Compare towns

Grantham vs Sidney vs Somersworth

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 grown the fastest since 2010 (+14%).
Sidney has the most kids (23.1% under 18).
Somersworth has the most renters (42.2% 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.

MeasureGranthamSidneySomersworth
People
Population
3,465Lowest
4,790
12,111Highest
Growth since 20102010 → 2020 census
+14%Highest
U.S.: +7.4%
+10.4%
U.S.: +7.4%
+0.8%Lowest
U.S.: +7.4%
Median age
50.4±7.5Highest
30% above U.S.
43±5.5
11% above U.S.
38.4±2.7Lowest
about the U.S. average
Grantham and Sidney are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.1%±6.6Lowest
U.S.: 22%
23.1%±5.6Highest
U.S.: 22%
19.9%±4
U.S.: 22%
Sidney and Somersworth 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%
18.4%±3.6Highest
U.S.: 17.2%
14%±3Lowest
U.S.: 17.2%
Sidney and Grantham 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%
33.5%
U.S.: 35.7%
31.4%Lowest
U.S.: 35.7%
Enrolled in collegeshare of residents
4.8%±6
U.S.: 6.4%
1.5%±1.2Lowest
U.S.: 6.4%
4.9%±2Highest
U.S.: 6.4%
Somersworth 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.
$83,488±$10k
3% above U.S.
$74,504±$13kLowest
8% below U.S.
Grantham and Sidney 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.
$336,200±$34k
about the U.S. average
$318,400±$23kLowest
4% below U.S.
Grantham and Sidney are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly —
$1,340±$304Lowest
5% below U.S.
$1,477±$134Highest
5% above U.S.
Somersworth and Sidney 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.
$2,474Lowest
21% below U.S.
$6,805
118% above U.S.
Renters paying 30%+of income on rent —
16.4%±17.5Lowest
U.S.: 51.1%
56.3%±14.7Highest
U.S.: 51.1%
Below poverty line
0%Lowest
U.S.: 12.5%
6.4%
U.S.: 12.5%
11.2%Highest
U.S.: 12.5%
Housing
Homeownersof occupied homes
100%Highest
U.S.: 65.2%
89.4%
U.S.: 65.2%
57.8%Lowest
U.S.: 65.2%
Typical home builtmedian year
1987
7 yrs newer than U.S.
1996Highest
16 yrs newer than U.S.
1967Lowest
13 yrs older than U.S.
Getting to work
Average commuteone way
23 minLowest
15% below U.S.
25 min
6% below U.S.
26 minHighest
about the U.S. average
Work from home
13.8%±6.2
U.S.: 15.1%
14.3%±5.9Highest
U.S.: 15.1%
11.7%±3.5Lowest
U.S.: 15.1%
Sidney and Grantham 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 #15 of 133 in ME #117 of 120 in NH
School district Grantham School District RSU 18 Somersworth School District
High school in town None in town None in town Somersworth High School
Students per teacherat that high school — —
11.4
On TownTapestry
Old photos in Our Story 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.