Compare towns
Killingly vs Lyme vs Seymour vs Plainville
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Killingly has the youngest population (median age 39.5).
Lyme has the most expensive homes ($630k median).
Plainville has the shortest commute (21 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 | Killingly | Lyme | Seymour | Plainville |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
2,303Lowest |
16,889 |
17,551 |
| Median age | 39.5±3Lowest 4% below CT |
55.6±3.3Highest 35% above CT |
41.6±3 about the CT average |
44.3±1.5 8% above CT |
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
13.1%±2.4Lowest CT: 20.2% |
19.3%±3.9 CT: 20.2% |
15.6%±2.3 CT: 20.2% |
| Killingly and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4 CT: 18.5% |
30.7%±4.5Highest CT: 18.5% |
16.8%±2.4Lowest CT: 18.5% |
20.1%±2.8 CT: 18.5% |
| Bachelor’s degree+adults 25+ | 22.9%Lowest CT: 42.5% |
63.5%Highest CT: 42.5% |
33.3% CT: 42.5% |
30% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
2.2%±1.4Lowest CT: 7.1% |
6.4%±2.1Highest CT: 7.1% |
6.2%±1.6 CT: 7.1% |
| Seymour and Plainville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 12% below CT |
$135,000±$22kHighest 41% above CT |
$107,708±$15k 12% above CT |
$84,343±$7kLowest 12% below CT |
| Lyme and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$629,900±$105kHighest 72% above CT |
$370,000±$19k about the CT average |
$254,000±$14kLowest 31% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,719±$1kHighest 16% above CT |
$1,608±$86 8% above CT |
$1,126±$147 24% below CT |
| Lyme and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$7,328Highest 10% above CT |
$6,635 about the CT average |
$4,798 28% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
32.9%±44.3Lowest CT: 52.6% |
45.2%±17.3Highest CT: 52.6% |
40.3%±12.4 CT: 52.6% |
| Seymour and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 11.4%Highest CT: 10% |
2.9%Lowest CT: 10% |
6.7% CT: 10% |
6.5% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
90.8%Highest CT: 66.5% |
74.2% CT: 66.5% |
67.7%Lowest CT: 66.5% |
| Typical home builtmedian year | 1968 1 yr newer than CT |
1967Lowest same as CT |
1973Highest 6 yrs newer than CT |
1971 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
31 min 17% above CT |
32 minHighest 21% above CT |
21 minLowest 20% below CT |
| Work from home | 11.1%±2.3 CT: 16% |
27.6%±10Highest CT: 16% |
16.4%±3.5 CT: 16% |
10.7%±2Lowest CT: 16% |
| Lyme and Seymour 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 | #136 of 149 in CT | — | #105 of 149 in CT | #89 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Regional School District 18 | Seymour School District | Judicial Centers · Plainville School District |
| High school in town | Killingly High School | None in town | Seymour High School | Plainville High School |
| Students per teacherat that high school | 11.1Lowest |
— | 11.8Highest |
11.4 |
| 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.