Compare towns

Groton vs Landaff vs Sullivan

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

Groton has the most people working from home (13.7%).
Landaff has the oldest population (median age 56.4).
Sullivan has the highest household income ($107k).

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.

MeasureGrotonLandaffSullivan
People
Population
507
420Lowest
687Highest
Growth since 20102010 → 2020 census
-4%Lowest
NH: +4.6%
—
-2.8%Highest
NH: +4.6%
Median age
51.1±16.2
18% above NH
56.4±5.2Highest
30% above NH
46.6±6.5Lowest
8% above NH
Landaff and Groton are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
15.4%±4.6Lowest
NH: 18.2%
16.2%±5.9
NH: 18.2%
16.3%±5Highest
NH: 18.2%
Sullivan and Landaff are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
29.4%±4.8Highest
NH: 20.1%
28.8%±4.7
NH: 20.1%
20.5%±3.6Lowest
NH: 20.1%
Groton and Landaff are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
29.2%Highest
NH: 40.6%
26.3%Lowest
NH: 40.6%
28.5%
NH: 40.6%
Enrolled in collegeshare of residents
2%±2
NH: 6%
1.7%±1.6Lowest
NH: 6%
3.9%±2.6Highest
NH: 6%
Sullivan and Groton are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$85,625±$21kLowest
14% below NH
$87,500±$26k
12% below NH
$106,667±$20kHighest
8% above NH
Sullivan and Landaff are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$269,000±$45k
33% below NH
$279,300±$20kHighest
31% below NH
$236,500±$29kLowest
41% below NH
Landaff and Groton are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$2,667±$295Highest
79% above NH
$1,375±$707
8% below NH
$1,225±$275Lowest
18% below NH
Property taxmedian, yearly
$2,873Lowest
57% below NH
$4,813
28% below NH
$5,099Highest
24% below NH
Renters paying 30%+of income on rent
50%±83.6Highest
NH: 48.2%
45.5%±100
NH: 48.2%
40%±84.5Lowest
NH: 48.2%
Groton and Landaff are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
10.5%Highest
NH: 7.2%
5.7%
NH: 7.2%
4.1%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
91.3%
NH: 72.8%
90.3%Lowest
NH: 72.8%
93.6%Highest
NH: 72.8%
Typical home builtmedian year
1984Highest
5 yrs newer than NH
1984Highest
5 yrs newer than NH
1979Lowest
same as NH
Getting to work
Average commuteone way
29 minLowest
10% above NH
32 minHighest
21% above NH
32 min
20% above NH
Work from home
13.7%±6.5Highest
NH: 16.8%
10.2%±5.7
NH: 16.8%
4.2%±2.5Lowest
NH: 16.8%
Groton and Landaff are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district — Landaff School District —
High school in town — None in town —
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.