149 in CT |
| School district | Derby School District | Griswold School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Putnam School District |
| High school in town | Derby High School | Griswold High School | Killingly High School | Putnam High School |
| Students per teacherat that high school | 9.7 |
11.5Highest |
11.1 |
9.5Lowest |
| On TownTapestry | ||||
| Old photos in Our Story | 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.