Compare towns
Windham vs Londonderry vs Merrimack
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Windham has grown the fastest since 2010 (+16.4%).
Londonderry has the most renters (16.2% rent).
Merrimack has the shortest commute (27 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.
| Measure | Windham | Londonderry | Merrimack |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 16,038 |
12,225Lowest |
28,164Highest |
| Growth since 20102010 → 2020 census | +16.4%Highest NH: +4.6% |
+5.5% NH: +4.6% |
+4.5%Lowest NH: +4.6% |
| Median age | 41.1±2.9Lowest 5% below NH |
42.4±1Highest about the NH average |
41.5±2.2 4% below NH |
| Londonderry and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 27.4%±3.3Highest NH: 18.2% |
18.6%±2.1Lowest NH: 18.2% |
22%±2.5 NH: 18.2% |
| Windham and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 15.5%±2.6Lowest NH: 20.1% |
16.5%±2 NH: 20.1% |
16.8%±1.8Highest NH: 20.1% |
| Merrimack and Londonderry are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 62.7%Highest NH: 40.6% |
46%Lowest NH: 40.6% |
50.2% NH: 40.6% |
| Enrolled in collegeshare of residents | 3.8%±1.8Lowest NH: 6% |
6.1%±1.7Highest NH: 6% |
5.1%±1.2 NH: 6% |
| Londonderry and Merrimack are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $189,583±$19kHighest 91% above NH |
$119,571±$13kLowest 21% above NH |
$127,219±$16k 28% above NH |
| Home valuemedian, owner-occupied | $723,300±$50kHighest 80% above NH |
$469,500±$23k 17% above NH |
$458,600±$15kLowest 14% above NH |
| Rentmedian gross, monthly | $3,218±$350Highest 116% above NH |
$1,952±$135 31% above NH |
$1,932±$147Lowest 30% above NH |
| Property taxmedian, yearly | $10,000+Highest at least 50% above NH |
$7,568 14% above NH |
$7,345Lowest 10% above NH |
| Renters paying 30%+of income on rent | 52.2%±50.9 NH: 48.2% |
60.6%±13.9Highest NH: 48.2% |
34.9%±9.4Lowest NH: 48.2% |
| Londonderry and Windham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 2%Lowest NH: 7.2% |
2.9% NH: 7.2% |
3%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 93.9%Highest NH: 72.8% |
83.8%Lowest NH: 72.8% |
88.9% NH: 72.8% |
| Typical home builtmedian year | 1996Highest 17 yrs newer than NH |
1983Lowest 4 yrs newer than NH |
1985 6 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 31 minHighest 15% above NH |
28 min 4% above NH |
27 minLowest about the NH average |
| Work from home | 21.9%±4.4Highest NH: 16.8% |
20.4%±2.8Lowest NH: 16.8% |
21%±3.3 NH: 16.8% |
| Windham 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 | #13 of 120 in NH | #37 of 120 in NH | #58 of 120 in NH |
| School district | Windham School District | — | Merrimack School District |
| High school in town | Windham High School | — | Merrimack High School |
| Students per teacherat that high school | 12.8Highest |
— | 12.5Lowest |
| 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.