Compare towns

Derry vs Unity vs Somersworth

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

Derry has grown the fastest since 2010 (+3.9%).
Unity has the most homeowners (94.5%).
Somersworth has the shortest commute (26 min average).

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.

MeasureDerryUnitySomersworth
People
Population
21,339Highest
1,375Lowest
12,111
Growth since 20102010 → 2020 census
+3.9%Highest
NH: +4.6%
-9.2%Lowest
NH: +4.6%
+0.8%
NH: +4.6%
Median age
41±3
5% below NH
58±4.5Highest
34% above NH
38.4±2.7Lowest
11% below NH
Kids under 18
19.9%±2.8Highest
NH: 18.2%
12%±4.1Lowest
NH: 18.2%
19.9%±4Highest
NH: 18.2%
Age 65+
14.8%±2
NH: 20.1%
34.9%±7Highest
NH: 20.1%
14%±3Lowest
NH: 20.1%
Bachelor’s degree+adults 25+
36.7%Highest
NH: 40.6%
21.6%Lowest
NH: 40.6%
31.4%
NH: 40.6%
Enrolled in collegeshare of residents
7.2%±2.2Highest
NH: 6%
1%±0.7Lowest
NH: 6%
4.9%±2
NH: 6%
Derry and Somersworth are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$91,673±$11kHighest
7% below NH
$87,500±$16k
12% below NH
$74,504±$13kLowest
25% below NH
Derry and Unity are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$391,200±$23kHighest
about the NH average
$276,100±$29kLowest
31% below NH
$318,400±$23k
21% below NH
Rentmedian gross, monthly
$1,549±$137
4% above NH
$1,625±$804Highest
9% above NH
$1,477±$134Lowest
about the NH average
Unity and Derry are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly
$7,278Highest
9% above NH
$5,394Lowest
19% below NH
$6,805
about the NH average
Renters paying 30%+of income on rent
54.7%±9.5
NH: 48.2%
40%±100Lowest
NH: 48.2%
56.3%±14.7Highest
NH: 48.2%
Somersworth and Derry are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4.4%Lowest
NH: 7.2%
6.3%
NH: 7.2%
11.2%Highest
NH: 7.2%
Housing
Homeownersof occupied homes
59.1%
NH: 72.8%
94.5%Highest
NH: 72.8%
57.8%Lowest
NH: 72.8%
Typical home builtmedian year
1982Highest
3 yrs newer than NH
1982Highest
3 yrs newer than NH
1967Lowest
12 yrs older than NH
Getting to work
Average commuteone way
29 min
10% above NH
35 minHighest
31% above NH
26 minLowest
3% below NH
Work from home
14.2%±3.5Highest
NH: 16.8%
9.5%±4Lowest
NH: 16.8%
11.7%±3.5
NH: 16.8%
Derry and Somersworth 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 #60 of 120 in NH — #117 of 120 in NH
School district — Unity School District Somersworth School District
High school in town — None in town Somersworth High School
Students per teacherat that high school — —
11.4
On TownTapestry
Old photos in History None yet 4 photos → 72 photos →

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.