Compare towns
Killingly vs Suffield vs Rocky Hill 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 kids (19.8% under 18).
Suffield has the most expensive homes ($408k median).
Rocky Hill has the shortest commute (21 min average).
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 | Suffield | Rocky Hill | Plainfield |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 17,867 |
15,702 |
20,880Highest |
15,141Lowest |
| Median age | 39.5±3 4% below CT |
44.5±1.7Highest 8% above CT |
43.2±1.8 5% above CT |
37±4.5Lowest 10% below CT |
| Suffield and Rocky Hill are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±2.3Highest CT: 20.2% |
16.2%±2Lowest CT: 20.2% |
16.8%±2.2 CT: 20.2% |
19.4%±2.6 CT: 20.2% |
| Killingly and Plainfield 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% |
18.4%±2.2 CT: 18.5% |
22.7%±2.8Highest CT: 18.5% |
16.6%±2.4Lowest CT: 18.5% |
| Rocky Hill 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% |
40.4% CT: 42.5% |
45.3%Highest CT: 42.5% |
15%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
4.4%±1.2Lowest CT: 7.1% |
4.9%±1.4 CT: 7.1% |
5.6%±1.8Highest CT: 7.1% |
| 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 | $84,350±$8k 12% below CT |
$119,472±$13kHighest 25% above CT |
$99,941±$9k 4% above CT |
$76,993±$8kLowest 20% below CT |
| Suffield and Rocky Hill are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $288,600±$15k 21% below CT |
$407,500±$26kHighest 11% above CT |
$337,300±$17k 8% below CT |
$272,100±$16kLowest 26% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,424±$141 4% below CT |
$1,783±$54Highest 20% above CT |
$1,204±$70 19% below CT |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$6,456Highest about the CT average |
$6,298 5% below CT |
$4,209 37% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9 CT: 52.6% |
51%±4.6Highest CT: 52.6% |
33.6%±8Lowest CT: 52.6% |
39.8%±9.5 CT: 52.6% |
| Suffield 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 CT: 10% |
4.6%Lowest CT: 10% |
4.8% CT: 10% |
8.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 71.6% CT: 66.5% |
86.7%Highest CT: 66.5% |
68.3%Lowest CT: 66.5% |
73.6% CT: 66.5% |
| Typical home builtmedian year | 1968Lowest 1 yr newer than CT |
1979Highest 12 yrs newer than CT |
1979Highest 12 yrs newer than CT |
1971 4 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 28 minHighest 5% above CT |
26 min 3% below CT |
21 minLowest 22% below CT |
27 min about the CT average |
| Work from home | 11.1%±2.3 CT: 16% |
18.4%±4.1Highest CT: 16% |
16%±2.6 CT: 16% |
10%±4Lowest CT: 16% |
| Suffield and Rocky Hill 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 | #57 of 149 in CT | #47 of 149 in CT | #131 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Suffield School District | Capitol Region Education Council · Rocky Hill School District | Plainfield School District |
| High school in town | Killingly High School | Suffield High School | Rocky Hill High School | Plainfield High School |
| Students per teacherat that high school | 11.1 |
10.9 |
11.4Highest |
10.3Lowest |
| On TownTapestry | ||||
| Old photos in History | None yet | None yet | 6 photos → | 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.



