Compare towns

North Haven 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

North Haven has the highest household income ($133k).
Killingly has the youngest population (median age 39.5).
Griswold has the oldest population (median age 48.1).

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.

MeasureNorth HavenKillinglyGriswold
People
Population
24,336Highest
17,867
11,530Lowest
Median age
45.7±1.3
11% above CT
39.5±3Lowest
4% below CT
48.1±3.9Highest
17% above CT
Griswold and North Haven are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
21.5%±2.5Highest
CT: 20.2%
19.8%±2.3
CT: 20.2%
18.5%±3.7Lowest
CT: 20.2%
North Haven and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
22.3%±2.1Highest
CT: 18.5%
19.7%±2.4
CT: 18.5%
17.8%±3.5Lowest
CT: 18.5%
North Haven and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
46.5%Highest
CT: 42.5%
22.9%
CT: 42.5%
19.9%Lowest
CT: 42.5%
Enrolled in collegeshare of residents
4.5%±1.3
CT: 7.1%
5.4%±1.9Highest
CT: 7.1%
1.8%±1.1Lowest
CT: 7.1%
Killingly and North Haven are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$132,689±$7kHighest
39% above CT
$84,350±$8k
12% below CT
$78,719±$11kLowest
18% below CT
Home valuemedian, owner-occupied
$393,200±$15kHighest
7% above CT
$288,600±$15k
21% below CT
$275,900±$42kLowest
25% below CT
Rentmedian gross, monthly
$1,720±$127Highest
16% above CT
$1,044±$141Lowest
30% below CT
$1,177±$65
21% below CT
Property taxmedian, yearly
$6,964Highest
5% above CT
$3,922Lowest
41% below CT
$4,628
30% below CT
Renters paying 30%+of income on rent
45.2%±10
CT: 52.6%
42.8%±10.9Lowest
CT: 52.6%
57.5%±15.5Highest
CT: 52.6%
Griswold and North Haven are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4.1%Lowest
CT: 10%
11.4%Highest
CT: 10%
7.6%
CT: 10%
Housing
Homeownersof occupied homes
81.3%Highest
CT: 66.5%
71.6%Lowest
CT: 66.5%
73.3%
CT: 66.5%
Typical home builtmedian year
1964Lowest
3 yrs older than CT
1968
1 yr newer than CT
1977Highest
10 yrs newer than CT
Getting to work
Average commuteone way
22 minLowest
18% below CT
28 min
5% above CT
31 minHighest
17% above CT
Work from home
14.9%±2.8Highest
CT: 16%
11.1%±2.3
CT: 16%
9%±3.6Lowest
CT: 16%
North Haven 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 #84 of 149 in CT #136 of 149 in CT #118 of 149 in CT
School district Area Cooperative Educational Services · North Haven School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Griswold School District
High school in town North Haven High School Killingly High School Griswold High School
Students per teacherat that high school
11.0Lowest
11.1
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.