Compare towns

Grantham vs Killingly vs Plainfield vs Putnam

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

What stands out worked out from the figures below

Grantham has the most homeowners (100%).
Killingly has the most kids (19.8% under 18).
Plainfield has the youngest population (median age 37).
Putnam has the most renters (40.2% rent).

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.

MeasureGranthamKillinglyPlainfieldPutnam
People
Population
3,465Lowest
17,867Highest
15,141
9,292
Growth since 20102010 → 2020 census
+14%
U.S.: +7.4%
— — —
Median age
50.4±7.5Highest
30% above U.S.
39.5±3
about the U.S. average
37±4.5Lowest
5% below U.S.
43.7±3
12% above U.S.
Grantham and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.1%±6.6
U.S.: 22%
19.8%±2.3Highest
U.S.: 22%
19.4%±2.6
U.S.: 22%
18.6%±3.6Lowest
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%±6.9
U.S.: 17.2%
19.7%±2.4Highest
U.S.: 17.2%
16.6%±2.4Lowest
U.S.: 17.2%
18.5%±3.1
U.S.: 17.2%
Killingly and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
59.6%Highest
U.S.: 35.7%
22.9%
U.S.: 35.7%
15%Lowest
U.S.: 35.7%
20%
U.S.: 35.7%
Enrolled in collegeshare of residents
4.8%±6
U.S.: 6.4%
5.4%±1.9
U.S.: 6.4%
5.6%±1.8Highest
U.S.: 6.4%
3.9%±1.4Lowest
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
$106,403±$54kHighest
32% above U.S.
$84,350±$8k
4% above U.S.
$76,993±$8k
5% below U.S.
$70,561±$7kLowest
13% below U.S.
Grantham and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$343,100±$39kHighest
3% above U.S.
$288,600±$15k
13% below U.S.
$272,100±$16k
18% below U.S.
$269,200±$11kLowest
19% below U.S.
Grantham and Killingly are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly —
$1,044±$141Lowest
26% below U.S.
$1,204±$70Highest
15% below U.S.
$1,149±$44
19% below U.S.
Plainfield and Putnam are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$7,605Highest
144% above U.S.
$3,922
26% above U.S.
$4,209
35% above U.S.
$3,860Lowest
24% above U.S.
Renters paying 30%+of income on rent —
42.8%±10.9Highest
U.S.: 51.1%
39.8%±9.5
U.S.: 51.1%
37.7%±11.6Lowest
U.S.: 51.1%
Killingly and Plainfield are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
0%Lowest
U.S.: 12.5%
11.4%
U.S.: 12.5%
8.7%
U.S.: 12.5%
11.5%Highest
U.S.: 12.5%
Housing
Homeownersof occupied homes
100%Highest
U.S.: 65.2%
71.6%
U.S.: 65.2%
73.6%
U.S.: 65.2%
59.8%Lowest
U.S.: 65.2%
Typical home builtmedian year
1987Highest
7 yrs newer than U.S.
1968
12 yrs older than U.S.
1971
9 yrs older than U.S.
1961Lowest
19 yrs older than U.S.
Getting to work
Average commuteone way
23 minLowest
15% below U.S.
28 minHighest
6% above U.S.
27 min
about the U.S. average
25 min
6% below U.S.
Work from home
13.8%±6.2Highest
U.S.: 15.1%
11.1%±2.3
U.S.: 15.1%
10%±4
U.S.: 15.1%
9%±2.8Lowest
U.S.: 15.1%
Grantham 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 #6 of 120 in NH #136 of 149 in CT #131 of 149 in CT #128 of 149 in CT
School district Grantham School District Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS Plainfield School District Putnam School District
High school in town None in town Killingly High School Plainfield High School Putnam High School
Students per teacherat that high school —
11.1Highest
10.3
9.5Lowest
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.