Compare towns
Ayer vs Groton vs Townsend
Cost, people, housing, commute and schools, side by side, each benchmarked against Massachusetts.
What stands out worked out from the figures below
Ayer has grown the fastest since 2010 (+14.2%).
Groton has the most expensive homes ($743k median).
Townsend has the most affordable homes ($433k 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 | Ayer | Groton | Townsend |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 8,645Lowest |
11,390Highest |
9,100 |
| Growth since 20102010 → 2020 census | +14.2%Highest MA: +7.4% |
+6.3% MA: +7.4% |
+2.3%Lowest MA: +7.4% |
| Median age | 39.2±2.8Lowest about the MA average |
41.4±2.7Highest 4% above MA |
40.9±3.3 about the MA average |
| Groton and Townsend are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 20.3%±3.9Lowest MA: 19.4% |
28.3%±4.9Highest MA: 19.4% |
21%±3.2 MA: 19.4% |
| Groton and Townsend are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 14.5%±2.8Lowest MA: 17.9% |
17.3%±2.8Highest MA: 17.9% |
17.1%±2.1 MA: 17.9% |
| Groton and Townsend are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 42.3% MA: 47.3% |
70.1%Highest MA: 47.3% |
35.5%Lowest MA: 47.3% |
| Enrolled in collegeshare of residents | 4.5%±1.5Lowest MA: 7.9% |
5.6%±1.9Highest MA: 7.9% |
5.1%±2.4 MA: 7.9% |
| Groton and Townsend are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $101,875±$15kLowest about the MA average |
$192,958±$27kHighest 86% above MA |
$121,528±$23k 17% above MA |
| Home valuemedian, owner-occupied | $463,800±$29k 17% below MA |
$743,400±$46kHighest 32% above MA |
$433,200±$22kLowest 23% below MA |
| Rentmedian gross, monthly | $1,415±$180Lowest 20% below MA |
$1,458±$335 17% below MA |
$1,469±$313Highest 17% below MA |
| Townsend and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Property taxmedian, yearly | $5,057Lowest 16% below MA |
$10,000+Highest at least 67% above MA |
$6,031 about the MA average |
| Renters paying 30%+of income on rent | 45.1%±14.2 MA: 51.8% |
43.8%±17Lowest MA: 51.8% |
50.6%±16.8Highest MA: 51.8% |
| Townsend and Ayer are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 10.7%Highest MA: 10% |
3.8%Lowest MA: 10% |
8.9% MA: 10% |
| Housing | |||
| Homeownersof occupied homes | 69.2%Lowest MA: 62.5% |
88.8%Highest MA: 62.5% |
82% MA: 62.5% |
| Typical home builtmedian year | 1977 13 yrs newer than MA |
1988Highest 24 yrs newer than MA |
1976Lowest 12 yrs newer than MA |
| Getting to work | |||
| Average commuteone way | 33 min 13% above MA |
32 minLowest 11% above MA |
37 minHighest 27% above MA |
| Work from home | 21.6%±5.9 MA: 18.6% |
27.5%±5.8Highest MA: 18.6% |
10.5%±2.8Lowest MA: 18.6% |
| Groton and Ayer 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 | #113 of 282 in MA | #39 of 282 in MA | #136 of 282 in MA |
| School district | Ayer Shirley School District | Groton-Dunstable | North Middlesex |
| High school in town | Ayer Shirley Regional High School | Groton Dunstable Regional | North Middlesex Regional |
| Students per teacherat that high school | 11.5Lowest |
13.7Highest |
13.1 |
| On TownTapestry | |||
| Old photos in Our Story | 12 photos → | None yet | None yet |
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.

