Compare towns

Grantham 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

Grantham has the highest household income ($106k).
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.

MeasureGranthamPlainfield
People
Population
3,465Lowest
15,141Highest
Growth since 20102010 → 2020 census
+14%
U.S.: +7.4%
—
Median age
50.4±7.5Highest
30% above U.S.
37±4.5Lowest
5% below U.S.
Kids under 18
19.1%±6.6Lowest
U.S.: 22%
19.4%±2.6Highest
U.S.: 22%
Plainfield and Grantham are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
17%±6.9Highest
U.S.: 17.2%
16.6%±2.4Lowest
U.S.: 17.2%
Grantham and Plainfield 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%
15%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
4.8%±6Lowest
U.S.: 6.4%
5.6%±1.8Highest
U.S.: 6.4%
Plainfield and Grantham 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.
$76,993±$8kLowest
5% below U.S.
Grantham and Plainfield 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.
$272,100±$16kLowest
18% below U.S.
Rentmedian gross, monthly —
$1,204±$70
15% below U.S.
Property taxmedian, yearly
$7,605Highest
144% above U.S.
$4,209Lowest
35% above U.S.
Renters paying 30%+of income on rent —
39.8%±9.5
U.S.: 51.1%
Below poverty line
0%Lowest
U.S.: 12.5%
8.7%Highest
U.S.: 12.5%
Housing
Homeownersof occupied homes
100%Highest
U.S.: 65.2%
73.6%Lowest
U.S.: 65.2%
Typical home builtmedian year
1987Highest
7 yrs newer than U.S.
1971Lowest
9 yrs older than U.S.
Getting to work
Average commuteone way
23 minLowest
15% below U.S.
27 minHighest
about the U.S. average
Work from home
13.8%±6.2Highest
U.S.: 15.1%
10%±4Lowest
U.S.: 15.1%
Grantham and Plainfield 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 #131 of 149 in CT
School district Grantham School District Plainfield School District
High school in town None in town Plainfield High School
Students per teacherat that high school —
10.3
On TownTapestry
Old photos in History 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.