Compare towns

Griswold vs Killingly vs Plainfield vs Smithfield

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

What stands out worked out from the figures below

Griswold has the oldest population (median age 48.1).
Killingly has the most renters (28.4% rent).
Plainfield has the youngest population (median age 37).
Smithfield has the most expensive homes ($446k 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.

MeasureGriswoldKillinglyPlainfieldSmithfield
People
Population
11,530Lowest
17,867
15,141
22,233Highest
Growth since 20102010 → 2020 census — — —
+3.2%
U.S.: +7.4%
Median age
48.1±3.9Highest
24% above U.S.
39.5±3
about the U.S. average
37±4.5Lowest
5% below U.S.
41.8±2.6
7% above U.S.
Griswold and Smithfield are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
18.5%±3.7
U.S.: 22%
19.8%±2.3Highest
U.S.: 22%
19.4%±2.6
U.S.: 22%
16.9%±2.4Lowest
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+
17.8%±3.5
U.S.: 17.2%
19.7%±2.4
U.S.: 17.2%
16.6%±2.4Lowest
U.S.: 17.2%
21.1%±2.1Highest
U.S.: 17.2%
Smithfield and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
19.9%
U.S.: 35.7%
22.9%
U.S.: 35.7%
15%Lowest
U.S.: 35.7%
40%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
1.8%±1.1Lowest
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
5.6%±1.8
U.S.: 6.4%
16.7%±0.9Highest
U.S.: 6.4%
Cost of living
Household incomemedian
$78,719±$11k
about the U.S. average
$84,350±$8k
4% above U.S.
$76,993±$8kLowest
5% below U.S.
$102,077±$8kHighest
26% above U.S.
Home valuemedian, owner-occupied
$275,900±$42k
17% below U.S.
$288,600±$15k
13% below U.S.
$272,100±$16kLowest
18% below U.S.
$446,400±$12kHighest
34% above U.S.
Rentmedian gross, monthly
$1,177±$65
17% below U.S.
$1,044±$141
26% below U.S.
$1,204±$70Highest
15% below U.S.
$1,016±$241Lowest
28% below U.S.
Plainfield and Griswold are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$4,628
48% above U.S.
$3,922Lowest
26% above U.S.
$4,209
35% above U.S.
$5,207Highest
67% above U.S.
Renters paying 30%+of income on rent
57.5%±15.5Highest
U.S.: 51.1%
42.8%±10.9
U.S.: 51.1%
39.8%±9.5Lowest
U.S.: 51.1%
57.1%±17.7
U.S.: 51.1%
Griswold and Smithfield are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
7.6%
U.S.: 12.5%
11.4%Highest
U.S.: 12.5%
8.7%
U.S.: 12.5%
6.2%Lowest
U.S.: 12.5%
Housing
Homeownersof occupied homes
73.3%
U.S.: 65.2%
71.6%Lowest
U.S.: 65.2%
73.6%
U.S.: 65.2%
81.6%Highest
U.S.: 65.2%
Typical home builtmedian year
1977Highest
3 yrs older than U.S.
1968Lowest
12 yrs older than U.S.
1971
9 yrs older than U.S.
1976
4 yrs older than U.S.
Getting to work
Average commuteone way
31 minHighest
17% above U.S.
28 min
6% above U.S.
27 min
about the U.S. average
25 minLowest
7% below U.S.
Work from home
9%±3.6Lowest
U.S.: 15.1%
11.1%±2.3
U.S.: 15.1%
10%±4
U.S.: 15.1%
14%±3.1Highest
U.S.: 15.1%
Smithfield 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 #118 of 149 in CT #136 of 149 in CT #131 of 149 in CT #8 of 38 in RI
School district Griswold School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Plainfield School District Smithfield
High school in town Griswold High School Killingly High School Plainfield High School Smithfield High School
Students per teacherat that high school
11.5
11.1
10.3Lowest
11.8Highest
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.