Compare towns

Greenland vs Portsmouth vs Brentwood

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

What stands out worked out from the figures below

Greenland has grown the fastest since 2010 (+14.6%).
Portsmouth has the most renters (48.1% rent).
Brentwood has the most affordable homes ($528k median).

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.

MeasureGreenlandPortsmouthBrentwood
People
Population
4,106Lowest
22,545Highest
4,641
Growth since 20102010 → 2020 census
+14.6%Highest
NH: +4.6%
+5.7%
NH: +4.6%
+0.1%Lowest
NH: +4.6%
Median age
48.4±7.7Highest
12% above NH
42.9±2Lowest
about the NH average
43.8±3.1
about the NH average
Greenland and Brentwood are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
19.8%±5.2
NH: 18.2%
14%±1.9Lowest
NH: 18.2%
21.4%±4.1Highest
NH: 18.2%
Brentwood and Greenland are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
28.9%±5Highest
NH: 20.1%
21.9%±2.4
NH: 20.1%
21.8%±3.7Lowest
NH: 20.1%
Greenland and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
59.6%
NH: 40.6%
64%Highest
NH: 40.6%
49%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
2.3%±1.6Lowest
NH: 6%
3.8%±1.2Highest
NH: 6%
3.6%±2.4
NH: 6%
Portsmouth and Brentwood are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$162,837±$11k
64% above NH
$106,219±$7kLowest
7% above NH
$165,509±$23kHighest
67% above NH
Brentwood and Greenland are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$662,800±$42k
65% above NH
$688,500±$39kHighest
71% above NH
$528,100±$75kLowest
31% above NH
Portsmouth and Greenland are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$2,331±$363Highest
56% above NH
$1,869±$111Lowest
25% above NH
$2,217±$654
49% above NH
Greenland and Brentwood are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$7,420Lowest
11% above NH
$8,018
20% above NH
$9,713Highest
46% above NH
Renters paying 30%+of income on rent
77.3%±44.3Highest
NH: 48.2%
50.4%±7.2Lowest
NH: 48.2%
63.9%±37.7
NH: 48.2%
Greenland and Brentwood are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
0.5%Lowest
NH: 7.2%
6.8%Highest
NH: 7.2%
3.3%
NH: 7.2%
Housing
Homeownersof occupied homes
93.3%
NH: 72.8%
51.9%Lowest
NH: 72.8%
96%Highest
NH: 72.8%
Typical home builtmedian year
1987
8 yrs newer than NH
1959Lowest
20 yrs older than NH
1995Highest
16 yrs newer than NH
Getting to work
Average commuteone way
21 minLowest
23% below NH
22 min
17% below NH
28 minHighest
4% above NH
Work from home
32.2%±7.7Highest
NH: 16.8%
21.9%±4Lowest
NH: 16.8%
23.1%±8.5
NH: 16.8%
Greenland and Brentwood 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 #10 of 120 in NH #11 of 120 in NH #16 of 120 in NH
School district Greenland School District Portsmouth School District Brentwood School District
High school in town None 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 6 photos →

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.