What is the population of Ayer?

The population of Ayer, MA is 8,211.

Where is Ayer located?

Ayer, MA is located at latitude 42.5612000 and longitude -71.5897900. It is in United States.

What is the area of Ayer?

The area of Ayer, MA is 9.6 km².

What is the elevation of Ayer?

Ayer, MA has an elevation of 73 meters (240 feet) above sea level.

What time zone is Ayer in?

Ayer, MA is in the America/New_York time zone.

What state is Ayer in?

Ayer is in the state of Massachusetts, United States.

What county is Ayer, MA in?

Ayer is in Middlesex County, Massachusetts.

How has the population of Ayer changed?

The population of Ayer, MA has decreased from 15,100 (2001) to 8,211 (2020), a change of -45.6%.

Ayer, Massachusetts

Ayer: city in Middlesex County, Massachusetts, United States of America

About

Ayer is a city located in the county of Middlesex in the U.S. state of Massachusetts. Its population at the 2010 census was 7,427 and a population density of 774 people per km². After 10 years in 2020 city had an estimated population of 8,211 inhabitants.

The city was created 358 years ago in 1667.

Ayer locator map — Location of Ayer on Massachusetts map.

Quick Facts about Ayer

Population	8,211 (2020)
Country	United States of America
State	Massachusetts (United States)
County	Middlesex County
Postal code	01432
Area	9.6 km²
Latitude & Longitude	42.5612,-71.5898
Altitude	226 feet / 69 meters
Establishment	January 01, 1668 (358 years ago)
Time Zone	UTC−05:00
Local time	19:26:09 (15th April 2026)
Density	855 Pop. per km² as of 2020
Population growth	9.55% (2010-2020)
Weather	81℉ Chance Showers And Thunderstorms 7-days weather

Main Street Ayer MA image

Geography

Ayer is located at 42°33'40"N 71°35'23"W (42.5612000, -71.5897900).

Ayer map

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Weather

81°F

Chance Showers And Thunderstorms

6 mph S This Afternoon

A chance of rain showers before 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 72 in...

7-Day Forecast

Official website of Ayer

Official Website

Demographics

The population of Ayer increased by 9.55% in 10 years.

Year	Population	% Change	Method
2001	15,100	-	register office
2002	14,786	-2.12%	register office
2004	14,036	-5.34%	register office
2005	13,702	-2.44%	register office
2006	13,421	-2.09%	register office
2007	13,193	-1.73%	register office
2008	12,970	-1.72%	register office
2009	12,766	-1.6%	register office
2010	7,427	-71.89%	census
2011	7,596	2.22%	estimation process
2012	7,720	1.61%	estimation process
2013	7,862	1.81%	estimation process
2014	7,920	0.73%	estimation process
2015	7,999	0.99%	estimation process
2016	8,084	1.05%	estimation process
2017	8,128	0.54%	estimation process
2018	8,140	0.15%	estimation process
2019	8,196	0.68%	estimation process
2020	8,211	0.18%	estimation process

Ayer zip code is 01432. County name: Middlesex, County fips: 25017

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Services and Civic Places in Ayer

1Ayer Town Hall

Rating: 4 (4)

1 Main St, Ayer, MA 01432 View details

Phone: +19787728215 | Website available

People born in Ayer (9)

People born in Ayer, including band manager Bill Aucoin, musician Lee Alexander, basketball player-coach Mike Gillian, .

More notable people

Rita Briggs (American female baseball player) she was born in 27/03/1929
Robert Frazier (American writer) he was born in 01/01/1951
C. L. Blood (American con artist and self-styled physician) he was born in 08/09/1835
Hester A. Davis (American archaeologist) she was born in 04/06/1930
Ralph Hall Brown (1898-1948 , geographer) he was born in 12/01/1898
George Coleman Gow (American composer, organist, and music educator (1860-1938)) he was born in 27/11/1860

Nearby Schools and Colleges

Schools and campuses linked to Ayer, MA. Select a name to open its map and contact details.

Code	Name	City	ZIP
476735	Alexander Academy	Lunenburg (MA)	01462-0000

Nearby Transit Stations (29)

Rail and bus stations connected to Ayer, MA. Select a station to open its map and address details.

Code	Name	Address	Type
NSH	Nashua, NH	8 North Southwood Drive	BUS
FRA	Framingham station	417 Waverly St.	RAIL
WOR	Union Station	2 Washington Square	RAIL
WOB	Anderson Regional Transportation Center	100 Atlantic Ave.	RAIL
HHL	Haverhill station	Washington Street at Railroad Square	RAIL

Nearby Post Offices

Closest post offices linked to Ayer.

Post Office Name	City	ZIP
Ayer Post Office	Ayer (MA)	01432

Other cities in Middlesex County

Cities, towns, neighborhoods & other populated places in Middlesex County , MA. (more)

City Name	Population	Title
Cambridge	119,192	The most populous city in Middlesex County, Massachusetts.
Lowell	110,904	The third most populous city in Massachusetts.
Newton	87,803	The most populous city in Middlesex County, Massachusetts.
Somerville	80,935	A city in Middlesex County, Massachusetts.
Framingham	73,892	Town in Massachusetts
Framingham Center	65,413	A census-designated place (CDP) in Framingham, Massachusetts.
Waltham	62,069	A city in Middlesex County, Massachusetts.
Medford	60,847	The most populous city in Middlesex County, Massachusetts.
Malden	59,922	The most populous city in Middlesex County, Massachusetts.
Everett	46,107	A city in Middlesex County, Massachusetts.
Arlington	45,169	Town in Middlesex County, Massachusetts, United States
Billerica	43,021	Town in Massachusetts
Woburn	40,135	A city in Middlesex County, Massachusetts.
Marlborough	39,290	City in Middlesex County, Massachusetts, United States
Watertown	36,125	City in Middlesex County, Massachusetts, United States
Natick	35,766	Town in Massachusetts

Distance to Other Cities

Ayer distances to largest Massachusetts cities