Compare towns

Griswold vs Killingly vs Plainfield vs Upton

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).
Upton has the most people working from home (22.8%).

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.

MeasureGriswoldKillinglyPlainfieldUpton
People
Population
11,530
17,867Highest
15,141
8,189Lowest
Growth since 20102010 → 2020 census — — —
+6.1%
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.
46.4±4.8
19% above U.S.
Griswold and Upton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
18.5%±3.7Lowest
U.S.: 22%
19.8%±2.3
U.S.: 22%
19.4%±2.6
U.S.: 22%
23.2%±4.5Highest
U.S.: 22%
Upton and Killingly 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%
20.7%±4.9Highest
U.S.: 17.2%
Upton 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%
53.5%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%±1.8Highest
U.S.: 6.4%
2.4%±1.3
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
$78,719±$11k
about the U.S. average
$84,350±$8k
4% above U.S.
$76,993±$8kLowest
5% below U.S.
$155,508±$33kHighest
93% 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.
$576,700±$41kHighest
73% 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.
$948±$599Lowest
33% 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.
$8,376Highest
169% 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%
52.8%±31
U.S.: 51.1%
Griswold and Upton 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%
3.2%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%
86.7%Highest
U.S.: 65.2%
Typical home builtmedian year
1977
3 yrs older than U.S.
1968Lowest
12 yrs older than U.S.
1971
9 yrs older than U.S.
1981Highest
1 yr newer than U.S.
Getting to work
Average commuteone way
31 min
17% above U.S.
28 min
6% above U.S.
27 minLowest
about the U.S. average
35 minHighest
34% above 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%
22.8%±5.3Highest
U.S.: 15.1%
Schools
Public school scoresrank in state, math + reading #118 of 149 in CT #136 of 149 in CT #131 of 149 in CT #46 of 282 in MA
School district Griswold School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Plainfield School District Blackstone Valley Regional Vocational Technical · Mendon-Upton
High school in town Griswold High School Killingly High School Plainfield High School Blackstone Valley
Students per teacherat that high school
11.5Highest
11.1
10.3Lowest
11.2
On TownTapestry
Old photos in History None yet None yet None yet None yet

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.