Compare towns
Killingly vs Griswold vs Avon vs Plainfield
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).
Griswold has the oldest population (median age 48.1).
Avon has the most people working from home (33.7%).
Plainfield has the youngest population (median age 37).
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 | Griswold | Avon | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
11,530Lowest |
18,946Highest |
15,141 |
| Median age | 39.5±3 4% below CT |
48.1±3.9Highest 17% above CT |
44.3±1.7 8% above CT |
37±4.5Lowest 10% below CT |
| Griswold and Avon are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3 CT: 20.2% |
18.5%±3.7Lowest CT: 20.2% |
22.8%±2.7Highest CT: 20.2% |
19.4%±2.6 CT: 20.2% |
| Avon and Killingly 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% |
17.8%±3.5 CT: 18.5% |
22.7%±2.6Highest CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
| Avon 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% |
19.9% CT: 42.5% |
73.1%Highest CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
5.6%±1.1Highest CT: 7.1% |
5.6%±1.8Highest CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $84,350±$8k 12% below CT |
$78,719±$11k 18% below CT |
$154,058±$13kHighest 61% above CT |
$76,993±$8kLowest 20% below CT |
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$275,900±$42k 25% below CT |
$479,700±$20kHighest 31% above CT |
$272,100±$16kLowest 26% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,177±$65 21% below CT |
$1,857±$151Highest 25% above CT |
$1,204±$70 19% below CT |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$4,628 30% below CT |
$9,371Highest 41% above CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
57.5%±15.5 CT: 52.6% |
58.6%±11.9Highest CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
| Avon and Griswold 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% |
7.6% CT: 10% |
4.8%Lowest CT: 10% |
8.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6%Lowest CT: 66.5% |
73.3% CT: 66.5% |
85.4%Highest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1968Lowest 1 yr newer than CT |
1977 10 yrs newer than CT |
1979Highest 12 yrs newer than CT |
1971 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 min 5% above CT |
31 minHighest 17% above CT |
25 minLowest 6% below CT |
27 min about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
9%±3.6Lowest CT: 16% |
33.7%±3.6Highest CT: 16% |
10%±4 CT: 16% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | #118 of 149 in CT | #31 of 149 in CT | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | Avon School District · Capitol Region Education Council | Plainfield School District |
| High school in town | Killingly High School | Griswold High School | Avon High School | Plainfield High School |
| Students per teacherat that high school | 11.1 |
11.5 |
11.7Highest |
10.3Lowest |
| 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.



