Compare towns

Merrimack vs Bow 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

Merrimack has the most affordable homes ($459k median).
Bow has grown the fastest since 2010 (+9.4%).
Londonderry has the oldest population (median age 42.7).

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.

MeasureMerrimackBowLondonderry
People
Population
28,164Highest
8,335Lowest
26,685
Growth since 20102010 → 2020 census
+4.5%Lowest
NH: +4.6%
+9.4%Highest
NH: +4.6%
+7%
NH: +4.6%
Median age
41.5±2.2Lowest
4% below NH
41.5±2Lowest
4% below NH
42.7±0.9Highest
about the NH average
Londonderry and Merrimack are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
22%±2.5
NH: 18.2%
25%±3.6Highest
NH: 18.2%
20.6%±2.1Lowest
NH: 18.2%
Bow and Merrimack are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
16.8%±1.8
NH: 20.1%
17.6%±2.5Highest
NH: 20.1%
16.4%±1.9Lowest
NH: 20.1%
Bow and Merrimack are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
50.2%
NH: 40.6%
60.3%Highest
NH: 40.6%
47.6%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
5.1%±1.2
NH: 6%
5.6%±1.9Highest
NH: 6%
4.8%±1Lowest
NH: 6%
Bow and Merrimack are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$127,219±$16kLowest
28% above NH
$172,857±$16kHighest
75% above NH
$132,556±$14k
34% above NH
Home valuemedian, owner-occupied
$458,600±$15kLowest
14% above NH
$506,500±$34kHighest
26% above NH
$505,200±$20k
26% above NH
Bow and Londonderry are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$1,932±$147Highest
30% above NH
$1,539±$178Lowest
3% 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
$7,345Lowest
10% above NH
$9,584Highest
44% above NH
$8,069
21% above NH
Renters paying 30%+of income on rent
34.9%±9.4Lowest
NH: 48.2%
39%±13.2
NH: 48.2%
48.9%±7.8Highest
NH: 48.2%
Londonderry and Bow are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
3%Highest
NH: 7.2%
2.7%Lowest
NH: 7.2%
2.7%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
88.9%Highest
NH: 72.8%
87.5%
NH: 72.8%
85.6%Lowest
NH: 72.8%
Typical home builtmedian year
1985Lowest
6 yrs newer than NH
1985Lowest
6 yrs newer than NH
1986Highest
7 yrs newer than NH
Getting to work
Average commuteone way
27 minLowest
about the NH average
27 min
about the NH average
29 minHighest
7% above NH
Work from home
21%±3.3Lowest
NH: 16.8%
22.7%±4.7
NH: 16.8%
22.8%±2.7Highest
NH: 16.8%
Londonderry and Bow 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 #58 of 120 in NH #26 of 120 in NH #37 of 120 in NH
School district Merrimack School District Bow School District Londonderry School District
High school in town Merrimack High School Bow High School Londonderry Senior High School
Students per teacherat that high school
12.5
12.8Highest
12.0Lowest
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.