Compare towns

Portsmouth vs Madbury vs Plymouth

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

What stands out worked out from the figures below

Portsmouth has the most people working from home (21.9%).
Madbury has the most kids (29% under 18).
Plymouth has the youngest population (median age 22.8).
Plymouth is a college town. 42.5% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.

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.

MeasurePortsmouthMadburyPlymouth
People
Population
22,545Highest
2,203Lowest
4,969
Growth since 20102010 → 2020 census
+5.7%Lowest
NH: +4.6%
+8.3%Highest
NH: +4.6%
+6.1%
NH: +4.6%
Median age
42.9±2Highest
about the NH average
37.7±2.1
13% below NH
22.8±0.9Lowest
47% below NH
Kids under 18
14%±1.9
NH: 18.2%
29%±5.9Highest
NH: 18.2%
13.3%±4.1Lowest
NH: 18.2%
Age 65+
21.9%±2.4Highest
NH: 20.1%
14.3%±2.6
NH: 20.1%
9.4%±2.8Lowest
NH: 20.1%
Bachelor’s degree+adults 25+
64%Highest
NH: 40.6%
52.6%Lowest
NH: 40.6%
63.7%
NH: 40.6%
Enrolled in collegeshare of residents
3.8%±1.2
NH: 6%
3.4%±1.8Lowest
NH: 6%
42.5%±2.1Highest
NH: 6%
Cost of living
Household incomemedian
$106,219±$7k
7% above NH
$148,365±$30kHighest
50% above NH
$89,500±$32kLowest
10% below NH
Home valuemedian, owner-occupied
$688,500±$39kHighest
71% above NH
$476,900±$31k
18% above NH
$294,400±$28kLowest
27% below NH
Rentmedian gross, monthly
$1,869±$111Highest
25% above NH
$1,574±$759
6% above NH
$1,296±$295Lowest
13% below NH
Portsmouth and Madbury are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$8,018
20% above NH
$10,000+Highest
at least 50% above NH
$6,483Lowest
about the NH average
Renters paying 30%+of income on rent
50.4%±7.2Highest
NH: 48.2%
16.7%±15.2Lowest
NH: 48.2%
31.8%±10.7
NH: 48.2%
Below poverty line
6.8%
NH: 7.2%
4.9%Lowest
NH: 7.2%
17%Highest
NH: 7.2%
Housing
Homeownersof occupied homes
51.9%
NH: 72.8%
82.9%Highest
NH: 72.8%
50.7%Lowest
NH: 72.8%
Typical home builtmedian year
1959Lowest
20 yrs older than NH
1984Highest
5 yrs newer than NH
1971
8 yrs older than NH
Getting to work
Average commuteone way
22 min
17% below NH
25 minHighest
5% below NH
16 minLowest
39% below NH
Work from home
21.9%±4Highest
NH: 16.8%
14%±3.6
NH: 16.8%
10.5%±4Lowest
NH: 16.8%
Schools
Public school scoresrank in state, math + reading #11 of 120 in NH — #47 of 120 in NH
School district Portsmouth School District Oyster River Coop School District —
High school in town Portsmouth High School None in town —
Students per teacherat that high school
11.4
— —
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.