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.
| Measure | Greenland | Portsmouth | Brentwood |
|---|---|---|---|
| Your priorities | |||
| 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 |
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| 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.


