Compare towns
Collinsville vs Killingly vs Plainfield vs Avon
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Collinsville has the oldest population (median age 49.4).
Killingly has the oldest housing (typical home built 1968).
Plainfield has the youngest population (median age 37).
Avon has the highest household income ($154k).
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 | Collinsville | Killingly | Plainfield | Avon |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 3,963Lowest |
17,867 |
15,141 |
18,946Highest |
| Growth since 20102010 → 2020 census | -0.7% CT: +0.9% |
— | — | — |
| Median age | 49.4±11.4Highest 20% above CT |
39.5±3 4% below CT |
37±4.5Lowest 10% below CT |
44.3±1.7 8% above CT |
| Collinsville and Avon are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 20.1%±5.7 CT: 20.2% |
19.8%±2.3 CT: 20.2% |
19.4%±2.6Lowest CT: 20.2% |
22.8%±2.7Highest CT: 20.2% |
| Avon and Collinsville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 25.6%±7Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
22.7%±2.6 CT: 18.5% |
| Collinsville and Avon are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 57% CT: 42.5% |
22.9% CT: 42.5% |
15%Lowest CT: 42.5% |
73.1%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 4.7%±3Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
5.6%±1.8Highest CT: 7.1% |
5.6%±1.1Highest CT: 7.1% |
| Cost of living | ||||
| Household incomemedian | $94,815±$16k about the CT average |
$84,350±$8k 12% below CT |
$76,993±$8kLowest 20% below CT |
$154,058±$13kHighest 61% above CT |
| Home valuemedian, owner-occupied | $395,500±$42k 8% above CT |
$288,600±$15k 21% below CT |
$272,100±$16kLowest 26% below CT |
$479,700±$20kHighest 31% above CT |
| Rentmedian gross, monthly | $1,455±$322 about the CT average |
$1,044±$141Lowest 30% below CT |
$1,204±$70 19% below CT |
$1,857±$151Highest 25% above CT |
| Avon and Collinsville are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $7,349 11% above CT |
$3,922Lowest 41% below CT |
$4,209 37% below CT |
$9,371Highest 41% above CT |
| Renters paying 30%+of income on rent | 64%±36.4Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
39.8%±9.5Lowest CT: 52.6% |
58.6%±11.9 CT: 52.6% |
| Collinsville and Avon are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 7.7% CT: 10% |
11.4%Highest CT: 10% |
8.7% CT: 10% |
4.8%Lowest CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 70.7%Lowest CT: 66.5% |
71.6% CT: 66.5% |
73.6% CT: 66.5% |
85.4%Highest CT: 66.5% |
| Typical home builtmedian year | 1979Highest 12 yrs newer than CT |
1968Lowest 1 yr newer than CT |
1971 4 yrs newer than CT |
1979Highest 12 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 30 minHighest 14% above CT |
28 min 5% above CT |
27 min about the CT average |
25 minLowest 6% below CT |
| Work from home | 24.5%±10.7 CT: 16% |
11.1%±2.3 CT: 16% |
10%±4Lowest CT: 16% |
33.7%±3.6Highest CT: 16% |
| Avon and Collinsville 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 | #131 of 149 in CT | #31 of 149 in CT |
| School district | — | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Plainfield School District | Avon School District · Capitol Region Education Council |
| High school in town | — | Killingly High School | Plainfield High School | Avon High School |
| Students per teacherat that high school | — | 11.1 |
10.3Lowest |
11.7Highest |
| 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.