Compare towns
Grantham vs Cornish vs Sidney
Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..
What stands out worked out from the figures below
Grantham has grown the fastest since 2010 (+14%).
Cornish has the most affordable homes ($296k median).
Sidney has the most kids (23.1% under 18).
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 | Grantham | Cornish | Sidney |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 3,465 |
1,816Lowest |
4,790Highest |
| Growth since 20102010 → 2020 census | +14%Highest U.S.: +7.4% |
-1.5%Lowest U.S.: +7.4% |
+10.4% U.S.: +7.4% |
| Median age | 50.4±7.5 30% above U.S. |
54±8.3Highest 39% above U.S. |
43±5.5Lowest 11% above U.S. |
| Cornish and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 19.1%±6.6 U.S.: 22% |
14.4%±3.2Lowest U.S.: 22% |
23.1%±5.6Highest U.S.: 22% |
| Sidney and Grantham are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17%±6.9Lowest U.S.: 17.2% |
27.3%±4.1Highest U.S.: 17.2% |
18.4%±3.6 U.S.: 17.2% |
| Bachelor’s degree+adults 25+ | 59.6%Highest U.S.: 35.7% |
40.6% U.S.: 35.7% |
33.5%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 4.8%±6Highest U.S.: 6.4% |
1.4%±0.9Lowest U.S.: 6.4% |
1.5%±1.2 U.S.: 6.4% |
| Grantham and Sidney are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $106,403±$54kHighest 32% above U.S. |
$91,821±$2k 14% above U.S. |
$83,488±$10kLowest 3% above U.S. |
| Grantham and Cornish are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $343,100±$39kHighest 3% above U.S. |
$296,000±$69kLowest 11% below U.S. |
$336,200±$34k about the U.S. average |
| Grantham and Sidney are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | — | $1,221±$227Lowest 14% below U.S. |
$1,340±$304Highest 5% below U.S. |
| Sidney and Cornish are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $7,605Highest 144% above U.S. |
$5,796 86% above U.S. |
$2,474Lowest 21% below U.S. |
| Renters paying 30%+of income on rent | — | 40.5%±38.1Highest U.S.: 51.1% |
16.4%±17.5Lowest U.S.: 51.1% |
| Cornish and Sidney are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 0%Lowest U.S.: 12.5% |
4.7% U.S.: 12.5% |
6.4%Highest U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 100%Highest U.S.: 65.2% |
94.1% U.S.: 65.2% |
89.4%Lowest U.S.: 65.2% |
| Typical home builtmedian year | 1987 7 yrs newer than U.S. |
1980Lowest same as U.S. |
1996Highest 16 yrs newer than U.S. |
| Getting to work | |||
| Average commuteone way | 23 minLowest 15% below U.S. |
24 min 8% below U.S. |
25 minHighest 6% below U.S. |
| Work from home | 13.8%±6.2 U.S.: 15.1% |
12%±4.1Lowest U.S.: 15.1% |
14.3%±5.9Highest U.S.: 15.1% |
| Sidney and Grantham 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 | — | #15 of 133 in ME |
| School district | Grantham School District | Cornish School District | RSU 18 |
| High school in town | None in town | None in town | None in town |
| On TownTapestry | |||
| Old photos in Our Story | None yet | None yet | None yet |
U.S. 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.