Skip to content

Checked

Ayer, MA

Census-designated place in Middlesex County, Massachusetts. ZIP codes: 01432.

Population

3,098

Land area

1.3sq mi

People per sq mi

2,336

ZIP codes

1

Ayer and its ZIP codes

Full map

Ayer at a glance

  • Ayer is about 2.6 times as dense as Massachusetts as a whole.
  • The median household income is $74,878, 28% below the Massachusetts median of $103,960.
  • A typical owner-occupied home is valued at $444,600 (21% below Massachusetts) and median rent is $1,240 a month.

Local data for Ayer, MA

Counts from official public data

Housing and community stats

Ayer, MA, American Community Survey 2020-2024

Full profile

Median household income

$74,878

Poverty rate

6.9%

Median home value

$444,600

Median rent

$1,240/mo

Homeownership

58.1%

Bachelor's or higher

37.7%

Median age

42.1

Average commute

28.6 min

Largest reported origins and ancestries: Irish Americans (619), Italian Americans (198), German Americans (178).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Middlesex County. PPP loans are for Ayer.

Details

Unemployment rate

4.0%

Aug 2026, -0.3 pts in a year

Average annual pay

$118,479

903,942 jobs, 2025

Income per person

$112,011

BEA, 2024

Federal spending

$27.4B

FY 2026, $16,790 per person

Middlesex County economyFederal spending

How people get to work

Ayer, MA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone72.6%
  • Carpooled2.9%
  • Public transit4.7%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home19.8%

Average one-way commute: 28.6 minutes for people who do not work from home.

Environment and hazard risk

Ayer, MA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: ice storm

Storm events since 1996

1,840

Countywide, mostly thunderstorm wind

Flood insurance policies

4,000

1.0% of homes, county

July high / Jan low

83° / 16°F

43.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone2 historic places

Health statistics

Share of adults in Ayer, MA, CDC PLACES estimates

All 40 measures

Obesity

28.1%

U.S. 33.3% -5.2 pts

Diabetes

10.3%

U.S. 12.1% -1.8 pts

Smoking

14.0%

U.S. 12.8% +1.2 pts

Uninsured (18-64)

5.2%

U.S. 11.1% -5.9 pts

ZIP codes in Ayer

1 in or overlapping Ayer. Population shown

·

Cities near Ayer

NameDistanceLand area (sq mi)
DevensCensus-designated place1.7 mi6.8
GrotonCensus-designated place3.5 mi1.7
ShirleyCensus-designated place4.2 mi1.3
Littleton CommonCensus-designated place6.2 mi3.5
East PepperellCensus-designated place7.4 mi1.4
LunenburgCensus-designated place7.4 mi3.8
PepperellCensus-designated place7.5 mi2.1
TownsendCensus-designated place9.6 mi1.7
LeominsterCity9.7 mi28.8
South LancasterCensus-designated place10 mi1.3
ClintonCensus-designated place11 mi1.5
MaynardCensus-designated place12 mi5.2
HudsonCensus-designated place12 mi5.7
FitchburgCity12 mi27.8
West ConcordCensus-designated place12 mi3.4
Nashua, NHCity14 mi30.8

Frequently asked questions

What county is Ayer, MA in?
Ayer is in Middlesex County, Massachusetts.
What ZIP codes are in Ayer, MA?
ZIP codes in or overlapping Ayer include 01432.
What is the population of Ayer, MA?
About 3,098 people live in Ayer, based on American Community Survey 5-year estimates.
What cities are near Ayer?
Nearby places include Devens (1.7 mi), Groton (3.5 mi), Shirley (4.2 mi), Littleton Common (6.2 mi), East Pepperell (7.4 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023