Compare towns
Plainville vs Griswold vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Plainville has the shortest commute (21 min average).
Griswold has the oldest population (median age 48.1).
Killingly has the youngest population (median age 39.5).
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 | Plainville | Griswold | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,551 |
11,530Lowest |
17,867Highest |
| Median age | 44.3±1.5 8% above CT |
48.1±3.9Highest 17% above CT |
39.5±3Lowest 4% below CT |
| Griswold and Plainville are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 15.6%±2.3Lowest CT: 20.2% |
18.5%±3.7 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
| Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 20.1%±2.8Highest CT: 18.5% |
17.8%±3.5Lowest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
| Plainville and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 30%Highest CT: 42.5% |
19.9%Lowest CT: 42.5% |
22.9% CT: 42.5% |
| Enrolled in collegeshare of residents | 6.2%±1.6Highest CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
| Plainville and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $84,343±$7k 12% below CT |
$78,719±$11kLowest 18% below CT |
$84,350±$8kHighest 12% below CT |
| Killingly and Plainville are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $254,000±$14kLowest 31% below CT |
$275,900±$42k 25% below CT |
$288,600±$15kHighest 21% below CT |
| Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,126±$147 24% below CT |
$1,177±$65Highest 21% below CT |
$1,044±$141Lowest 30% below CT |
| Griswold and Plainville are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $4,798Highest 28% below CT |
$4,628 30% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 40.3%±12.4Lowest CT: 52.6% |
57.5%±15.5Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
| Griswold and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 6.5%Lowest CT: 10% |
7.6% CT: 10% |
11.4%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 67.7%Lowest CT: 66.5% |
73.3%Highest CT: 66.5% |
71.6% CT: 66.5% |
| Typical home builtmedian year | 1971 4 yrs newer than CT |
1977Highest 10 yrs newer than CT |
1968Lowest 1 yr newer than CT |
| Getting to work | |||
| Average commuteone way | 21 minLowest 20% below CT |
31 minHighest 17% above CT |
28 min 5% above CT |
| Work from home | 10.7%±2 CT: 16% |
9%±3.6Lowest CT: 16% |
11.1%±2.3Highest CT: 16% |
| Killingly and Plainville 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 | #89 of 149 in CT | #118 of 149 in CT | #136 of 149 in CT |
| School district | Judicial Centers · Plainville School District | Griswold School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Plainville High School | Griswold High School | Killingly High School |
| Students per teacherat that high school | 11.4 |
11.5Highest |
11.1Lowest |
| On TownTapestry | |||
| Old photos in History | 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.


