Compare towns

Durham vs Portsmouth vs Somersworth vs Newmarket

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

What stands out worked out from the figures below

Durham has the youngest population (median age 20.8).
Portsmouth has the most expensive homes ($689k median).
Somersworth has the most affordable homes ($318k median).
Durham is a college town. 55.1% 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.

MeasureDurhamPortsmouthSomersworthNewmarket
People
Population
15,080
22,545Highest
12,111
9,463Lowest
Growth since 20102010 → 2020 census
+5.8%Highest
NH: +4.6%
+5.7%
NH: +4.6%
+0.8%Lowest
NH: +4.6%
+5.5%
NH: +4.6%
Median age
20.8±0.3Lowest
52% below NH
42.9±2Highest
about the NH average
38.4±2.7
11% below NH
41.2±1.9
5% below NH
Portsmouth and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
10.3%±2.1Lowest
NH: 18.2%
14%±1.9
NH: 18.2%
19.9%±4Highest
NH: 18.2%
15.6%±2.7
NH: 18.2%
Somersworth and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
11.5%±1.6Lowest
NH: 20.1%
21.9%±2.4Highest
NH: 20.1%
14%±3
NH: 20.1%
16.1%±2.8
NH: 20.1%
Bachelor’s degree+adults 25+
75.4%Highest
NH: 40.6%
64%
NH: 40.6%
31.4%Lowest
NH: 40.6%
49.7%
NH: 40.6%
Enrolled in collegeshare of residents
55.1%±3.2Highest
NH: 6%
3.8%±1.2Lowest
NH: 6%
4.9%±2
NH: 6%
5.6%±1.9
NH: 6%
Cost of living
Household incomemedian
$124,056±$21kHighest
25% above NH
$106,219±$7k
7% above NH
$74,504±$13kLowest
25% below NH
$100,845±$13k
about the NH average
Durham and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$504,300±$41k
25% above NH
$688,500±$39kHighest
71% above NH
$318,400±$23kLowest
21% below NH
$455,000±$22k
13% above NH
Rentmedian gross, monthly
$1,429±$143Lowest
4% below NH
$1,869±$111Highest
25% above NH
$1,477±$134
about the NH average
$1,671±$69
12% above NH
Property taxmedian, yearly
$10,000+Highest
at least 50% above NH
$8,018
20% above NH
$6,805Lowest
about the NH average
$8,734
31% above NH
Renters paying 30%+of income on rent
66.4%±16Highest
NH: 48.2%
50.4%±7.2
NH: 48.2%
56.3%±14.7
NH: 48.2%
46.3%±8.3Lowest
NH: 48.2%
Durham and Somersworth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
15.1%Highest
NH: 7.2%
6.8%
NH: 7.2%
11.2%
NH: 7.2%
4.6%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
64.4%Highest
NH: 72.8%
51.9%Lowest
NH: 72.8%
57.8%
NH: 72.8%
52.9%
NH: 72.8%
Typical home builtmedian year
1981
2 yrs newer than NH
1959Lowest
20 yrs older than NH
1967
12 yrs older than NH
1983Highest
4 yrs newer than NH
Getting to work
Average commuteone way
19 minLowest
27% below NH
22 min
17% below NH
26 min
3% below NH
28 minHighest
6% above NH
Work from home
19.4%±3.5
NH: 16.8%
21.9%±4Highest
NH: 16.8%
11.7%±3.5Lowest
NH: 16.8%
17.3%±3.3
NH: 16.8%
Portsmouth and Durham 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 #9 of 120 in NH #11 of 120 in NH #117 of 120 in NH #39 of 120 in NH
School district Oyster River Coop School District Portsmouth School District Somersworth School District Newmarket School District
High school in town Oyster River High School Portsmouth High School Somersworth High School Newmarket Jr.-Sr. High School
Students per teacherat that high school
12.3Highest
11.4
11.4
9.9Lowest
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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.