Compare towns
Harwinton vs Killingly vs Griswold vs Marlborough
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Harwinton has the shortest commute (26 min average).
Killingly has the youngest population (median age 39.5).
Griswold has the most affordable homes ($276k median).
Marlborough has the most people working from home (33.2%).
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 | Harwinton | Killingly | Griswold | Marlborough |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 5,575Lowest |
17,867Highest |
11,530 |
6,130 |
| Median age | 46.1±4.3 12% above CT |
39.5±3Lowest 4% below CT |
48.1±3.9Highest 17% above CT |
41.8±4.7 about the CT average |
| Griswold and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 20%±4.2 CT: 20.2% |
19.8%±2.3 CT: 20.2% |
18.5%±3.7Lowest CT: 20.2% |
23.6%±5.2Highest CT: 20.2% |
| Marlborough and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 22.1%±3.5Highest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
17.8%±3.5 CT: 18.5% |
16.3%±3.5Lowest 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+ | 40.3% CT: 42.5% |
22.9% CT: 42.5% |
19.9%Lowest CT: 42.5% |
45.9%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 6.7%±2.9Highest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
5.1%±2.6 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 | $129,643±$18k 35% above CT |
$84,350±$8k 12% below CT |
$78,719±$11kLowest 18% below CT |
$142,105±$35kHighest 48% above CT |
| Marlborough and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $352,100±$16k 4% below CT |
$288,600±$15k 21% below CT |
$275,900±$42kLowest 25% below CT |
$379,100±$33kHighest 3% above CT |
| Marlborough and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,504±$200Highest about the CT average |
$1,044±$141Lowest 30% below CT |
$1,177±$65 21% below CT |
$1,333±$438 10% below CT |
| Harwinton and Marlborough are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $5,503 17% below CT |
$3,922Lowest 41% below CT |
$4,628 30% below CT |
$7,397Highest 11% above CT |
| Renters paying 30%+of income on rent | 27.8%±27.9Lowest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
57.5%±15.5 CT: 52.6% |
59.2%±36Highest CT: 52.6% |
| Marlborough and Griswold 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% |
7.6% CT: 10% |
9.7% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 93%Highest CT: 66.5% |
71.6%Lowest CT: 66.5% |
73.3% CT: 66.5% |
92.6% CT: 66.5% |
| Typical home builtmedian year | 1961Lowest 6 yrs older than CT |
1968 1 yr newer than CT |
1977Highest 10 yrs newer than CT |
1977Highest 10 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 26 minLowest 3% below CT |
28 min 5% above CT |
31 min 17% above CT |
34 minHighest 29% above CT |
| Work from home | 13.5%±4.7 CT: 16% |
11.1%±2.3 CT: 16% |
9%±3.6Lowest CT: 16% |
33.2%±8.9Highest CT: 16% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #34 of 149 in CT | #136 of 149 in CT | #118 of 149 in CT | #52 of 149 in CT |
| School district | Regional School District 10 | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Griswold School District | Marlborough School District |
| High school in town | None in town | Killingly High School | Griswold High School | None in town |
| Students per teacherat that high school | — | 11.1Lowest |
11.5Highest |
— |
| 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.