Compare towns

Portsmouth vs Topsham vs Dover

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Portsmouth has the most expensive homes ($689k median).
Topsham has the most homeowners (78.9%).
Dover has the youngest population (median age 36.9).

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.

MeasurePortsmouthTopshamDover
People
Population
22,545
9,706Lowest
33,364Highest
Growth since 20102010 → 2020 census
+5.7%Lowest
U.S.: +7.4%
+8.8%
U.S.: +7.4%
+9.2%Highest
U.S.: +7.4%
Median age
42.9±2
10% above U.S.
44.7±4Highest
15% above U.S.
36.9±1.9Lowest
5% below U.S.
Topsham and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14%±1.9Lowest
U.S.: 22%
19.9%±3.6Highest
U.S.: 22%
16.9%±1.8
U.S.: 22%
Topsham and Dover are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.9%±2.4
U.S.: 17.2%
24.4%±3.2Highest
U.S.: 17.2%
16.8%±1.8Lowest
U.S.: 17.2%
Topsham and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
64%Highest
U.S.: 35.7%
50%Lowest
U.S.: 35.7%
52%
U.S.: 35.7%
Enrolled in collegeshare of residents
3.8%±1.2Lowest
U.S.: 6.4%
4.9%±1.8
U.S.: 6.4%
6.2%±1.2Highest
U.S.: 6.4%
Dover and Topsham are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7kHighest
32% above U.S.
$91,028±$10kLowest
13% above U.S.
$94,829±$7k
17% above U.S.
Portsmouth and Dover are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$688,500±$39kHighest
107% above U.S.
$360,800±$20kLowest
8% above U.S.
$436,700±$20k
31% above U.S.
Rentmedian gross, monthly
$1,869±$111Highest
32% above U.S.
$1,355±$642Lowest
4% below U.S.
$1,607±$100
14% above U.S.
Property taxmedian, yearly
$8,018
157% above U.S.
$4,259Lowest
37% above U.S.
$8,249Highest
164% above U.S.
Renters paying 30%+of income on rent
50.4%±7.2Highest
U.S.: 51.1%
40.3%±12.9Lowest
U.S.: 51.1%
48.6%±6.3
U.S.: 51.1%
Portsmouth and Dover are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%
U.S.: 12.5%
6.4%Lowest
U.S.: 12.5%
8.3%Highest
U.S.: 12.5%
Housing
Homeownersof occupied homes
51.9%Lowest
U.S.: 65.2%
78.9%Highest
U.S.: 65.2%
52.7%
U.S.: 65.2%
Typical home builtmedian year
1959Lowest
21 yrs older than U.S.
1980Highest
same as U.S.
1976
4 yrs older than U.S.
Getting to work
Average commuteone way
22 minLowest
16% below U.S.
24 minHighest
11% below U.S.
23 min
14% below U.S.
Work from home
21.9%±4Highest
U.S.: 15.1%
17.2%±4.3Lowest
U.S.: 15.1%
18.6%±2.5
U.S.: 15.1%
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 #11 of 120 in NH #66 of 133 in ME #64 of 120 in NH
School district Portsmouth School District RSU 75/MSAD 75 Dover School District
High school in town Portsmouth High School Mt Ararat High School Dover Senior High School
Students per teacherat that high school
11.4Lowest
12.2
12.7Highest
On TownTapestry
Old photos in Our Story None yet None yet None yet

U.S. 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.