Compare towns

Columbia vs Dummer vs Groton

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

What stands out worked out from the figures below

Columbia has the shortest commute (20 min average).
Dummer has the most kids (19.4% under 18).
Groton has the most people working from home (13.7%).

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.

MeasureColumbiaDummerGroton
People
Population
683Highest
299Lowest
507
Growth since 20102010 → 2020 census
-12.9%Lowest
NH: +4.6%
—
-4%Highest
NH: +4.6%
Median age
51.8±10.1
20% above NH
53.6±6.4Highest
24% above NH
51.1±16.2Lowest
18% above NH
Dummer and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
17.4%±5.2
NH: 18.2%
19.4%±5.1Highest
NH: 18.2%
15.4%±4.6Lowest
NH: 18.2%
Dummer and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
29.9%±8.3Highest
NH: 20.1%
21.4%±4.6Lowest
NH: 20.1%
29.4%±4.8
NH: 20.1%
Columbia and Groton are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
14.5%Lowest
NH: 40.6%
16.9%
NH: 40.6%
29.2%Highest
NH: 40.6%
Enrolled in collegeshare of residents
7%±3.7Highest
NH: 6%
0%±5.7Lowest
NH: 6%
2%±2
NH: 6%
Columbia and Groton are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$57,917±$13kLowest
42% below NH
$91,250±$21kHighest
8% below NH
$85,625±$21k
14% below NH
Dummer and Groton are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$196,400±$29kLowest
51% below NH
$242,200±$51k
40% below NH
$269,000±$45kHighest
33% below NH
Groton and Dummer are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly
$792±$333Lowest
47% below NH
—
$2,667±$295Highest
79% above NH
Property taxmedian, yearly
$2,009Lowest
70% below NH
$2,898Highest
57% below NH
$2,873
57% below NH
Renters paying 30%+of income on rent
9.1%±95.8
NH: 48.2%
0%±100Lowest
NH: 48.2%
50%±83.6Highest
NH: 48.2%
Groton and Columbia are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
10.7%Highest
NH: 7.2%
9%Lowest
NH: 7.2%
10.5%
NH: 7.2%
Housing
Homeownersof occupied homes
91.1%Lowest
NH: 72.8%
94.2%Highest
NH: 72.8%
91.3%
NH: 72.8%
Typical home builtmedian year
1983
4 yrs newer than NH
1977Lowest
2 yrs older than NH
1984Highest
5 yrs newer than NH
Getting to work
Average commuteone way
20 minLowest
24% below NH
25 min
6% below NH
29 minHighest
10% above NH
Work from home
11.2%±6.7
NH: 16.8%
6.8%±4.4Lowest
NH: 16.8%
13.7%±6.5Highest
NH: 16.8%
Groton and Columbia are within the Census margin of error here, so we can’t say which is really higher.
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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.