Compare towns
Hudson vs Merrimack vs Londonderry
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Hudson has the oldest population (median age 45.7).
Merrimack has the shortest commute (27 min average).
Londonderry has grown the fastest since 2010 (+7%).
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 | Hudson | Merrimack | Londonderry |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 25,557Lowest |
28,164Highest |
26,685 |
| Growth since 20102010 → 2020 census | +3.8%Lowest NH: +4.6% |
+4.5% NH: +4.6% |
+7%Highest NH: +4.6% |
| Median age | 45.7±1.9Highest 6% above NH |
41.5±2.2Lowest 4% below NH |
42.7±0.9 about the NH average |
| Kids under 18 | 16.8%±2.1Lowest NH: 18.2% |
22%±2.5Highest NH: 18.2% |
20.6%±2.1 NH: 18.2% |
| Merrimack and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 20.7%±2.4Highest NH: 20.1% |
16.8%±1.8 NH: 20.1% |
16.4%±1.9Lowest NH: 20.1% |
| Hudson and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 34.2%Lowest NH: 40.6% |
50.2%Highest NH: 40.6% |
47.6% NH: 40.6% |
| Enrolled in collegeshare of residents | 7%±1.7Highest NH: 6% |
5.1%±1.2 NH: 6% |
4.8%±1Lowest NH: 6% |
| Hudson and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $124,213±$6kLowest 25% above NH |
$127,219±$16k 28% above NH |
$132,556±$14kHighest 34% above NH |
| Londonderry and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $438,900±$11kLowest 9% above NH |
$458,600±$15k 14% above NH |
$505,200±$20kHighest 26% above NH |
| Rentmedian gross, monthly | $1,735±$123Lowest 16% above NH |
$1,932±$147Highest 30% above NH |
$1,803±$154 21% above NH |
| Merrimack and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $6,636Lowest about the NH average |
$7,345 10% above NH |
$8,069Highest 21% above NH |
| Renters paying 30%+of income on rent | 34.3%±7.2Lowest NH: 48.2% |
34.9%±9.4 NH: 48.2% |
48.9%±7.8Highest NH: 48.2% |
| Londonderry and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 4.6%Highest NH: 7.2% |
3% NH: 7.2% |
2.7%Lowest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 82.6%Lowest NH: 72.8% |
88.9%Highest NH: 72.8% |
85.6% NH: 72.8% |
| Typical home builtmedian year | 1983Lowest 4 yrs newer than NH |
1985 6 yrs newer than NH |
1986Highest 7 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 31 minHighest 18% above NH |
27 minLowest about the NH average |
29 min 7% above NH |
| Work from home | 19.6%±3.6Lowest NH: 16.8% |
21%±3.3 NH: 16.8% |
22.8%±2.7Highest NH: 16.8% |
| Londonderry and Merrimack 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 | #63 of 120 in NH | #58 of 120 in NH | #37 of 120 in NH |
| School district | Hudson School District | Merrimack School District | Londonderry School District |
| High school in town | Alvirne High School | Merrimack High School | Londonderry Senior High School |
| Students per teacherat that high school | 11.6Lowest |
12.5Highest |
12.0 |
| On TownTapestry | |||
| Old photos in Our Story | 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.


