Compare towns
Killingworth vs Prospect vs Old Lyme
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingworth has the shortest commute (24 min average).
Prospect has the most affordable homes ($355k median).
Old Lyme has the most expensive homes ($484k 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 | Killingworth | Prospect | Old Lyme |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 6,240Lowest |
9,458Highest |
7,679 |
| Median age | 53.3±4.6Highest 30% above CT |
46.8±3.9Lowest 14% above CT |
50.6±3.3 23% above CT |
| Killingworth and Old Lyme are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 18.7%±4.6Lowest CT: 20.2% |
21.4%±4.1Highest CT: 20.2% |
20.3%±3.1 CT: 20.2% |
| Prospect and Old Lyme are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 25.5%±4.9 CT: 18.5% |
24.5%±4.3Lowest CT: 18.5% |
26.4%±3.1Highest 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+ | 55.4% CT: 42.5% |
40.3%Lowest CT: 42.5% |
56.5%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 3.2%±1.5 CT: 7.1% |
3.5%±1.8Highest CT: 7.1% |
2.4%±1.2Lowest CT: 7.1% |
| Prospect and Killingworth are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $140,655±$16kHighest 47% above CT |
$126,394±$18kLowest 32% above CT |
$131,899±$11k 38% 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 | $446,200±$56k 22% above CT |
$355,400±$21kLowest 3% below CT |
$484,200±$21kHighest 32% 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 | — | $1,800±$433Lowest 21% above CT |
$2,238±$295Highest 50% above CT |
| Old Lyme and Prospect are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $6,550Highest about the CT average |
$6,504 about the CT average |
$6,284Lowest 5% below CT |
| Renters paying 30%+of income on rent | 45.2%±15.8Lowest CT: 52.6% |
45.3%±31.8 CT: 52.6% |
51.6%±17.2Highest CT: 52.6% |
| Old Lyme and Prospect are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 3% CT: 10% |
3.2%Highest CT: 10% |
2.9%Lowest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 96.7%Highest CT: 66.5% |
93.5% CT: 66.5% |
88.8%Lowest CT: 66.5% |
| Typical home builtmedian year | 1987Highest 20 yrs newer than CT |
1974 7 yrs newer than CT |
1965Lowest 2 yrs older than CT |
| Getting to work | |||
| Average commuteone way | 24 minLowest 10% below CT |
28 minHighest 4% above CT |
27 min about the CT average |
| Work from home | 24%±6.8 CT: 16% |
10.1%±3.2Lowest CT: 16% |
24.2%±5.7Highest 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 | #29 of 149 in CT | #50 of 149 in CT | #10 of 149 in CT |
| School district | Regional School District 17 | Regional School District 16 | Regional School District 18 |
| High school in town | None in town | None in town | Lyme-Old Lyme High School |
| Students per teacherat that high school | — | — | 9.6 |
| 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.