Compare towns
Killingly vs Plainfield vs Columbia 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).
Columbia has the most people working from home (21.6%).
Seymour has the most expensive homes ($370k 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 | Killingly | Plainfield | Columbia | Seymour |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
15,141 |
5,300Lowest |
16,889 |
| Median age | 39.5±3 4% below CT |
37±4.5Lowest 10% below CT |
51.3±10.3Highest 25% above CT |
41.6±3 about the CT average |
| Columbia and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
19.4%±2.6 CT: 20.2% |
13.7%±4.3Lowest CT: 20.2% |
19.3%±3.9 CT: 20.2% |
| Killingly and Plainfield 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% |
16.6%±2.4Lowest CT: 18.5% |
24.9%±5.4Highest CT: 18.5% |
16.8%±2.4 CT: 18.5% |
| Columbia and Killingly 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% |
34.6%Highest CT: 42.5% |
33.3% CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
5.6%±1.8 CT: 7.1% |
4.8%±2.5Lowest CT: 7.1% |
6.4%±2.1Highest CT: 7.1% |
| Seymour and Plainfield 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 |
$127,000±$30kHighest 33% above CT |
$107,708±$15k 12% above CT |
| Columbia 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 |
$361,500±$16k about the CT average |
$370,000±$19kHighest about the CT average |
| Seymour and Columbia are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141 30% below CT |
$1,204±$70 19% below CT |
$966±$304Lowest 35% below CT |
$1,608±$86Highest 8% above CT |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$4,209 37% below CT |
$5,228 21% below CT |
$6,635Highest about the CT average |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
39.8%±9.5 CT: 52.6% |
17.6%±16.2Lowest CT: 52.6% |
45.2%±17.3Highest 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% |
8.7% CT: 10% |
6.1%Lowest CT: 10% |
6.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest CT: 66.5% |
73.6% CT: 66.5% |
83.3%Highest CT: 66.5% |
74.2% CT: 66.5% |
| Typical home builtmedian year | 1968Lowest 1 yr newer than CT |
1971 4 yrs newer than CT |
1984Highest 17 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 |
32 minHighest 21% above CT |
32 minHighest 21% above CT |
| Work from home | 11.1%±2.3 CT: 16% |
10%±4Lowest CT: 16% |
21.6%±6Highest CT: 16% |
16.4%±3.5 CT: 16% |
| Columbia 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 | #114 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 | Columbia School District | Seymour School District |
| High school in town | Killingly High School | Plainfield High School | None in town | Seymour High School |
| Students per teacherat that high school | 11.1 |
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.