Compare towns
Brooklyn vs Killingly vs Harwinton vs Griswold
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Brooklyn has the most kids (20.6% under 18).
Killingly has the youngest population (median age 39.5).
Harwinton has the highest household income ($130k).
Griswold has the most affordable homes ($276k median).
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 | Brooklyn | Killingly | Harwinton | Griswold |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 8,517 |
17,867Highest |
5,575Lowest |
11,530 |
| Median age | 45.6±2.5 11% above CT |
39.5±3Lowest 4% below CT |
46.1±4.3 12% above CT |
48.1±3.9Highest 17% above CT |
| Griswold and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 20.6%±4.6Highest CT: 20.2% |
19.8%±2.3 CT: 20.2% |
20%±4.2 CT: 20.2% |
18.5%±3.7Lowest CT: 20.2% |
| Brooklyn and Harwinton are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 17.6%±2.9Lowest CT: 18.5% |
19.7%±2.4 CT: 18.5% |
22.1%±3.5Highest CT: 18.5% |
17.8%±3.5 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+ | 23.9% CT: 42.5% |
22.9% CT: 42.5% |
40.3%Highest CT: 42.5% |
19.9%Lowest CT: 42.5% |
| Enrolled in collegeshare of residents | 5.4%±1.7 CT: 7.1% |
5.4%±1.9 CT: 7.1% |
6.7%±2.9Highest CT: 7.1% |
1.8%±1.1Lowest CT: 7.1% |
| Harwinton and Brooklyn are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $96,207±$15k about the CT average |
$84,350±$8k 12% below CT |
$129,643±$18kHighest 35% above CT |
$78,719±$11kLowest 18% below CT |
| Home valuemedian, owner-occupied | $315,200±$28k 14% below CT |
$288,600±$15k 21% below CT |
$352,100±$16kHighest 4% below CT |
$275,900±$42kLowest 25% below CT |
| Harwinton and Brooklyn are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,125±$98 24% below CT |
$1,044±$141Lowest 30% below CT |
$1,504±$200Highest about the CT average |
$1,177±$65 21% below CT |
| Property taxmedian, yearly | $4,538 32% below CT |
$3,922Lowest 41% below CT |
$5,503Highest 17% below CT |
$4,628 30% below CT |
| Renters paying 30%+of income on rent | 38.5%±19.3 CT: 52.6% |
42.8%±10.9 CT: 52.6% |
27.8%±27.9Lowest CT: 52.6% |
57.5%±15.5Highest 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 | 2.3%Lowest CT: 10% |
11.4%Highest CT: 10% |
4.8% CT: 10% |
7.6% CT: 10% |
| Housing | ||||
| Homeownersof occupied homes | 81.7% CT: 66.5% |
71.6%Lowest CT: 66.5% |
93%Highest CT: 66.5% |
73.3% CT: 66.5% |
| Typical home builtmedian year | 1978Highest 11 yrs newer than CT |
1968 1 yr newer than CT |
1961Lowest 6 yrs older than CT |
1977 10 yrs newer than CT |
| Getting to work | ||||
| Average commuteone way | 27 min about the CT average |
28 min 5% above CT |
26 minLowest 3% below CT |
31 minHighest 17% above CT |
| Work from home | 10.7%±5.4 CT: 16% |
11.1%±2.3 CT: 16% |
13.5%±4.7Highest CT: 16% |
9%±3.6Lowest 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 | #113 of 149 in CT | #136 of 149 in CT | #34 of 149 in CT | #118 of 149 in CT |
| School district | Brooklyn School District | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | Regional School District 10 | Griswold School District |
| High school in town | None in town | Killingly High School | None in town | Griswold High School |
| 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.



