Compare towns

Killingly vs Griswold vs Northampton vs Plainfield

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Killingly has the highest household income ($84k).
Griswold has the oldest population (median age 48.1).
Northampton has the most people working from home (24.1%).
Plainfield has the youngest population (median age 37).

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.

MeasureKillinglyGriswoldNorthamptonPlainfield
People
Population
17,867
11,530Lowest
30,962Highest
15,141
Growth since 20102010 → 2020 census — —
+3.6%
U.S.: +7.4%
—
Median age
39.5±3
about the U.S. average
48.1±3.9Highest
24% above U.S.
41.3±2.2
6% above U.S.
37±4.5Lowest
5% below U.S.
Kids under 18
19.8%±2.3Highest
U.S.: 22%
18.5%±3.7
U.S.: 22%
16%±1.8Lowest
U.S.: 22%
19.4%±2.6
U.S.: 22%
Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
19.7%±2.4
U.S.: 17.2%
17.8%±3.5
U.S.: 17.2%
20.4%±1.7Highest
U.S.: 17.2%
16.6%±2.4Lowest
U.S.: 17.2%
Northampton and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
22.9%
U.S.: 35.7%
19.9%
U.S.: 35.7%
62.7%Highest
U.S.: 35.7%
15%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9
U.S.: 6.4%
1.8%±1.1Lowest
U.S.: 6.4%
14%±1.4Highest
U.S.: 6.4%
5.6%±1.8
U.S.: 6.4%
Cost of living
Household incomemedian
$84,350±$8kHighest
4% above U.S.
$78,719±$11k
about the U.S. average
$80,288±$6k
about the U.S. average
$76,993±$8kLowest
5% below U.S.
Killingly and Northampton are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$275,900±$42k
17% below U.S.
$429,700±$17kHighest
29% above U.S.
$272,100±$16kLowest
18% below U.S.
Rentmedian gross, monthly
$1,044±$141Lowest
26% below U.S.
$1,177±$65
17% below U.S.
$1,439±$75Highest
about the U.S. average
$1,204±$70
15% below U.S.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$4,628
48% above U.S.
$5,680Highest
82% above U.S.
$4,209
35% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9
U.S.: 51.1%
57.5%±15.5
U.S.: 51.1%
57.6%±6.7Highest
U.S.: 51.1%
39.8%±9.5Lowest
U.S.: 51.1%
Northampton and Griswold are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%
U.S.: 12.5%
7.6%Lowest
U.S.: 12.5%
13.4%Highest
U.S.: 12.5%
8.7%
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%
U.S.: 65.2%
73.3%
U.S.: 65.2%
57.3%Lowest
U.S.: 65.2%
73.6%Highest
U.S.: 65.2%
Typical home builtmedian year
1968
12 yrs older than U.S.
1977Highest
3 yrs older than U.S.
1955Lowest
25 yrs older than U.S.
1971
9 yrs older than U.S.
Getting to work
Average commuteone way
28 min
6% above U.S.
31 minHighest
17% above U.S.
21 minLowest
19% below U.S.
27 min
about the U.S. average
Work from home
11.1%±2.3
U.S.: 15.1%
9%±3.6Lowest
U.S.: 15.1%
24.1%±3.4Highest
U.S.: 15.1%
10%±4
U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading #136 of 149 in CT #118 of 149 in CT #159 of 282 in MA #131 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Griswold School District Northampton · Northampton-Smith Vocational Agricultural Plainfield School District
High school in town Killingly High School Griswold High School Northampton High Plainfield High School
Students per teacherat that high school
11.1
11.5
14.7Highest
10.3Lowest
On TownTapestry
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U.S. 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.