Compare towns

Killingly vs Millis vs Griswold 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 most renters (28.4% rent).
Millis has the most expensive homes ($604k median).
Griswold has the oldest population (median age 48.1).
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.

MeasureKillinglyMillisGriswoldPlainfield
People
Population
17,867Highest
8,888Lowest
11,530
15,141
Growth since 20102010 → 2020 census —
+7.2%
U.S.: +7.4%
— —
Median age
39.5±3
about the U.S. average
46.4±3
19% above U.S.
48.1±3.9Highest
24% above U.S.
37±4.5Lowest
5% below U.S.
Griswold and Millis are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±2.3Highest
U.S.: 22%
18.4%±2.8Lowest
U.S.: 22%
18.5%±3.7
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%
23.5%±3.9Highest
U.S.: 17.2%
17.8%±3.5
U.S.: 17.2%
16.6%±2.4Lowest
U.S.: 17.2%
Millis 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%
54.5%Highest
U.S.: 35.7%
19.9%
U.S.: 35.7%
15%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
5.4%±1.9
U.S.: 6.4%
4.9%±1.6
U.S.: 6.4%
1.8%±1.1Lowest
U.S.: 6.4%
5.6%±1.8Highest
U.S.: 6.4%
Plainfield and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$84,350±$8k
4% above U.S.
$155,996±$9kHighest
93% above U.S.
$78,719±$11k
about the U.S. average
$76,993±$8kLowest
5% below U.S.
Home valuemedian, owner-occupied
$288,600±$15k
13% below U.S.
$603,500±$31kHighest
81% above U.S.
$275,900±$42k
17% below U.S.
$272,100±$16kLowest
18% below U.S.
Rentmedian gross, monthly
$1,044±$141Lowest
26% below U.S.
$1,696±$279Highest
20% above U.S.
$1,177±$65
17% below U.S.
$1,204±$70
15% below U.S.
Property taxmedian, yearly
$3,922Lowest
26% above U.S.
$9,344Highest
200% above U.S.
$4,628
48% above U.S.
$4,209
35% above U.S.
Renters paying 30%+of income on rent
42.8%±10.9
U.S.: 51.1%
56.5%±16.6
U.S.: 51.1%
57.5%±15.5Highest
U.S.: 51.1%
39.8%±9.5Lowest
U.S.: 51.1%
Griswold and Millis are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.4%Highest
U.S.: 12.5%
4.8%Lowest
U.S.: 12.5%
7.6%
U.S.: 12.5%
8.7%
U.S.: 12.5%
Housing
Homeownersof occupied homes
71.6%Lowest
U.S.: 65.2%
83.2%Highest
U.S.: 65.2%
73.3%
U.S.: 65.2%
73.6%
U.S.: 65.2%
Typical home builtmedian year
1968Lowest
12 yrs older than U.S.
1974
6 yrs older than U.S.
1977Highest
3 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 min
16% above U.S.
31 minHighest
17% above U.S.
27 minLowest
about the U.S. average
Work from home
11.1%±2.3
U.S.: 15.1%
17.5%±4.2Highest
U.S.: 15.1%
9%±3.6Lowest
U.S.: 15.1%
10%±4
U.S.: 15.1%
Millis 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 #136 of 149 in CT #63 of 282 in MA #118 of 149 in CT #131 of 149 in CT
School district Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Millis Griswold School District Plainfield School District
High school in town Killingly High School Millis High School Griswold High School Plainfield High School
Students per teacherat that high school
11.1
10.7
11.5Highest
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.