Compare towns
Killingly vs Collinsville vs Putnam
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingly has the youngest population (median age 39.5).
Collinsville has the most people working from home (24.5%).
Putnam has the most renters (40.2% 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 | Killingly | Collinsville | Putnam |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867Highest |
3,963Lowest |
9,292 |
| Growth since 20102010 → 2020 census | — | -0.7% CT: +0.9% |
— |
| Median age | 39.5±3Lowest 4% below CT |
49.4±11.4Highest 20% above CT |
43.7±3 6% above CT |
| Collinsville and Putnam are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.8%±2.3 CT: 20.2% |
20.1%±5.7Highest CT: 20.2% |
18.6%±3.6Lowest CT: 20.2% |
| Collinsville 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 CT: 18.5% |
25.6%±7Highest CT: 18.5% |
18.5%±3.1Lowest CT: 18.5% |
| Collinsville and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 22.9% CT: 42.5% |
57%Highest CT: 42.5% |
20%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9Highest CT: 7.1% |
4.7%±3 CT: 7.1% |
3.9%±1.4Lowest CT: 7.1% |
| Killingly and Collinsville 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 12% below CT |
$94,815±$16kHighest about the CT average |
$70,561±$7kLowest 26% below CT |
| Collinsville and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$395,500±$42kHighest 8% above CT |
$269,200±$11kLowest 27% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,455±$322Highest about the CT average |
$1,149±$44 23% below CT |
| Collinsville and Putnam are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $3,922 41% below CT |
$7,349Highest 11% above CT |
$3,860Lowest 42% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
64%±36.4Highest CT: 52.6% |
37.7%±11.6Lowest CT: 52.6% |
| Collinsville and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 11.4% CT: 10% |
7.7%Lowest CT: 10% |
11.5%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 71.6%Highest CT: 66.5% |
70.7% CT: 66.5% |
59.8%Lowest CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1979Highest 12 yrs newer than CT |
1961Lowest 6 yrs older than CT |
| Getting to work | |||
| Average commuteone way | 28 min 5% above CT |
30 minHighest 14% above CT |
25 minLowest 6% below CT |
| Work from home | 11.1%±2.3 CT: 16% |
24.5%±10.7Highest CT: 16% |
9%±2.8Lowest CT: 16% |
| Schools | |||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | — | #128 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | — | Putnam School District |
| High school in town | Killingly High School | — | Putnam High School |
| Students per teacherat that high school | 11.1Highest |
— | 9.5Lowest |
| On TownTapestry | |||
| Old photos in History | 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.

