Compare towns
Killingly vs Plainville vs Rocky Hill
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).
Plainville has the most affordable homes ($254k median).
Rocky Hill has the most people working from home (16%).
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 | Plainville | Rocky Hill |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 17,867 |
17,551Lowest |
20,880Highest |
| Median age | 39.5±3Lowest 4% below CT |
44.3±1.5Highest 8% above CT |
43.2±1.8 5% above CT |
| Plainville 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% |
15.6%±2.3Lowest CT: 20.2% |
16.8%±2.2 CT: 20.2% |
| Killingly and Rocky Hill are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 19.7%±2.4Lowest CT: 18.5% |
20.1%±2.8 CT: 18.5% |
22.7%±2.8Highest CT: 18.5% |
| Rocky Hill and Plainville are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 22.9%Lowest CT: 42.5% |
30% CT: 42.5% |
45.3%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.9 CT: 7.1% |
6.2%±1.6Highest CT: 7.1% |
4.9%±1.4Lowest 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 | $84,350±$8k 12% below CT |
$84,343±$7kLowest 12% below CT |
$99,941±$9kHighest 4% above CT |
| Rocky Hill and Killingly 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 |
$254,000±$14kLowest 31% below CT |
$337,300±$17kHighest 8% below CT |
| Rentmedian gross, monthly | $1,044±$141Lowest 30% below CT |
$1,126±$147 24% below CT |
$1,783±$54Highest 20% above CT |
| Property taxmedian, yearly | $3,922Lowest 41% below CT |
$4,798 28% below CT |
$6,298Highest 5% below CT |
| Renters paying 30%+of income on rent | 42.8%±10.9Highest CT: 52.6% |
40.3%±12.4 CT: 52.6% |
33.6%±8Lowest CT: 52.6% |
| Killingly and Plainville 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% |
6.5% CT: 10% |
4.8%Lowest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 71.6%Highest CT: 66.5% |
67.7%Lowest CT: 66.5% |
68.3% CT: 66.5% |
| Typical home builtmedian year | 1968Lowest 1 yr newer than CT |
1971 4 yrs newer than CT |
1979Highest 12 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 28 minHighest 5% above CT |
21 min 20% below CT |
21 minLowest 22% below CT |
| Work from home | 11.1%±2.3 CT: 16% |
10.7%±2Lowest CT: 16% |
16%±2.6Highest CT: 16% |
| Schools | |||
| Public school scoresrank in state, math + reading | #136 of 149 in CT | #89 of 149 in CT | #47 of 149 in CT |
| School district | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Judicial Centers · Plainville School District | Capitol Region Education Council · Rocky Hill School District |
| High school in town | Killingly High School | Plainville High School | Rocky Hill High School |
| Students per teacherat that high school | 11.1Lowest |
11.4Highest |
11.4Highest |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | 6 photos → |
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.