Compare towns
Killingly vs Plainfield vs Mansfield 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 kids (19.8% under 18).
Plainfield has the most affordable homes ($272k median).
Mansfield has the most people working from home (28.3%).
Seymour has the highest household income ($108k).
Mansfield is a college town. 57% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.
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 | Mansfield | Seymour |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
15,141Lowest |
25,358Highest |
16,889 |
| Median age | 39.5±3 4% below CT |
37±4.5 10% below CT |
21.2±0.2Lowest 48% below CT |
41.6±3Highest about the CT average |
| Seymour and Killingly 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% |
9.2%±1.6Lowest 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%±2.4Highest CT: 18.5% |
16.6%±2.4 CT: 18.5% |
11%±1.5Lowest CT: 18.5% |
16.8%±2.4 CT: 18.5% |
| Killingly and Seymour 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% |
57.9%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% |
57%±2.5Highest CT: 7.1% |
6.4%±2.1 CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 12% below CT |
$76,993±$8k 20% below CT |
$72,393±$12kLowest 24% below CT |
$107,708±$15kHighest 12% above CT |
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$272,100±$16kLowest 26% below CT |
$335,400±$20k 9% below CT |
$370,000±$19kHighest about the CT average |
| Seymour and Mansfield 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 |
$1,602±$104 8% above CT |
$1,608±$86Highest 8% above CT |
| Seymour and Mansfield 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 |
$5,727 14% below CT |
$6,635Highest about the CT average |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
76%±9.6Highest CT: 52.6% |
45.2%±17.3 CT: 52.6% |
| Below poverty line | 11.4% CT: 10% |
8.7% CT: 10% |
21.6%Highest CT: 10% |
6.7%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
73.6% CT: 66.5% |
57.3%Lowest 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 |
1976Highest 9 yrs newer than CT |
1973 6 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
27 min about the CT average |
21 minLowest 22% below CT |
32 minHighest 21% above CT |
| Work from home | 11.1%±2.3 CT: 16% |
10%±4Lowest CT: 16% |
28.3%±3.3Highest CT: 16% |
16.4%±3.5 CT: 16% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | #131 of 149 in CT | #45 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 | Regional School District 19 · Mansfield School District | Seymour School District |
| High school in town | Killingly High School | Plainfield High School | E. O. Smith High School | Seymour High School |
| Students per teacherat that high school | 11.1 |
10.3Lowest |
11.8Highest |
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.