Compare towns
Rocky Hill vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Rocky Hill has the most people working from home (16%).
Killingly has the most kids (19.8% under 18).
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 | Rocky Hill | Killingly |
|---|---|---|
| Your priorities | ||
| People | ||
| Population | 20,880Highest |
17,867Lowest |
| Median age | 43.2±1.8Highest 5% above CT |
39.5±3Lowest 4% below CT |
| Rocky Hill and Killingly are within the Census margin of error here, so we can’t say which is really higher. | ||
| Kids under 18 | 16.8%±2.2Lowest CT: 20.2% |
19.8%±2.3Highest 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+ | 22.7%±2.8Highest CT: 18.5% |
19.7%±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+ | 45.3%Highest CT: 42.5% |
22.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 4.9%±1.4Lowest CT: 7.1% |
5.4%±1.9Highest CT: 7.1% |
| Killingly and Rocky Hill are within the Census margin of error here, so we can’t say which is really higher. | ||
| Cost of living | ||
| Household incomemedian | $99,941±$9kHighest 4% above CT |
$84,350±$8kLowest 12% below 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 | $337,300±$17kHighest 8% below CT |
$288,600±$15kLowest 21% below CT |
| Rentmedian gross, monthly | $1,783±$54Highest 20% above CT |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $6,298Highest 5% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 33.6%±8Lowest CT: 52.6% |
42.8%±10.9Highest CT: 52.6% |
| Killingly and Rocky Hill are within the Census margin of error here, so we can’t say which is really higher. | ||
| Below poverty line | 4.8%Lowest CT: 10% |
11.4%Highest CT: 10% |
| Housing | ||
| Homeownersof occupied homes | 68.3%Lowest CT: 66.5% |
71.6%Highest CT: 66.5% |
| Typical home builtmedian year | 1979Highest 12 yrs newer than CT |
1968Lowest 1 yr newer than CT |
| Getting to work | ||
| Average commuteone way | 21 minLowest 22% below CT |
28 minHighest 5% above CT |
| Work from home | 16%±2.6Highest CT: 16% |
11.1%±2.3Lowest CT: 16% |
| Schools | ||
| Public school scoresrank in state, math + reading | #47 of 149 in CT | #136 of 149 in CT |
| School district | Capitol Region Education Council · Rocky Hill School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Rocky Hill High School | Killingly High School |
| Students per teacherat that high school | 11.4Highest |
11.1Lowest |
| On TownTapestry | ||
| Old photos in History | 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.

