Compare towns
Grantham vs Kennebunk vs Plainfield
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%).
Kennebunk has the most people working from home (32.5%).
Plainfield has the youngest population (median age 38.9).
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 | Kennebunk | Plainfield |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 3,465 |
11,820Highest |
2,522Lowest |
| Growth since 20102010 → 2020 census | +14%Highest U.S.: +7.4% |
+6.8% U.S.: +7.4% |
+4%Lowest U.S.: +7.4% |
| Median age | 50.4±7.5 30% above U.S. |
54.6±3.3Highest 40% above U.S. |
38.9±6.5Lowest about the U.S. average |
| Kennebunk 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% |
17.7%±3Lowest U.S.: 22% |
23.4%±5.8Highest U.S.: 22% |
| Plainfield 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% |
30%±4Highest U.S.: 17.2% |
19.8%±4.5 U.S.: 17.2% |
| Bachelor’s degree+adults 25+ | 59.6%Highest U.S.: 35.7% |
51.2% U.S.: 35.7% |
46.7%Lowest U.S.: 35.7% |
| Enrolled in collegeshare of residents | 4.8%±6Highest U.S.: 6.4% |
2.7%±1.4Lowest U.S.: 6.4% |
4.8%±2.3Highest U.S.: 6.4% |
| Cost of living | |||
| Household incomemedian | $106,403±$54kLowest 32% above U.S. |
$107,804±$8k 34% above U.S. |
$122,656±$13kHighest 52% above U.S. |
| Plainfield and Kennebunk are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $343,100±$39kLowest 3% above U.S. |
$487,700±$21kHighest 47% above U.S. |
$442,400±$47k 33% above U.S. |
| Kennebunk and Plainfield are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | — | $1,425±$290Lowest about the U.S. average |
$1,674±$181Highest 18% above U.S. |
| Plainfield and Kennebunk are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $7,605 144% above U.S. |
$4,999Lowest 60% above U.S. |
$7,904Highest 153% above U.S. |
| Renters paying 30%+of income on rent | — | 37.1%±10.9Highest U.S.: 51.1% |
31.8%±23.1Lowest U.S.: 51.1% |
| Kennebunk and Plainfield 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% |
7.3%Highest U.S.: 12.5% |
5.2% U.S.: 12.5% |
| Housing | |||
| Homeownersof occupied homes | 100%Highest U.S.: 65.2% |
80.6%Lowest U.S.: 65.2% |
87.3% U.S.: 65.2% |
| Typical home builtmedian year | 1987Highest 7 yrs newer than U.S. |
1983 3 yrs newer than U.S. |
1977Lowest 3 yrs older than U.S. |
| Getting to work | |||
| Average commuteone way | 23 min 15% below U.S. |
27 minHighest about the U.S. average |
22 minLowest 17% below U.S. |
| Work from home | 13.8%±6.2Lowest U.S.: 15.1% |
32.5%±7.6Highest U.S.: 15.1% |
18.1%±8.5 U.S.: 15.1% |
| Kennebunk and Plainfield 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 | #9 of 133 in ME | #19 of 120 in NH |
| School district | Grantham School District | RSU 21 | Plainfield School District |
| High school in town | None in town | Kennebunk High School | None in town |
| Students per teacherat that high school | — | 11.6 |
— |
| 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.