Compare towns

Newmarket vs Portsmouth vs Lyndeborough

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

What stands out worked out from the figures below

Newmarket has the most kids (15.6% under 18).
Portsmouth has the most expensive homes ($689k median).
Lyndeborough has the most homeowners (92.4%).

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.

MeasureNewmarketPortsmouthLyndeborough
People
Population
9,463
22,545Highest
1,616Lowest
Growth since 20102010 → 2020 census
+5.5%
NH: +4.6%
+5.7%Highest
NH: +4.6%
+1.1%Lowest
NH: +4.6%
Median age
41.2±1.9Lowest
5% below NH
42.9±2
about the NH average
50±3.2Highest
15% above NH
Kids under 18
15.6%±2.7Highest
NH: 18.2%
14%±1.9Lowest
NH: 18.2%
14.9%±5.3
NH: 18.2%
Newmarket and Lyndeborough are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.1%±2.8Lowest
NH: 20.1%
21.9%±2.4
NH: 20.1%
22.6%±1.8Highest
NH: 20.1%
Lyndeborough and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
49.7%
NH: 40.6%
64%Highest
NH: 40.6%
40.1%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
5.6%±1.9Highest
NH: 6%
3.8%±1.2
NH: 6%
3.7%±1.5Lowest
NH: 6%
Newmarket and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$100,845±$13kLowest
about the NH average
$106,219±$7k
7% above NH
$116,964±$17kHighest
18% above NH
Lyndeborough and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$455,000±$22k
13% above NH
$688,500±$39kHighest
71% above NH
$390,900±$26kLowest
about the NH average
Rentmedian gross, monthly
$1,671±$69
12% above NH
$1,869±$111Highest
25% above NH
$1,482±$457Lowest
about the NH average
Property taxmedian, yearly
$8,734Highest
31% above NH
$8,018
20% above NH
$7,133Lowest
7% above NH
Renters paying 30%+of income on rent
46.3%±8.3Lowest
NH: 48.2%
50.4%±7.2Highest
NH: 48.2%
48.9%±90
NH: 48.2%
Portsmouth and Lyndeborough are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4.6%
NH: 7.2%
6.8%Highest
NH: 7.2%
3.7%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
52.9%
NH: 72.8%
51.9%Lowest
NH: 72.8%
92.4%Highest
NH: 72.8%
Typical home builtmedian year
1983Highest
4 yrs newer than NH
1959Lowest
20 yrs older than NH
1981
2 yrs newer than NH
Getting to work
Average commuteone way
28 min
6% above NH
22 minLowest
17% below NH
39 minHighest
46% above NH
Work from home
17.3%±3.3
NH: 16.8%
21.9%±4Highest
NH: 16.8%
16.7%±3.5Lowest
NH: 16.8%
Portsmouth and Newmarket 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 #39 of 120 in NH #11 of 120 in NH —
School district Newmarket School District Portsmouth School District Wilton-Lyndeborough Cooperative School District
High school in town Newmarket Jr.-Sr. High School Portsmouth High School None in town
Students per teacherat that high school
9.9Lowest
11.4Highest
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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.