Compare towns
Old Lyme vs Thompson vs Killingworth
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 kids (20.3% under 18).
Thompson has the most affordable homes ($292k median).
Killingworth has the shortest commute (24 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 | Old Lyme | Thompson | Killingworth |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 7,679 |
9,337Highest |
6,240Lowest |
| Median age | 50.6±3.3Lowest 23% above CT |
54.1±2.2Highest 32% above CT |
53.3±4.6 30% above CT |
| Thompson and Killingworth are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 20.3%±3.1Highest CT: 20.2% |
11.4%±2.8Lowest CT: 20.2% |
18.7%±4.6 CT: 20.2% |
| Old Lyme and Killingworth 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% |
24.4%±4.3Lowest CT: 18.5% |
25.5%±4.9 CT: 18.5% |
| Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 56.5%Highest CT: 42.5% |
21.9%Lowest CT: 42.5% |
55.4% CT: 42.5% |
| Enrolled in collegeshare of residents | 2.4%±1.2Lowest CT: 7.1% |
2.9%±1.3 CT: 7.1% |
3.2%±1.5Highest CT: 7.1% |
| Killingworth and Thompson are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $131,899±$11k 38% above CT |
$93,629±$18kLowest about the CT average |
$140,655±$16kHighest 47% above CT |
| Killingworth and Old Lyme are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $484,200±$21kHighest 32% above CT |
$291,900±$24kLowest 20% below CT |
$446,200±$56k 22% above CT |
| Old Lyme and Killingworth are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $2,238±$295Highest 50% above CT |
$1,012±$344Lowest 32% below CT |
— |
| Property taxmedian, yearly | $6,284 5% below CT |
$3,822Lowest 42% below CT |
$6,550Highest about the CT average |
| Renters paying 30%+of income on rent | 51.6%±17.2 CT: 52.6% |
54%±18.7Highest CT: 52.6% |
45.2%±15.8Lowest CT: 52.6% |
| Thompson and Old Lyme 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% |
5.9%Highest CT: 10% |
3% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 88.8% CT: 66.5% |
84.3%Lowest CT: 66.5% |
96.7%Highest CT: 66.5% |
| Typical home builtmedian year | 1965 2 yrs older than CT |
1963Lowest 4 yrs older than CT |
1987Highest 20 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 27 min about the CT average |
32 minHighest 20% above CT |
24 minLowest 10% below CT |
| Work from home | 24.2%±5.7Highest CT: 16% |
13.1%±4.4Lowest CT: 16% |
24%±6.8 CT: 16% |
| Old Lyme and Killingworth 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 | #10 of 149 in CT | #130 of 149 in CT | #29 of 149 in CT |
| School district | Regional School District 18 | Thompson School District | Regional School District 17 |
| High school in town | Lyme-Old Lyme High School | Tourtellotte Memorial High School | None in town |
| Students per teacherat that high school | 9.6Highest |
7.9Lowest |
— |
| 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.