Compare towns

Smithfield vs Killingly vs Griswold vs Johnston

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

What stands out worked out from the figures below

Smithfield has the most people working from home (14%).
Killingly has the most kids (19.8% under 18).
Griswold has the oldest population (median age 48.1).
Johnston has the shortest commute (24 min average).

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.

MeasureSmithfieldKillinglyGriswoldJohnston
People
Population
22,233
17,867
11,530Lowest
29,835Highest
Growth since 20102010 → 2020 census
+3.2%Highest
U.S.: +7.4%
— —
+2.8%Lowest
U.S.: +7.4%
Median age
41.8±2.6
7% above U.S.
39.5±3Lowest
about the U.S. average
48.1±3.9Highest
24% above U.S.
44.5±2.5
14% above U.S.
Griswold and Johnston are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
16.9%±2.4Lowest
U.S.: 22%
19.8%±2.3Highest
U.S.: 22%
18.5%±3.7
U.S.: 22%
17.5%±2.4
U.S.: 22%
Killingly and Griswold are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.1%±2.1
U.S.: 17.2%
19.7%±2.4
U.S.: 17.2%
17.8%±3.5Lowest
U.S.: 17.2%
22.1%±2.6Highest
U.S.: 17.2%
Johnston and Smithfield are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
40%Highest
U.S.: 35.7%
22.9%
U.S.: 35.7%
19.9%Lowest
U.S.: 35.7%
28.9%
U.S.: 35.7%
Enrolled in collegeshare of residents
16.7%±0.9Highest
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
1.8%±1.1Lowest
U.S.: 6.4%
6.1%±1.6
U.S.: 6.4%
Cost of living
Household incomemedian
$102,077±$8kHighest
26% above U.S.
$84,350±$8k
4% above U.S.
$78,719±$11kLowest
about the U.S. average
$91,866±$6k
14% above U.S.
Smithfield and Johnston are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$446,400±$12kHighest
34% above U.S.
$288,600±$15k
13% below U.S.
$275,900±$42kLowest
17% below U.S.
$355,500±$13k
7% above U.S.
Rentmedian gross, monthly
$1,016±$241Lowest
28% below U.S.
$1,044±$141
26% below U.S.
$1,177±$65
17% below U.S.
$1,275±$132Highest
10% below U.S.
Johnston and Griswold are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$5,207Highest
67% above U.S.
$3,922Lowest
26% above U.S.
$4,628
48% above U.S.
$4,614
48% above U.S.
Renters paying 30%+of income on rent
57.1%±17.7
U.S.: 51.1%
42.8%±10.9
U.S.: 51.1%
57.5%±15.5Highest
U.S.: 51.1%
38.1%±8.7Lowest
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
6.2%Lowest
U.S.: 12.5%
11.4%Highest
U.S.: 12.5%
7.6%
U.S.: 12.5%
7.9%
U.S.: 12.5%
Housing
Homeownersof occupied homes
81.6%Highest
U.S.: 65.2%
71.6%Lowest
U.S.: 65.2%
73.3%
U.S.: 65.2%
75.9%
U.S.: 65.2%
Typical home builtmedian year
1976
4 yrs older than U.S.
1968Lowest
12 yrs older than U.S.
1977Highest
3 yrs older than U.S.
1968Lowest
12 yrs older than U.S.
Getting to work
Average commuteone way
25 min
7% below U.S.
28 min
6% above U.S.
31 minHighest
17% above U.S.
24 minLowest
11% below U.S.
Work from home
14%±3.1Highest
U.S.: 15.1%
11.1%±2.3
U.S.: 15.1%
9%±3.6Lowest
U.S.: 15.1%
9.9%±2.3
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 #8 of 38 in RI #136 of 149 in CT #118 of 149 in CT #32 of 38 in RI
School district Smithfield Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Griswold School District Johnston
High school in town Smithfield High School Killingly High School Griswold High School Johnston Senior High
Students per teacherat that high school
11.8Highest
11.1
11.5
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.