Compare towns
Plainfield vs Sullivan vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Plainfield has the youngest population (median age 37).
Sullivan has the most homeowners (93.6%).
Killingly has the most people working from home (11.1%).
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 | Plainfield | Sullivan | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 15,141 |
687Lowest |
17,867Highest |
| Growth since 20102010 → 2020 census | — | -2.8% U.S.: +7.4% |
— |
| Median age | 37±4.5Lowest 5% below U.S. |
46.6±6.5Highest 20% above U.S. |
39.5±3 about the U.S. average |
| Sullivan and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.4%±2.6 U.S.: 22% |
16.3%±5Lowest U.S.: 22% |
19.8%±2.3Highest U.S.: 22% |
| Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 16.6%±2.4Lowest U.S.: 17.2% |
20.5%±3.6Highest U.S.: 17.2% |
19.7%±2.4 U.S.: 17.2% |
| Sullivan and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 15%Lowest U.S.: 35.7% |
28.5%Highest U.S.: 35.7% |
22.9% U.S.: 35.7% |
| Enrolled in collegeshare of residents | 5.6%±1.8Highest U.S.: 6.4% |
3.9%±2.6Lowest U.S.: 6.4% |
5.4%±1.9 U.S.: 6.4% |
| Plainfield and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $76,993±$8kLowest 5% below U.S. |
$106,667±$20kHighest 32% above U.S. |
$84,350±$8k 4% above U.S. |
| Sullivan and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $272,100±$16k 18% below U.S. |
$236,500±$29kLowest 29% below U.S. |
$288,600±$15kHighest 13% below U.S. |
| Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,204±$70 15% below U.S. |
$1,225±$275Highest 13% below U.S. |
$1,044±$141Lowest 26% below U.S. |
| Sullivan and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $4,209 35% above U.S. |
$5,099Highest 63% above U.S. |
$3,922Lowest 26% above U.S. |
| Renters paying 30%+of income on rent | 39.8%±9.5Lowest U.S.: 51.1% |
40%±84.5 U.S.: 51.1% |
42.8%±10.9Highest U.S.: 51.1% |
| Killingly and Sullivan are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 8.7% U.S.: 12.5% |
4.1%Lowest U.S.: 12.5% |
11.4%Highest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 73.6% U.S.: 65.2% |
93.6%Highest U.S.: 65.2% |
71.6%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1971 9 yrs older than U.S. |
1979Highest 1 yr older than U.S. |
1968Lowest 12 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 27 minLowest about the U.S. average |
32 minHighest 22% above U.S. |
28 min 6% above U.S. |
| Work from home | 10%±4 U.S.: 15.1% |
4.2%±2.5Lowest U.S.: 15.1% |
11.1%±2.3Highest U.S.: 15.1% |
| Killingly and Plainfield 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 | #131 of 149 in CT | — | #136 of 149 in CT |
| School district | Plainfield School District | — | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Plainfield High School | — | Killingly High School |
| Students per teacherat that high school | 10.3Lowest |
— | 11.1Highest |
| On TownTapestry | |||
| Old photos in History | 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.