Compare towns
Derry vs Derry vs Londonderry 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 youngest population (median age 40.3).
Derry has the most renters (40.9% rent).
Londonderry has grown the fastest since 2010 (+7%).
Salem has the oldest population (median age 44.6).
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.
| Measure | Derry | Derry | Londonderry | Salem |
|---|---|---|---|---|
| Your priorities | ||||
| People | ||||
| Population | 34,116Highest |
21,339Lowest |
26,685 |
30,964 |
| Growth since 20102010 → 2020 census | +3.6%Lowest NH: +4.6% |
+3.9% NH: +4.6% |
+7%Highest NH: +4.6% |
+4.6% NH: +4.6% |
| Median age | 40.3±1.6Lowest 7% below NH |
41±3 5% below NH |
42.7±0.9 about the NH average |
44.6±2.7Highest 3% above NH |
| Salem and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Kids under 18 | 20.7%±2.1Highest NH: 18.2% |
19.9%±2.8 NH: 18.2% |
20.6%±2.1 NH: 18.2% |
16.2%±2.1Lowest NH: 18.2% |
| Derry and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Age 65+ | 15.2%±1.6 NH: 20.1% |
14.8%±2Lowest NH: 20.1% |
16.4%±1.9 NH: 20.1% |
18.6%±1.7Highest NH: 20.1% |
| Salem and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Bachelor’s degree+adults 25+ | 37.4% NH: 40.6% |
36.7%Lowest NH: 40.6% |
47.6%Highest NH: 40.6% |
38.7% NH: 40.6% |
| Enrolled in collegeshare of residents | 6.1%±1.5 NH: 6% |
7.2%±2.2Highest NH: 6% |
4.8%±1 NH: 6% |
4.3%±1Lowest NH: 6% |
| Derry and Derry 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 |
$91,673±$11kLowest 7% below NH |
$132,556±$14kHighest 34% above NH |
$110,490±$9k 12% above NH |
| Londonderry and Salem 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 |
$391,200±$23kLowest about the NH average |
$505,200±$20kHighest 26% above NH |
$473,300±$16k 18% above NH |
| Londonderry and Salem are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Rentmedian gross, monthly | $1,547±$138Lowest 4% above NH |
$1,549±$137 4% above NH |
$1,803±$154Highest 21% above NH |
$1,625±$146 9% above NH |
| Londonderry and Salem are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Property taxmedian, yearly | $8,103Highest 22% above NH |
$7,278 9% above NH |
$8,069 21% above NH |
$6,992Lowest 5% above NH |
| Renters paying 30%+of income on rent | 51.6%±9 NH: 48.2% |
54.7%±9.5Highest NH: 48.2% |
48.9%±7.8 NH: 48.2% |
44.5%±9.6Lowest NH: 48.2% |
| Derry and Derry are within the Census margin of error here, so we can’t say which is really higher. | ||||
| Below poverty line | 4% NH: 7.2% |
4.4% NH: 7.2% |
2.7%Lowest NH: 7.2% |
5%Highest NH: 7.2% |
| Housing | ||||
| Homeownersof occupied homes | 70.2% NH: 72.8% |
59.1%Lowest NH: 72.8% |
85.6%Highest NH: 72.8% |
75.6% NH: 72.8% |
| Typical home builtmedian year | 1983 4 yrs newer than NH |
1982 3 yrs newer than NH |
1986Highest 7 yrs newer than NH |
1977Lowest 2 yrs older than NH |
| Getting to work | ||||
| Average commuteone way | 31 minHighest 16% above NH |
29 min 10% above NH |
29 minLowest 7% above NH |
29 min 9% above NH |
| Work from home | 16%±2.8 NH: 16.8% |
14.2%±3.5Lowest NH: 16.8% |
22.8%±2.7Highest NH: 16.8% |
16.3%±2.9 NH: 16.8% |
| Schools | ||||
| Public school scoresrank in state, math + reading | #60 of 120 in NH | #60 of 120 in NH | #37 of 120 in NH | #38 of 120 in NH |
| School district | Derry Cooperative School District · Pinkerton Academy School District | — | Londonderry School District | Salem School District |
| High school in town | Pinkerton Academy | — | Londonderry Senior High School | Salem High School |
| Students per teacherat that high school | 13.9Highest |
— | 12.0 |
11.2Lowest |
| 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.



