Compare towns

Portsmouth vs Lebanon vs New Castle 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

Portsmouth has the oldest housing (typical home built 1959).
Lebanon has grown the fastest since 2010 (+8.6%).
New Castle has the most expensive homes ($1701k median).
Newmarket has the most kids (15.6% under 18).

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.

MeasurePortsmouthLebanonNew CastleNewmarket
People
Population
22,545Highest
14,999
827Lowest
9,463
Growth since 20102010 → 2020 census
+5.7%
NH: +4.6%
+8.6%Highest
NH: +4.6%
+3.3%Lowest
NH: +4.6%
+5.5%
NH: +4.6%
Median age
42.9±2
about the NH average
38.9±3.1Lowest
10% below NH
62.8±6Highest
45% above NH
41.2±1.9
5% below NH
Kids under 18
14%±1.9
NH: 18.2%
14.6%±2.4
NH: 18.2%
12.9%±7.1Lowest
NH: 18.2%
15.6%±2.7Highest
NH: 18.2%
Newmarket and Lebanon are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.9%±2.4
NH: 20.1%
21.4%±2.6
NH: 20.1%
44.3%±16.1Highest
NH: 20.1%
16.1%±2.8Lowest
NH: 20.1%
Bachelor’s degree+adults 25+
64%
NH: 40.6%
57.5%
NH: 40.6%
68.8%Highest
NH: 40.6%
49.7%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
3.8%±1.2
NH: 6%
6.9%±2.6Highest
NH: 6%
0.6%±1.8Lowest
NH: 6%
5.6%±1.9
NH: 6%
Lebanon and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7k
7% above NH
$98,147±$10kLowest
about the NH average
$176,953±$29kHighest
79% above NH
$100,845±$13k
about the NH average
Home valuemedian, owner-occupied
$688,500±$39k
71% above NH
$385,400±$29kLowest
4% below NH
$1,701,300±$267kHighest
323% above NH
$455,000±$22k
13% above NH
Rentmedian gross, monthly
$1,869±$111
25% above NH
$1,744±$132
17% above NH
$3,501Highest
135% above NH
$1,671±$69Lowest
12% above NH
Property taxmedian, yearly
$8,018Lowest
20% above NH
$8,149
22% above NH
$8,509
28% above NH
$8,734Highest
31% above NH
Renters paying 30%+of income on rent
50.4%±7.2Highest
NH: 48.2%
41.9%±7.2
NH: 48.2%
0%±85.7Lowest
NH: 48.2%
46.3%±8.3
NH: 48.2%
Portsmouth and Newmarket are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%
NH: 7.2%
7%Highest
NH: 7.2%
4.6%Lowest
NH: 7.2%
4.6%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
51.9%
NH: 72.8%
51.2%Lowest
NH: 72.8%
93%Highest
NH: 72.8%
52.9%
NH: 72.8%
Typical home builtmedian year
1959Lowest
20 yrs older than NH
1980
1 yr newer than NH
1975
4 yrs older than NH
1983Highest
4 yrs newer than NH
Getting to work
Average commuteone way
22 min
17% below NH
14 minLowest
48% below NH
33 minHighest
22% above NH
28 min
6% above NH
Work from home
21.9%±4
NH: 16.8%
22.8%±4.3
NH: 16.8%
40.1%±19.4Highest
NH: 16.8%
17.3%±3.3Lowest
NH: 16.8%
New Castle and Lebanon 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 #11 of 120 in NH #29 of 120 in NH — #39 of 120 in NH
School district Portsmouth School District Lebanon School District New Castle School District Newmarket School District
High school in town Portsmouth High School Lebanon High School None in town Newmarket Jr.-Sr. High School
Students per teacherat that high school
11.4
11.7Highest
—
9.9Lowest
On TownTapestry
Old photos in Our Story None yet 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.