Main Births etc
Ayer, Massachusetts
—  Town  —
Main Street
Official seal of Ayer, Massachusetts
Location in Middlesex County in Massachusetts
Coordinates: 42°33′40″N 71°35′25″W / 42.56111, -71.59028Coordinates: 42°33′40″N 71°35′25″W / 42.56111, -71.59028
Country United States
State Massachusetts
County Middlesex
Settled 1668
Incorporated February 14, 1871[1]
 • Type Open town meeting
 • Total 9.6 sq mi (24.8 km2)
 • Land 9.0 sq mi (23.4 km2)
 • Water 0.6 sq mi (1.4 km2)
Elevation 226 ft (69 m)
Population (2010)
 • Total 7,427
 • Density 770/sq mi (300/km2)
Time zone Eastern (UTC-5)
 • Summer (DST) Eastern (UTC-4)
ZIP code 01432
Area code(s) 351 / 978
FIPS code 25-03005
GNIS feature ID 0618215

Ayer is a town in Middlesex County, Massachusetts, United States. Originally part of Groton, it was incorporated February 14, 1871[1] and became a major commercial railroad junction. The town was home to Camp Stevens, a training camp for Massachusetts volunteers during the American Civil War. Later, Fort Devens was established by the federal government to train New England soldiers for World War I. Fort Devens is a major influence on the area, although it is considerably smaller than when it was first closed in the mid-1990s. The town's population was 7,427 at the 2010 census.[2]

For geographic and demographic information on specific parts of the town of Ayer, please see the articles on Ayer (CDP) and Devens, Massachusetts.



File:East Main Ayer MA.jpg

East Main Street circa 1906

Ayer's history dates back to 1667, when the first mill in the agricultural community was built. The settlement sits on what the Nipmuc Indians called Nainacocius. A brook remains with that name. Originally part of Groton, the community was initially called Groton Junction or South Groton. The town of Ayer was incorporated in 1871, and was named in honor of Dr. James Cook Ayer, a prominent resident of Lowell who provided the funding for the construction of the Town Hall.

Regional rail hub[]

The town's growth was influenced by a period of rapid development of railroad transportation. Though only 9.5 square miles (25 km2) in area, the town became a major junction for both east-west and north-south rail lines, and developed into an important commercial center oriented towards the rail industry. Known as Groton Junction and later Ayer Junction, the intersecting railroads included:

  • Fitchburg Railroad in 1844 to Boston and eventually points in New York State (still in operation in 2011 for freight and the MBTA Fitchburg Line).
  • Peterborough and Shirley Railroad in 1848 (became part of the Fitchburg Railroad and later the Boston & Maine Railroad. Its northerly terminus was Greenville, New Hampshire. In 2011 active rail on what is now known as the Greenville Industrial Track serves two customers on line, both located one mile north of Ayer center. Operational rail ceases at a derelict trestle spanning the Nashua River on the Ayer/Groton border. Tracks are intact to Townsend, Massachusetts.
  • Worcester and Nashua Railroad in 1848 (Southern branch to Worcester still in operation in 2011 as a freight line. Northern end of the branch from Ayer to Nashua, NH abandoned in 1981. The Nashua River Rail Trail has occupied the old right-of-way since 2005)
  • Stony Brook Railroad to North Chelmsford, Massachusetts, in 1848 (still in operation in 2011 as a freight line)

The split between the Stony Brook and Fitchburg main line was moved east from the central junction to reduce parallel trackage.

Postcard view showing the two railroad stations that once served Ayer, dated 1910

Military roles[]

During the Civil War an army training camp, Camp Stevens, was located near the Nashua River. Camp Devens, which eventually became Fort Devens, was established in 1917, during World War I. The presence of thousands of military and civilian personnel on the base shifted Ayer's commercial development towards meeting their needs until Fort Devens was closed in 1996, but was reopened the next day as a reserve training area. It has since been reopened, although on a much smaller scale then the days when it was active.

Ski jump[]

In 1935, the largest Nordic ski jump in North America was constructed at Pingry Hill near the Willows. A 700-foot-high wooden trestle build, the ski jump operated for a single winter season amid the hardships of Great Depression-era Ayer. Part of the structure was blown down by the wind in the summer of 1936 and it was never rebuilt. Some of the lumber was salvaged by local residents over the next few years. As of 2013, no trace of the massive structure remains.[3]

Modern day[]

Within its relatively small area Ayer boasts numerous industries, including plants belonging to Cains, Vitasoy and Pepsi, a historical downtown unique to the region, and modern commuter rail service to Boston.

