Compare towns
Old Lyme vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Old Lyme has the most people working from home (24.2%).
Killingly has the most affordable homes ($289k median).
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 | Old Lyme | Killingly |
|---|---|---|
| Your priorities | ||
| People | ||
| Population | 7,679Lowest |
17,867Highest |
| Median age | 50.6±3.3Highest 23% above CT |
39.5±3Lowest 4% below CT |
| Kids under 18 | 20.3%±3.1Highest CT: 20.2% |
19.8%±2.3Lowest CT: 20.2% |
| Old Lyme and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||
| Age 65+ | 26.4%±3.1Highest CT: 18.5% |
19.7%±2.4Lowest CT: 18.5% |
| Bachelor’s degree+adults 25+ | 56.5%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 2.4%±1.2Lowest CT: 7.1% |
5.4%±1.9Highest CT: 7.1% |
| Killingly and Old Lyme are within the Census margin of error here, so we can’t say which is really higher. | ||
| Cost of living | ||
| Household incomemedian | $131,899±$11kHighest 38% above CT |
$84,350±$8kLowest 12% below CT |
| Home valuemedian, owner-occupied | $484,200±$21kHighest 32% above CT |
$288,600±$15kLowest 21% below CT |
| Rentmedian gross, monthly | $2,238±$295Highest 50% above CT |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $6,284Highest 5% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 51.6%±17.2Highest CT: 52.6% |
42.8%±10.9Lowest CT: 52.6% |
| Old Lyme and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||
| Below poverty line | 2.9%Lowest CT: 10% |
11.4%Highest CT: 10% |
| Housing | ||
| Homeownersof occupied homes | 88.8%Highest CT: 66.5% |
71.6%Lowest CT: 66.5% |
| Typical home builtmedian year | 1965Lowest 2 yrs older than CT |
1968Highest 1 yr newer than CT |
| Getting to work | ||
| Average commuteone way | 27 minLowest about the CT average |
28 minHighest 5% above CT |
| Work from home | 24.2%±5.7Highest CT: 16% |
11.1%±2.3Lowest CT: 16% |
| Schools | ||
| Public school scoresrank in state, math + reading | #10 of 149 in CT | #136 of 149 in CT |
| School district | Regional School District 18 | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Lyme-Old Lyme High School | Killingly High School |
| Students per teacherat that high school | 9.6Lowest |
11.1Highest |
| On TownTapestry | ||
| Old photos in History | 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.

