Compare towns

Harwinton vs Killingly vs Griswold

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 highest household income ($130k).
Killingly has the youngest population (median age 39.5).
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.

MeasureHarwintonKillinglyGriswold
People
Population
5,575Lowest
17,867Highest
11,530
Median age
46.1±4.3
12% above CT
39.5±3Lowest
4% below 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%±4.2Highest
CT: 20.2%
19.8%±2.3
CT: 20.2%
18.5%±3.7Lowest
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+
22.1%±3.5Highest
CT: 18.5%
19.7%±2.4
CT: 18.5%
17.8%±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%Highest
CT: 42.5%
22.9%
CT: 42.5%
19.9%Lowest
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%
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±$18kHighest
35% above CT
$84,350±$8k
12% below CT
$78,719±$11kLowest
18% below CT
Home valuemedian, owner-occupied
$352,100±$16kHighest
4% below CT
$288,600±$15k
21% below CT
$275,900±$42kLowest
25% below CT
Rentmedian gross, monthly
$1,504±$200Highest
about the CT average
$1,044±$141Lowest
30% below CT
$1,177±$65
21% below CT
Property taxmedian, yearly
$5,503Highest
17% below CT
$3,922Lowest
41% below CT
$4,628
30% below CT
Renters paying 30%+of income on rent
27.8%±27.9Lowest
CT: 52.6%
42.8%±10.9
CT: 52.6%
57.5%±15.5Highest
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
4.8%Lowest
CT: 10%
11.4%Highest
CT: 10%
7.6%
CT: 10%
Housing
Homeownersof occupied homes
93%Highest
CT: 66.5%
71.6%Lowest
CT: 66.5%
73.3%
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
Getting to work
Average commuteone way
26 minLowest
3% below CT
28 min
5% above CT
31 minHighest
17% above CT
Work from home
13.5%±4.7Highest
CT: 16%
11.1%±2.3
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 #34 of 149 in CT #136 of 149 in CT #118 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
High school in town None in town Killingly High School 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

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.