Compare towns
Newmarket vs Plainfield vs Durham 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
Plainfield has the most kids (23.4% under 18).
Durham has the youngest population (median age 20.8).
Portsmouth has the most expensive homes ($689k median).
Durham is a college town. 55.1% of residents are enrolled in college, which pulls its median age, poverty rate and renter figures away from what a year-round family would see.
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 | Plainfield | Durham | Portsmouth |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 9,463 |
2,522Lowest |
15,080 |
22,545Highest |
| Growth since 20102010 → 2020 census | +5.5% NH: +4.6% |
+4%Lowest NH: +4.6% |
+5.8%Highest NH: +4.6% |
+5.7% NH: +4.6% |
| Median age | 41.2±1.9 5% below NH |
38.9±6.5 10% below NH |
20.8±0.3Lowest 52% 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% |
23.4%±5.8Highest NH: 18.2% |
10.3%±2.1Lowest NH: 18.2% |
14%±1.9 NH: 18.2% |
| Plainfield and Newmarket are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 16.1%±2.8 NH: 20.1% |
19.8%±4.5 NH: 20.1% |
11.5%±1.6Lowest 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% |
46.7%Lowest NH: 40.6% |
75.4%Highest NH: 40.6% |
64% NH: 40.6% |
| Enrolled in collegeshare of residents | 5.6%±1.9 NH: 6% |
4.8%±2.3 NH: 6% |
55.1%±3.2Highest NH: 6% |
3.8%±1.2Lowest NH: 6% |
| Cost of living | ||||
| Household incomemedian | $100,845±$13kLowest about the NH average |
$122,656±$13k 24% above NH |
$124,056±$21kHighest 25% above NH |
$106,219±$7k 7% above NH |
| Durham and Plainfield 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 |
$442,400±$47kLowest 10% above NH |
$504,300±$41k 25% above NH |
$688,500±$39kHighest 71% above NH |
| Rentmedian gross, monthly | $1,671±$69 12% above NH |
$1,674±$181 12% above NH |
$1,429±$143Lowest 4% below 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 | $8,734 31% above NH |
$7,904Lowest 19% above NH |
$10,000+Highest at least 50% above NH |
$8,018 20% above NH |
| Renters paying 30%+of income on rent | 46.3%±8.3 NH: 48.2% |
31.8%±23.1Lowest NH: 48.2% |
66.4%±16Highest NH: 48.2% |
50.4%±7.2 NH: 48.2% |
| Durham and Portsmouth 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% |
5.2% NH: 7.2% |
15.1%Highest NH: 7.2% |
6.8% NH: 7.2% |
| Housing | ||||
| Homeownersof occupied homes | 52.9% NH: 72.8% |
87.3%Highest NH: 72.8% |
64.4% NH: 72.8% |
51.9%Lowest NH: 72.8% |
| Typical home builtmedian year | 1983Highest 4 yrs newer than NH |
1977 2 yrs older than NH |
1981 2 yrs newer than NH |
1959Lowest 20 yrs older than NH |
| Getting to work | ||||
| Average commuteone way | 28 minHighest 6% above NH |
22 min 18% below NH |
19 minLowest 27% below NH |
22 min 17% below NH |
| Work from home | 17.3%±3.3Lowest NH: 16.8% |
18.1%±8.5 NH: 16.8% |
19.4%±3.5 NH: 16.8% |
21.9%±4Highest NH: 16.8% |
| Portsmouth and Durham 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 | #19 of 120 in NH | #9 of 120 in NH | #11 of 120 in NH |
| School district | Newmarket School District | Plainfield School District | Oyster River Coop School District | Portsmouth School District |
| High school in town | Newmarket Jr.-Sr. High School | None in town | Oyster River High School | Portsmouth High School |
| Students per teacherat that high school | 9.9Lowest |
— | 12.3Highest |
11.4 |
| On TownTapestry | ||||
| Old photos in Our Story | None yet | None yet | 51 photos → | 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.