Compare towns
Killingly vs Plainfield vs Ellington vs Seymour
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 most renters (28.4% rent).
Plainfield has the youngest population (median age 37).
Ellington has the most kids (24% under 18).
Seymour has the oldest population (median age 41.6).
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 | Plainfield | Ellington | Seymour |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
15,141Lowest |
16,455 |
16,889 |
| Median age | 39.5±3 4% below CT |
37±4.5Lowest 10% below CT |
40.9±2.4 about the CT average |
41.6±3Highest about the CT average |
| Seymour and Ellington are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3 CT: 20.2% |
19.4%±2.6 CT: 20.2% |
24%±3.2Highest CT: 20.2% |
19.3%±3.9Lowest CT: 20.2% |
| Ellington and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 19.7%±2.4Highest CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
18.8%±2.8 CT: 18.5% |
16.8%±2.4 CT: 18.5% |
| Killingly and Ellington are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 22.9% CT: 42.5% |
15%Lowest CT: 42.5% |
51.4%Highest CT: 42.5% |
33.3% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9Lowest CT: 7.1% |
5.6%±1.8 CT: 7.1% |
6%±2.2 CT: 7.1% |
6.4%±2.1Highest CT: 7.1% |
| Seymour and Ellington 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 |
$76,993±$8kLowest 20% below CT |
$129,913±$17kHighest 36% above CT |
$107,708±$15k 12% above CT |
| Ellington 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 |
$272,100±$16kLowest 26% below CT |
$366,900±$17k about the CT average |
$370,000±$19kHighest about the CT average |
| Seymour and Ellington are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,204±$70 19% below CT |
$1,737±$212Highest 17% above CT |
$1,608±$86 8% above CT |
| Ellington 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 |
$4,209 37% below CT |
$6,751Highest about the CT average |
$6,635 about the CT average |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
45.5%±10.3Highest CT: 52.6% |
45.2%±17.3 CT: 52.6% |
| Ellington and Seymour 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% |
8.7% CT: 10% |
2.4%Lowest CT: 10% |
6.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest CT: 66.5% |
73.6% CT: 66.5% |
72.2% CT: 66.5% |
74.2%Highest CT: 66.5% |
| Typical home builtmedian year | 1968Lowest 1 yr newer than CT |
1971 4 yrs newer than CT |
1982Highest 15 yrs newer than CT |
1973 6 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
27 minLowest about the CT average |
31 min 18% above CT |
32 minHighest 21% above CT |
| Work from home | 11.1%±2.3 CT: 16% |
10%±4Lowest CT: 16% |
18.4%±3.9Highest CT: 16% |
16.4%±3.5 CT: 16% |
| Ellington 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 | #131 of 149 in CT | #46 of 149 in CT | #105 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Plainfield School District | Ellington School District | Seymour School District |
| High school in town | Killingly High School | Plainfield High School | Ellington High School | Seymour High School |
| Students per teacherat that high school | 11.1 |
10.3Lowest |
10.3Lowest |
11.8Highest |
| 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.



