Compare towns

Dover vs Durham vs Cornish 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%).
Durham has the youngest population (median age 20.1).
Cornish has the most homeowners (94.1%).
Portsmouth has the most expensive homes ($689k median).
Durham is a college town. 70.2% 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.

MeasureDoverDurhamCornishPortsmouth
People
Population
33,364Highest
10,681
1,816Lowest
22,545
Growth since 20102010 → 2020 census
+9.2%Highest
NH: +4.6%
+7.8%
NH: +4.6%
-1.5%Lowest
NH: +4.6%
+5.7%
NH: +4.6%
Median age
36.9±1.9
15% below NH
20.1±0.2Lowest
54% below NH
54±8.3Highest
25% above NH
42.9±2
about the NH average
Kids under 18
16.9%±1.8Highest
NH: 18.2%
6.5%±2Lowest
NH: 18.2%
14.4%±3.2
NH: 18.2%
14%±1.9
NH: 18.2%
Dover and Cornish are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.8%±1.8
NH: 20.1%
7.5%±1.4Lowest
NH: 20.1%
27.3%±4.1Highest
NH: 20.1%
21.9%±2.4
NH: 20.1%
Cornish and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
52%
NH: 40.6%
75.4%Highest
NH: 40.6%
40.6%Lowest
NH: 40.6%
64%
NH: 40.6%
Enrolled in collegeshare of residents
6.2%±1.2
NH: 6%
70.2%±1.6Highest
NH: 6%
1.4%±0.9Lowest
NH: 6%
3.8%±1.2
NH: 6%
Cost of living
Household incomemedian
$94,829±$7k
4% below NH
$112,070±$25kHighest
13% above NH
$91,821±$2kLowest
7% below NH
$106,219±$7k
7% above NH
Durham and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$436,700±$20k
8% above NH
$498,000±$45k
24% above NH
$296,000±$69kLowest
26% below NH
$688,500±$39kHighest
71% above NH
Rentmedian gross, monthly
$1,607±$100
8% above NH
$1,302±$211
13% below NH
$1,221±$227Lowest
18% below NH
$1,869±$111Highest
25% above NH
Property taxmedian, yearly
$8,249
24% above NH
$10,000+Highest
at least 50% above NH
$5,796Lowest
13% below NH
$8,018
20% above NH
Renters paying 30%+of income on rent
48.6%±6.3
NH: 48.2%
55.4%±19.2Highest
NH: 48.2%
40.5%±38.1Lowest
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
8.3%
NH: 7.2%
12.4%Highest
NH: 7.2%
4.7%Lowest
NH: 7.2%
6.8%
NH: 7.2%
Housing
Homeownersof occupied homes
52.7%
NH: 72.8%
53.6%
NH: 72.8%
94.1%Highest
NH: 72.8%
51.9%Lowest
NH: 72.8%
Typical home builtmedian year
1976
3 yrs older than NH
1973
6 yrs older than NH
1980Highest
1 yr newer than NH
1959Lowest
20 yrs older than NH
Getting to work
Average commuteone way
23 min
15% below NH
17 minLowest
36% below NH
24 minHighest
9% below NH
22 min
17% below NH
Work from home
18.6%±2.5
NH: 16.8%
15.6%±3.3
NH: 16.8%
12%±4.1Lowest
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 #64 of 120 in NH #9 of 120 in NH — #11 of 120 in NH
School district Dover School District — Cornish School District Portsmouth School District
High school in town Dover Senior High School — None in town Portsmouth High School
Students per teacherat that high school
12.7Highest
— —
11.4Lowest
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.