Compare towns
Brentwood vs Greenland vs Portsmouth
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Brentwood has the most affordable homes ($528k median).
Greenland has grown the fastest since 2010 (+14.6%).
Portsmouth has the most renters (48.1% rent).
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 | Brentwood | Greenland | Portsmouth |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 4,641 |
4,106Lowest |
22,545Highest |
| Growth since 20102010 → 2020 census | +0.1%Lowest NH: +4.6% |
+14.6%Highest NH: +4.6% |
+5.7% NH: +4.6% |
| Median age | 43.8±3.1 about the NH average |
48.4±7.7Highest 12% above NH |
42.9±2Lowest 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 | 21.4%±4.1Highest NH: 18.2% |
19.8%±5.2 NH: 18.2% |
14%±1.9Lowest 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+ | 21.8%±3.7Lowest NH: 20.1% |
28.9%±5Highest NH: 20.1% |
21.9%±2.4 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+ | 49%Lowest NH: 40.6% |
59.6% NH: 40.6% |
64%Highest NH: 40.6% |
| Enrolled in collegeshare of residents | 3.6%±2.4 NH: 6% |
2.3%±1.6Lowest NH: 6% |
3.8%±1.2Highest 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 | $165,509±$23kHighest 67% above NH |
$162,837±$11k 64% above NH |
$106,219±$7kLowest 7% 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 | $528,100±$75kLowest 31% above NH |
$662,800±$42k 65% above NH |
$688,500±$39kHighest 71% 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 | $2,217±$654 49% above NH |
$2,331±$363Highest 56% above NH |
$1,869±$111Lowest 25% 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 | $9,713Highest 46% above NH |
$7,420Lowest 11% above NH |
$8,018 20% above NH |
| Renters paying 30%+of income on rent | 63.9%±37.7 NH: 48.2% |
77.3%±44.3Highest NH: 48.2% |
50.4%±7.2Lowest 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 | 3.3% NH: 7.2% |
0.5%Lowest NH: 7.2% |
6.8%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 96%Highest NH: 72.8% |
93.3% NH: 72.8% |
51.9%Lowest NH: 72.8% |
| Typical home builtmedian year | 1995Highest 16 yrs newer than NH |
1987 8 yrs newer than NH |
1959Lowest 20 yrs older than NH |
| Getting to work | |||
| Average commuteone way | 28 minHighest 4% above NH |
21 minLowest 23% below NH |
22 min 17% below NH |
| Work from home | 23.1%±8.5 NH: 16.8% |
32.2%±7.7Highest NH: 16.8% |
21.9%±4Lowest 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 | #16 of 120 in NH | #10 of 120 in NH | #11 of 120 in NH |
| School district | Brentwood School District | Greenland School District | Portsmouth School District |
| High school in town | None in town | None in town | Portsmouth High School |
| Students per teacherat that high school | — | — | 11.4 |
| On TownTapestry | |||
| Old photos in Our Story | 6 photos → | 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.