Compare towns
Killingly vs Petersham vs Plainville vs Seymour
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Killingly has the youngest population (median age 39.5).
Petersham has the oldest population (median age 56.3).
Plainville has the shortest commute (21 min average).
Seymour has the most people working from home (16.4%).
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 | Petersham | Plainville | Seymour |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867Highest |
1,185Lowest |
17,551 |
16,889 |
| Growth since 20102010 → 2020 census | — | -3.2% U.S.: +7.4% |
— | — |
| Median age | 39.5±3Lowest about the U.S. average |
56.3±2.7Highest 45% above U.S. |
44.3±1.5 14% above U.S. |
41.6±3 7% above U.S. |
| Kids under 18 | 19.8%±2.3Highest U.S.: 22% |
12.7%±2.5Lowest U.S.: 22% |
15.6%±2.3 U.S.: 22% |
19.3%±3.9 U.S.: 22% |
| 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 U.S.: 17.2% |
30.5%±4.7Highest U.S.: 17.2% |
20.1%±2.8 U.S.: 17.2% |
16.8%±2.4Lowest U.S.: 17.2% |
| Bachelor’s degree+adults 25+ | 22.9%Lowest U.S.: 35.7% |
42.6%Highest U.S.: 35.7% |
30% U.S.: 35.7% |
33.3% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.4%±1.9 U.S.: 6.4% |
4%±1.7Lowest U.S.: 6.4% |
6.2%±1.6 U.S.: 6.4% |
6.4%±2.1Highest U.S.: 6.4% |
| 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 4% above U.S. |
$110,750±$20kHighest 37% above U.S. |
$84,343±$7kLowest 4% above U.S. |
$107,708±$15k 33% above U.S. |
| Petersham 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 13% below U.S. |
$392,400±$20kHighest 18% above U.S. |
$254,000±$14kLowest 24% below U.S. |
$370,000±$19k 11% above U.S. |
| Petersham and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,044±$141Lowest 26% below U.S. |
$1,679±$441Highest 19% above U.S. |
$1,126±$147 20% below U.S. |
$1,608±$86 14% above U.S. |
| Petersham and Seymour are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $3,922Lowest 26% above U.S. |
$4,636 49% above U.S. |
$4,798 54% above U.S. |
$6,635Highest 113% above U.S. |
| Renters paying 30%+of income on rent | 42.8%±10.9 U.S.: 51.1% |
20%±100Lowest U.S.: 51.1% |
40.3%±12.4 U.S.: 51.1% |
45.2%±17.3Highest U.S.: 51.1% |
| 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 U.S.: 12.5% |
8.8% U.S.: 12.5% |
6.5%Lowest U.S.: 12.5% |
6.7% U.S.: 12.5% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% U.S.: 65.2% |
94.2%Highest U.S.: 65.2% |
67.7%Lowest U.S.: 65.2% |
74.2% U.S.: 65.2% |
| Typical home builtmedian year | 1968 12 yrs older than U.S. |
1962Lowest 18 yrs older than U.S. |
1971 9 yrs older than U.S. |
1973Highest 7 yrs older than U.S. |
| Getting to work | ||||
| Average commuteone way | 28 min 6% above U.S. |
39 minHighest 46% above U.S. |
21 minLowest 20% below U.S. |
32 min 21% above U.S. |
| Work from home | 11.1%±2.3 U.S.: 15.1% |
16.2%±5.8 U.S.: 15.1% |
10.7%±2Lowest U.S.: 15.1% |
16.4%±3.5Highest U.S.: 15.1% |
| Seymour and Petersham 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 | — | #89 of 149 in CT | #105 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Petersham | Judicial Centers · Plainville School District | Seymour School District |
| High school in town | Killingly High School | None in town | Plainville High School | Seymour High School |
| Students per teacherat that high school | 11.1Lowest |
— | 11.4 |
11.8Highest |
| On TownTapestry | ||||
| Old photos in History | None yet | None yet | None yet | None yet |
U.S. 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.