Compare towns
Newmarket vs Dover vs Plainfield 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
Dover has grown the fastest since 2010 (+9.2%).
Plainfield has the most homeowners (87.3%).
Portsmouth has the most expensive homes ($689k 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 | Newmarket | Dover | Plainfield | Portsmouth |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 9,463 |
33,364Highest |
2,522Lowest |
22,545 |
| Growth since 20102010 → 2020 census | +5.5% NH: +4.6% |
+9.2%Highest NH: +4.6% |
+4%Lowest NH: +4.6% |
+5.7% NH: +4.6% |
| Median age | 41.2±1.9 5% below NH |
36.9±1.9Lowest 15% below NH |
38.9±6.5 10% below NH |
42.9±2Highest about the NH average |
| Portsmouth and Newmarket are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 15.6%±2.7 NH: 18.2% |
16.9%±1.8 NH: 18.2% |
23.4%±5.8Highest NH: 18.2% |
14%±1.9Lowest NH: 18.2% |
| Plainfield and Dover are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 16.1%±2.8Lowest NH: 20.1% |
16.8%±1.8 NH: 20.1% |
19.8%±4.5 NH: 20.1% |
21.9%±2.4Highest NH: 20.1% |
| Portsmouth and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 49.7% NH: 40.6% |
52% NH: 40.6% |
46.7%Lowest NH: 40.6% |
64%Highest NH: 40.6% |
| Enrolled in collegeshare of residents | 5.6%±1.9 NH: 6% |
6.2%±1.2Highest NH: 6% |
4.8%±2.3 NH: 6% |
3.8%±1.2Lowest NH: 6% |
| Dover and Newmarket are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Cost of living | ||||
| Household incomemedian | $100,845±$13k about the NH average |
$94,829±$7kLowest 4% below NH |
$122,656±$13kHighest 24% above NH |
$106,219±$7k 7% above NH |
| Plainfield and Portsmouth are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Home valuemedian, owner-occupied | $455,000±$22k 13% above NH |
$436,700±$20kLowest 8% above NH |
$442,400±$47k 10% above NH |
$688,500±$39kHighest 71% above NH |
| Rentmedian gross, monthly | $1,671±$69 12% above NH |
$1,607±$100Lowest 8% above NH |
$1,674±$181 12% above NH |
$1,869±$111Highest 25% above NH |
| Portsmouth and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $8,734Highest 31% above NH |
$8,249 24% above NH |
$7,904Lowest 19% above NH |
$8,018 20% above NH |
| Renters paying 30%+of income on rent | 46.3%±8.3 NH: 48.2% |
48.6%±6.3 NH: 48.2% |
31.8%±23.1Lowest NH: 48.2% |
50.4%±7.2Highest NH: 48.2% |
| Portsmouth and Dover are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 4.6%Lowest NH: 7.2% |
8.3%Highest NH: 7.2% |
5.2% NH: 7.2% |
6.8% NH: 7.2% |
| Housing | ||||
| Homeownersof occupied homes | 52.9% NH: 72.8% |
52.7% NH: 72.8% |
87.3%Highest NH: 72.8% |
51.9%Lowest NH: 72.8% |
| Typical home builtmedian year | 1983Highest 4 yrs newer than NH |
1976 3 yrs older than NH |
1977 2 yrs older than NH |
1959Lowest 20 yrs older than NH |
| Getting to work | ||||
| Average commuteone way | 28 minHighest 6% above NH |
23 min 15% below NH |
22 minLowest 18% below NH |
22 min 17% below NH |
| Work from home | 17.3%±3.3Lowest NH: 16.8% |
18.6%±2.5 NH: 16.8% |
18.1%±8.5 NH: 16.8% |
21.9%±4Highest NH: 16.8% |
| Portsmouth and Dover 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 | #39 of 120 in NH | #64 of 120 in NH | #19 of 120 in NH | #11 of 120 in NH |
| School district | Newmarket School District | Dover School District | Plainfield School District | Portsmouth School District |
| High school in town | Newmarket Jr.-Sr. High School | Dover Senior High School | None in town | Portsmouth High School |
| Students per teacherat that high school | 9.9Lowest |
12.7Highest |
— | 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.