Compare towns
Union vs Thompson vs Killingly vs Colebrook
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Union has the most homeowners (92.9%).
Thompson has the most people working from home (13.1%).
Killingly has the youngest population (median age 39.5).
Colebrook has the highest household income ($111k).
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 | Union | Thompson | Killingly | Colebrook |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 944Lowest |
9,337 |
17,867Highest |
1,494 |
| Median age | 49.9±4.3 21% above CT |
54.1±2.2Highest 32% above CT |
39.5±3Lowest 4% below CT |
52.1±5 27% above CT |
| Thompson and Colebrook are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 16.9%±4.3 CT: 20.2% |
11.4%±2.8Lowest CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
17.9%±3.9 CT: 20.2% |
| Killingly and Colebrook are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 24.5%±2.6 CT: 18.5% |
24.4%±4.3 CT: 18.5% |
19.7%±2.4Lowest CT: 18.5% |
26%±4.2Highest CT: 18.5% |
| Colebrook and Union are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 24% CT: 42.5% |
21.9%Lowest CT: 42.5% |
22.9% CT: 42.5% |
36.6%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 5%±3.3 CT: 7.1% |
2.9%±1.3Lowest CT: 7.1% |
5.4%±1.9Highest CT: 7.1% |
5.4%±1.8Highest CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $88,958±$14k 7% below CT |
$93,629±$18k about the CT average |
$84,350±$8kLowest 12% below CT |
$111,250±$17kHighest 16% above CT |
| Colebrook and Thompson are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $330,400±$26k 10% below CT |
$291,900±$24k 20% below CT |
$288,600±$15kLowest 21% below CT |
$342,800±$19kHighest 7% below CT |
| Colebrook and Union are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | — | $1,012±$344Lowest 32% below CT |
$1,044±$141 30% below CT |
$1,333±$626Highest 10% below CT |
| Colebrook and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $4,793 28% below CT |
$3,822Lowest 42% below CT |
$3,922 41% below CT |
$6,211Highest 7% below CT |
| Renters paying 30%+of income on rent | 90%±64.7Highest CT: 52.6% |
54%±18.7 CT: 52.6% |
42.8%±10.9 CT: 52.6% |
42.1%±55Lowest CT: 52.6% |
| Union and Thompson are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 5.7%Lowest CT: 10% |
5.9% CT: 10% |
11.4%Highest CT: 10% |
8.3% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 92.9%Highest CT: 66.5% |
84.3% CT: 66.5% |
71.6%Lowest CT: 66.5% |
91.6% CT: 66.5% |
| Typical home builtmedian year | 1976Highest 9 yrs newer than CT |
1963 4 yrs older than CT |
1968 1 yr newer than CT |
1960Lowest 7 yrs older than CT |
| Getting to work | ||||
| Average commuteone way | 32 min 20% above CT |
32 min 20% above CT |
28 minLowest 5% above CT |
34 minHighest 29% above CT |
| Work from home | 9%±3.7 CT: 16% |
13.1%±4.4Highest CT: 16% |
11.1%±2.3 CT: 16% |
7%±3.8Lowest CT: 16% |
| Thompson 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 | — | #130 of 149 in CT | #136 of 149 in CT | — |
| School district | Union School District | Thompson School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Colebrook School District |
| High school in town | None in town | Tourtellotte Memorial High School | Killingly High School | None in town |
| Students per teacherat that high school | — | 7.9Lowest |
11.1Highest |
— |
| 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.



