Compare towns
Greenland vs New Castle vs Newington 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
Greenland has grown the fastest since 2010 (+14.6%).
New Castle has the most expensive homes ($1701k median).
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 | Greenland | New Castle | Newington | Portsmouth |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 4,106 |
827Lowest |
939 |
22,545Highest |
| Growth since 20102010 → 2020 census | +14.6%Highest NH: +4.6% |
+3.3%Lowest NH: +4.6% |
+7.7% NH: +4.6% |
+5.7% NH: +4.6% |
| Median age | 48.4±7.7 12% above NH |
62.8±6Highest 45% above NH |
48.7±10.1 12% above NH |
42.9±2Lowest about the NH average |
| New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 19.8%±5.2Highest NH: 18.2% |
12.9%±7.1Lowest NH: 18.2% |
15.7%±4.9 NH: 18.2% |
14%±1.9 NH: 18.2% |
| Greenland and Newington are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 28.9%±5 NH: 20.1% |
44.3%±16.1Highest NH: 20.1% |
28%±11 NH: 20.1% |
21.9%±2.4Lowest NH: 20.1% |
| New Castle and Greenland are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 59.6%Lowest NH: 40.6% |
68.8%Highest NH: 40.6% |
62.4% NH: 40.6% |
64% NH: 40.6% |
| Enrolled in collegeshare of residents | 2.3%±1.6 NH: 6% |
0.6%±1.8Lowest NH: 6% |
3.9%±1.8Highest NH: 6% |
3.8%±1.2 NH: 6% |
| Newington and Portsmouth 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 |
$176,953±$29kHighest 79% above NH |
$145,833±$46k 47% above NH |
$106,219±$7kLowest 7% above NH |
| New Castle 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±$42kLowest 65% above NH |
$1,701,300±$267kHighest 323% above NH |
$861,600±$46k 114% above NH |
$688,500±$39k 71% above NH |
| Rentmedian gross, monthly | $2,331±$363 56% above NH |
$3,501Highest 135% above NH |
$2,292±$795 54% above NH |
$1,869±$111Lowest 25% above NH |
| Property taxmedian, yearly | $7,420 11% above NH |
$8,509Highest 28% above NH |
$6,081Lowest 9% below NH |
$8,018 20% above NH |
| Renters paying 30%+of income on rent | 77.3%±44.3Highest NH: 48.2% |
0%±85.7Lowest NH: 48.2% |
62.9%±44 NH: 48.2% |
50.4%±7.2 NH: 48.2% |
| Greenland and Newington 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% |
4.6% NH: 7.2% |
4% NH: 7.2% |
6.8%Highest NH: 7.2% |
| Housing | ||||
| Homeownersof occupied homes | 93.3%Highest NH: 72.8% |
93% NH: 72.8% |
86.9% NH: 72.8% |
51.9%Lowest NH: 72.8% |
| Typical home builtmedian year | 1987Highest 8 yrs newer than NH |
1975 4 yrs older than NH |
1984 5 yrs newer than NH |
1959Lowest 20 yrs older than NH |
| Getting to work | ||||
| Average commuteone way | 21 minLowest 23% below NH |
33 minHighest 22% above NH |
23 min 13% below NH |
22 min 17% below NH |
| Work from home | 32.2%±7.7 NH: 16.8% |
40.1%±19.4Highest NH: 16.8% |
8%±2.4Lowest NH: 16.8% |
21.9%±4 NH: 16.8% |
| New Castle and Greenland 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 |
| School district | Greenland School District | New Castle School District | Newington School District | Portsmouth School District |
| High school in town | None 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 | 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.



