Compare towns
Groton vs Princeton vs Ayer
Cost, people, housing, commute and schools, side by side, each benchmarked against Massachusetts.
What stands out worked out from the figures below
Groton has the most expensive homes ($743k median).
Princeton has the oldest population (median age 46.1).
Ayer has grown the fastest since 2010 (+14.2%).
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 | Groton | Princeton | Ayer |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 11,390Highest |
3,529Lowest |
8,645 |
| Growth since 20102010 → 2020 census | +6.3% MA: +7.4% |
+2.4%Lowest MA: +7.4% |
+14.2%Highest MA: +7.4% |
| Median age | 41.4±2.7 4% above MA |
46.1±7Highest 15% above MA |
39.2±2.8Lowest about the MA average |
| Princeton and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 28.3%±4.9Highest MA: 19.4% |
22.2%±4.6 MA: 19.4% |
20.3%±3.9Lowest MA: 19.4% |
| Groton and Princeton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 17.3%±2.8 MA: 17.9% |
20.9%±3.6Highest MA: 17.9% |
14.5%±2.8Lowest MA: 17.9% |
| Princeton and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 70.1%Highest MA: 47.3% |
59.4% MA: 47.3% |
42.3%Lowest MA: 47.3% |
| Enrolled in collegeshare of residents | 5.6%±1.9Highest MA: 7.9% |
1.9%±1.2Lowest MA: 7.9% |
4.5%±1.5 MA: 7.9% |
| Groton and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $192,958±$27kHighest 86% above MA |
$158,750±$46k 53% above MA |
$101,875±$15kLowest about the MA average |
| Groton and Princeton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $743,400±$46kHighest 32% above MA |
$520,500±$48k 7% below MA |
$463,800±$29kLowest 17% below MA |
| Rentmedian gross, monthly | $1,458±$335Highest 17% below MA |
$897±$852Lowest 49% below MA |
$1,415±$180 20% below MA |
| Groton and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $10,000+Highest at least 67% above MA |
$6,633 11% above MA |
$5,057Lowest 16% below MA |
| Renters paying 30%+of income on rent | 43.8%±17Lowest MA: 51.8% |
69.8%±46.7Highest MA: 51.8% |
45.1%±14.2 MA: 51.8% |
| Princeton and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 3.8%Lowest MA: 10% |
4.2% MA: 10% |
10.7%Highest MA: 10% |
| Housing | |||
| Homeownersof occupied homes | 88.8% MA: 62.5% |
94.3%Highest MA: 62.5% |
69.2%Lowest MA: 62.5% |
| Typical home builtmedian year | 1988Highest 24 yrs newer than MA |
1975Lowest 11 yrs newer than MA |
1977 13 yrs newer than MA |
| Getting to work | |||
| Average commuteone way | 32 minLowest 11% above MA |
37 minHighest 25% above MA |
33 min 13% above MA |
| Work from home | 27.5%±5.8 MA: 18.6% |
29.5%±6.8Highest MA: 18.6% |
21.6%±5.9Lowest MA: 18.6% |
| Princeton and Groton 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 | #39 of 282 in MA | #59 of 282 in MA | #113 of 282 in MA |
| School district | Groton-Dunstable | Wachusett | Ayer Shirley School District |
| High school in town | Groton Dunstable Regional | None in town | Ayer Shirley Regional High School |
| Students per teacherat that high school | 13.7Highest |
— | 11.5Lowest |
| On TownTapestry | |||
| Old photos in Our Story | None yet | None yet | 12 photos → |
MA 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.