Compare towns

Derry vs Unity vs Salem

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 the most kids (20.7% under 18).
Unity has the most affordable homes ($276k median).
Salem has grown the fastest since 2010 (+4.6%).

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.

MeasureDerryUnitySalem
People
Population
34,116Highest
1,375Lowest
30,964
Growth since 20102010 → 2020 census
+3.6%
NH: +4.6%
-9.2%Lowest
NH: +4.6%
+4.6%Highest
NH: +4.6%
Median age
40.3±1.6Lowest
7% below NH
58±4.5Highest
34% above NH
44.6±2.7
3% above NH
Kids under 18
20.7%±2.1Highest
NH: 18.2%
12%±4.1Lowest
NH: 18.2%
16.2%±2.1
NH: 18.2%
Age 65+
15.2%±1.6Lowest
NH: 20.1%
34.9%±7Highest
NH: 20.1%
18.6%±1.7
NH: 20.1%
Bachelor’s degree+adults 25+
37.4%
NH: 40.6%
21.6%Lowest
NH: 40.6%
38.7%Highest
NH: 40.6%
Enrolled in collegeshare of residents
6.1%±1.5Highest
NH: 6%
1%±0.7Lowest
NH: 6%
4.3%±1
NH: 6%
Derry and Salem are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$108,944±$7k
10% above NH
$87,500±$16kLowest
12% below NH
$110,490±$9kHighest
12% above NH
Salem and Derry are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$432,000±$17k
7% above NH
$276,100±$29kLowest
31% below NH
$473,300±$16kHighest
18% above NH
Rentmedian gross, monthly
$1,547±$138Lowest
4% above NH
$1,625±$804Highest
9% above NH
$1,625±$146Highest
9% above NH
Property taxmedian, yearly
$8,103Highest
22% above NH
$5,394Lowest
19% below NH
$6,992
5% above NH
Renters paying 30%+of income on rent
51.6%±9Highest
NH: 48.2%
40%±100Lowest
NH: 48.2%
44.5%±9.6
NH: 48.2%
Derry and Salem are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4%Lowest
NH: 7.2%
6.3%Highest
NH: 7.2%
5%
NH: 7.2%
Housing
Homeownersof occupied homes
70.2%Lowest
NH: 72.8%
94.5%Highest
NH: 72.8%
75.6%
NH: 72.8%
Typical home builtmedian year
1983Highest
4 yrs newer than NH
1982
3 yrs newer than NH
1977Lowest
2 yrs older than NH
Getting to work
Average commuteone way
31 min
16% above NH
35 minHighest
31% above NH
29 minLowest
9% above NH
Work from home
16%±2.8
NH: 16.8%
9.5%±4Lowest
NH: 16.8%
16.3%±2.9Highest
NH: 16.8%
Salem and Derry 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 — #38 of 120 in NH
School district Derry Cooperative School District · Pinkerton Academy School District Unity School District Salem School District
High school in town Pinkerton Academy None in town Salem High School
Students per teacherat that high school
13.9Highest
—
11.2Lowest
On TownTapestry
Old photos in History 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.