Compare towns

Somersworth vs Portsmouth vs Swanzey

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

Somersworth has the most kids (19.9% under 18).
Portsmouth has grown the fastest since 2010 (+5.7%).
Swanzey has the most homeowners (71.7%).

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.

MeasureSomersworthPortsmouthSwanzey
People
Population
12,111
22,545Highest
7,398Lowest
Growth since 20102010 → 2020 census
+0.8%
NH: +4.6%
+5.7%Highest
NH: +4.6%
+0.6%Lowest
NH: +4.6%
Median age
38.4±2.7Lowest
11% below NH
42.9±2
about the NH average
50±3.1Highest
15% above NH
Kids under 18
19.9%±4Highest
NH: 18.2%
14%±1.9Lowest
NH: 18.2%
18%±3.2
NH: 18.2%
Somersworth and Swanzey are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
14%±3Lowest
NH: 20.1%
21.9%±2.4
NH: 20.1%
24.2%±4.2Highest
NH: 20.1%
Swanzey and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
31.4%
NH: 40.6%
64%Highest
NH: 40.6%
30.2%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
4.9%±2Highest
NH: 6%
3.8%±1.2
NH: 6%
3.4%±2Lowest
NH: 6%
Somersworth and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$74,504±$13kLowest
25% below NH
$106,219±$7kHighest
7% above NH
$81,595±$11k
18% below NH
Home valuemedian, owner-occupied
$318,400±$23k
21% below NH
$688,500±$39kHighest
71% above NH
$259,200±$15kLowest
36% below NH
Rentmedian gross, monthly
$1,477±$134Lowest
about the NH average
$1,869±$111Highest
25% above NH
$1,508±$303
about the NH average
Portsmouth and Swanzey are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$6,805
about the NH average
$8,018Highest
20% above NH
$5,558Lowest
17% below NH
Renters paying 30%+of income on rent
56.3%±14.7
NH: 48.2%
50.4%±7.2Lowest
NH: 48.2%
67.7%±19.4Highest
NH: 48.2%
Swanzey and Somersworth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
11.2%Highest
NH: 7.2%
6.8%Lowest
NH: 7.2%
7.8%
NH: 7.2%
Housing
Homeownersof occupied homes
57.8%
NH: 72.8%
51.9%Lowest
NH: 72.8%
71.7%Highest
NH: 72.8%
Typical home builtmedian year
1967
12 yrs older than NH
1959Lowest
20 yrs older than NH
1978Highest
1 yr older than NH
Getting to work
Average commuteone way
26 minHighest
3% below NH
22 minLowest
17% below NH
24 min
9% below NH
Work from home
11.7%±3.5
NH: 16.8%
21.9%±4Highest
NH: 16.8%
9.3%±4Lowest
NH: 16.8%
Schools
Public school scoresrank in state, math + reading #117 of 120 in NH #11 of 120 in NH #102 of 120 in NH
School district Somersworth School District Portsmouth School District Monadnock Regional School District
High school in town Somersworth High School Portsmouth High School Monadnock Regional High School
Students per teacherat that high school
11.4Lowest
11.4Lowest
12.8Highest
On TownTapestry
Old photos in Our Story None yet None yet None yet

NH 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.