Compare towns

Ayer vs Groton vs Northbridge

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 highest household income ($193k).
Northbridge has the oldest population (median age 43.8).

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.

MeasureAyerGrotonNorthbridge
People
Population
8,645Lowest
11,390
16,458Highest
Growth since 20102010 → 2020 census
+14.2%Highest
MA: +7.4%
+6.3%
MA: +7.4%
+4%Lowest
MA: +7.4%
Median age
39.2±2.8Lowest
about the MA average
41.4±2.7
4% above MA
43.8±2.6Highest
9% above MA
Northbridge and Groton 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%
21.1%±2.9
MA: 19.4%
Groton and Northbridge 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%
16.4%±2.1
MA: 17.9%
Groton and Northbridge 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%
36.9%Lowest
MA: 47.3%
Enrolled in collegeshare of residents
4.5%±1.5
MA: 7.9%
5.6%±1.9Highest
MA: 7.9%
4.3%±1.3Lowest
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
$101,875±$15kLowest
about the MA average
$192,958±$27kHighest
86% above MA
$111,319±$19k
7% above MA
Home valuemedian, owner-occupied
$463,800±$29k
17% below MA
$743,400±$46kHighest
32% above MA
$448,600±$15kLowest
20% below MA
Rentmedian gross, monthly
$1,415±$180
20% below MA
$1,458±$335Highest
17% below MA
$1,207±$102Lowest
31% 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
$5,057
16% below MA
$10,000+Highest
at least 67% above MA
$4,821Lowest
20% below MA
Renters paying 30%+of income on rent
45.1%±14.2
MA: 51.8%
43.8%±17Lowest
MA: 51.8%
51.2%±9.8Highest
MA: 51.8%
Northbridge 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%
7.9%
MA: 10%
Housing
Homeownersof occupied homes
69.2%Lowest
MA: 62.5%
88.8%Highest
MA: 62.5%
70.5%
MA: 62.5%
Typical home builtmedian year
1977
13 yrs newer than MA
1988Highest
24 yrs newer than MA
1973Lowest
9 yrs newer than MA
Getting to work
Average commuteone way
33 minHighest
13% above MA
32 min
11% above MA
31 minLowest
7% above MA
Work from home
21.6%±5.9
MA: 18.6%
27.5%±5.8Highest
MA: 18.6%
16.2%±3.6Lowest
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 #226 of 282 in MA
School district Ayer Shirley School District Groton-Dunstable Northbridge
High school in town Ayer Shirley Regional High School Groton Dunstable Regional Northbridge High
Students per teacherat that high school
11.5
13.7Highest
10.8Lowest
On TownTapestry
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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.