Compare towns
Dummer vs Grantham vs Columbia
Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.
What stands out worked out from the figures below
Dummer has the oldest population (median age 53.6).
Grantham has the most expensive homes ($343k median).
Columbia has the most affordable homes ($196k median).
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 | Dummer | Grantham | Columbia |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 299Lowest |
3,465Highest |
683 |
| Growth since 20102010 → 2020 census | — | +14%Highest NH: +4.6% |
-12.9%Lowest NH: +4.6% |
| Median age | 53.6±6.4Highest 24% above NH |
50.4±7.5Lowest 16% above NH |
51.8±10.1 20% 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 | 19.4%±5.1Highest NH: 18.2% |
19.1%±6.6 NH: 18.2% |
17.4%±5.2Lowest NH: 18.2% |
| Dummer and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 21.4%±4.6 NH: 20.1% |
17%±6.9Lowest NH: 20.1% |
29.9%±8.3Highest NH: 20.1% |
| Columbia and Dummer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 16.9% NH: 40.6% |
59.6%Highest NH: 40.6% |
14.5%Lowest NH: 40.6% |
| Enrolled in collegeshare of residents | 0%±5.7Lowest NH: 6% |
4.8%±6 NH: 6% |
7%±3.7Highest NH: 6% |
| Columbia and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $91,250±$21k 8% below NH |
$106,403±$54kHighest 7% above NH |
$57,917±$13kLowest 42% below NH |
| Grantham and Dummer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $242,200±$51k 40% below NH |
$343,100±$39kHighest 15% below NH |
$196,400±$29kLowest 51% below NH |
| Rentmedian gross, monthly | — | — | $792±$333 47% below NH |
| Property taxmedian, yearly | $2,898 57% below NH |
$7,605Highest 14% above NH |
$2,009Lowest 70% below NH |
| Renters paying 30%+of income on rent | 0%±100Lowest NH: 48.2% |
— | 9.1%±95.8Highest NH: 48.2% |
| Columbia and Dummer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 9% NH: 7.2% |
0%Lowest NH: 7.2% |
10.7%Highest NH: 7.2% |
| Housing | |||
| Homeownersof occupied homes | 94.2% NH: 72.8% |
100%Highest NH: 72.8% |
91.1%Lowest NH: 72.8% |
| Typical home builtmedian year | 1977Lowest 2 yrs older than NH |
1987Highest 8 yrs newer than NH |
1983 4 yrs newer than NH |
| Getting to work | |||
| Average commuteone way | 25 minHighest 6% below NH |
23 min 16% below NH |
20 minLowest 24% below NH |
| Work from home | 6.8%±4.4Lowest NH: 16.8% |
13.8%±6.2Highest NH: 16.8% |
11.2%±6.7 NH: 16.8% |
| Grantham and Columbia 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 | — | #6 of 120 in NH | — |
| School district | — | Grantham 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.