Compare towns
Griswold vs Harwinton vs Killingly
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Griswold has the most affordable homes ($276k median).
Harwinton has the highest household income ($130k).
Killingly has the youngest population (median age 39.5).
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 | Griswold | Harwinton | Killingly |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 11,530 |
5,575Lowest |
17,867Highest |
| Median age | 48.1±3.9Highest 17% above CT |
46.1±4.3 12% above CT |
39.5±3Lowest 4% below CT |
| Griswold and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 18.5%±3.7Lowest CT: 20.2% |
20%±4.2Highest CT: 20.2% |
19.8%±2.3 CT: 20.2% |
| Harwinton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17.8%±3.5Lowest CT: 18.5% |
22.1%±3.5Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
| Harwinton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 19.9%Lowest CT: 42.5% |
40.3%Highest CT: 42.5% |
22.9% CT: 42.5% |
| Enrolled in collegeshare of residents | 1.8%±1.1Lowest CT: 7.1% |
6.7%±2.9Highest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
| Harwinton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $78,719±$11kLowest 18% below CT |
$129,643±$18kHighest 35% above CT |
$84,350±$8k 12% below CT |
| Home valuemedian, owner-occupied | $275,900±$42kLowest 25% below CT |
$352,100±$16kHighest 4% below CT |
$288,600±$15k 21% below CT |
| Rentmedian gross, monthly | $1,177±$65 21% below CT |
$1,504±$200Highest about the CT average |
$1,044±$141Lowest 30% below CT |
| Property taxmedian, yearly | $4,628 30% below CT |
$5,503Highest 17% below CT |
$3,922Lowest 41% below CT |
| Renters paying 30%+of income on rent | 57.5%±15.5Highest CT: 52.6% |
27.8%±27.9Lowest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
| Griswold and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 7.6% CT: 10% |
4.8%Lowest CT: 10% |
11.4%Highest CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 73.3% CT: 66.5% |
93%Highest CT: 66.5% |
71.6%Lowest CT: 66.5% |
| Typical home builtmedian year | 1977Highest 10 yrs newer than CT |
1961Lowest 6 yrs older than CT |
1968 1 yr newer than CT |
| Getting to work | |||
| Average commuteone way | 31 minHighest 17% above CT |
26 minLowest 3% below CT |
28 min 5% above CT |
| Work from home | 9%±3.6Lowest CT: 16% |
13.5%±4.7Highest CT: 16% |
11.1%±2.3 CT: 16% |
| Harwinton and Killingly 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 | #118 of 149 in CT | #34 of 149 in CT | #136 of 149 in CT |
| School district | Griswold School District | Regional School District 10 | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS |
| High school in town | Griswold High School | None in town | Killingly High School |
| Students per teacherat that high school | 11.5Highest |
— | 11.1Lowest |
| On TownTapestry | |||
| Old photos in History | 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.