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.
| Measure | Columbia | Dummer | Groton |
|---|---|---|---|
| Your priorities | |||
| 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. | |||
| 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.


