Compare towns
Colchester vs Griswold vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Colchester has the most people working from home (18.4%).
Griswold has the oldest population (median age 48.1).
Killingly has the youngest population (median age 39.5).
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 | Colchester | Griswold | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 15,648 |
11,530Lowest |
17,867Highest |
| Median age | 43.5±3.8 6% above CT |
48.1±3.9Highest 17% above CT |
39.5±3Lowest 4% below CT |
| Griswold and Colchester are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 20.7%±2.8Highest CT: 20.2% |
18.5%±3.7Lowest CT: 20.2% |
19.8%±2.3 CT: 20.2% |
| Colchester and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 20.3%±2.4Highest CT: 18.5% |
17.8%±3.5Lowest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
| Colchester and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 49.7%Highest CT: 42.5% |
19.9%Lowest CT: 42.5% |
22.9% CT: 42.5% |
| Enrolled in collegeshare of residents | 4.6%±1.3 CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
5.4%±1.9Highest CT: 7.1% |
| Killingly and Colchester are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $122,390±$14kHighest 28% above CT |
$78,719±$11kLowest 18% below CT |
$84,350±$8k 12% below CT |
| Home valuemedian, owner-occupied | $366,800±$16kHighest about the CT average |
$275,900±$42kLowest 25% below CT |
$288,600±$15k 21% below CT |
| Rentmedian gross, monthly | $1,474±$153Highest about the CT average |
$1,177±$65 21% below CT |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $6,212Highest 6% below CT |
$4,628 30% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 44.4%±10.4 CT: 52.6% |
57.5%±15.5Highest CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
| Griswold and Colchester are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 3.9%Lowest CT: 10% |
7.6% CT: 10% |
11.4%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 76.5%Highest CT: 66.5% |
73.3% CT: 66.5% |
71.6%Lowest CT: 66.5% |
| Typical home builtmedian year | 1984Highest 17 yrs newer than CT |
1977 10 yrs newer than CT |
1968Lowest 1 yr newer than CT |
| Getting to work | |||
| Average commuteone way | 30 min 14% above CT |
31 minHighest 17% above CT |
28 minLowest 5% above CT |
| Work from home | 18.4%±3.8Highest CT: 16% |
9%±3.6Lowest CT: 16% |
11.1%±2.3 CT: 16% |
| Schools | |||
| Public school scoresrank in state, math + reading | #64 of 149 in CT | #118 of 149 in CT | #136 of 149 in CT |
| School district | Colchester School District | Griswold School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Bacon Academy | Griswold High School | Killingly High School |
| Students per teacherat that high school | 9.8Lowest |
11.5Highest |
11.1 |
| 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.