The Hollywood film Conviction (2010 film) depicted the legal drama surrounding the investigation, conviction and eventual exoneration of Kenneth "Kenny" Waters, for the 1980 murder of Katharina Brow. Waters' sister Betty Anne worked with the Innocence Project, a nonprofit organization devoted to overturn the wrongful convictions using DNA test results as evidence. In 2009 the town and its insurers eventually paid a $3.4 million settlement in response to a civil rights lawsuit by the estate of Kenneth Waters.


According to the United States Census Bureau, the town has a total area of 9.6 square miles (24.8 km2), of which 9.0 square miles (23.4 km2) is land and 0.6 square mile (1.4 km2) (5.75%) is water.

Ayer borders the following towns: Shirley, Groton, Littleton, and Harvard.


Historical populations
Census Pop.
1900 2,446
1910 2,797 14.3%
1920 3,052 9.1%
1930 3,060 0.3%
1940 3,572 16.7%
1950 5,740 60.7%
1960 14,927 160.1%
1970 8,325 −44.2%
1980 6,993 −16.0%
1990 6,871 −1.7%
2000 7,287 6.1%
2010 7,427 1.9%

At the 2010 census,[4] there were 7,427 people, 3,118 households and 1,831 families residing in the town. The population density was 825.2 per square mile (317.4/km2). There were 3,462 housing units at an average density of 384.7 per square mile (147.9/km2). The racial makeup of the town was 84.3% White, 5.9% African American, 0.3% Native American, 3.6% Asian, 2.3% from other races, and 3.4% from two or more races. Hispanic or Latino of any race were 5.7% of the population.

There were 3,063 households of which 26.5% had children under the age of 18 living with them, 46.0% were married couples living together, 2.8% had a male householder with no wife present, 11.9% had a female householder with no husband present, and 39.3% were non-families. 32.4% of all households were made up of individuals and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.86.

Of the 7,427 people in the population, 22.6% were under the age of 18, 7.5% were 15 to 19 years of age, 6.7% were 20 to 24 years of age, 28.1% were 25 to 44 years of age, 28.1% were 45 to 64 years of age, and 11.4% were 65 years and over. The median age was 38.2 years. For every 100 females there was 101.2 males. For every 100 females 18 years and over there were 97.9 males.

The median household income was $54,899, and the median family income was $78,947. The median income of individuals working full time was $53,194, for males versus $47,198 for females. The per capita income for the town was $32,179. About 8.0% of families and 12.8% of the population were below the poverty line, including 12.5% of those under age 18 and 9.9% of those age 65 or over.


As a New England town, Ayer is governed by town meeting and a three-member board of selectmen.


Private schools serving Ayer include:

  • Applewild School, established in 1957, - a private, independent co-educational day school for grades Preschool - 8th grade located in Fitchburg, MA.


Montachusett Regional Transit Authority (MART) supplies Councils-On-Aging service.[6] Commuter rail service from Boston's North Station is provided by the MBTA with a stop in Ayer on its Fitchburg Line.[7]

Freight travels daily through Ayer over the tracks of the historic Stony Brook Railroad. The line currently serves as a major corridor of Pan Am Railway's District 3 which connects New Hampshire and Maine with western Massachusetts, Vermont, and New York.[8]

The southern segment of the Nashua River Rail Trail commences in Ayer.

Points of interest[]

Places on the National Register of Historic Places:

  • Community Memorial Hospital - 15 Winthrop Ave.
  • Fort Devens Historic District
  • Ayer Main Street Historic District - Main St.
  • Pleasant Street School - Pleasant St.
  • St. Andrew's Church (1892) - 7 Faulkner St.

Notable residents[]

  • Lee Alexander, bassist
  • C. L. Blood, con artist
  • Foster Ellenborough Lascelles Beal, naturalist[9]
  • The Rev. Angus Dun, vicar at St. Andrew's Episcopal Church
  • Robert Frazier, writer of speculative poetry and fiction
  • Mike Gillian, Longwood University head men's basketball coach
  • Douglas Moore, United States Army officer and namesake of Moore Army Airfield at Fort Devens
  • Jamie Morris, National Football League running back
  • Joe Morris, National Football League running back
  • Betty Anne Waters, lawyer who was able to exonerate her brother and featured in the 2010 film Conviction
  • Norbert Wiener, a child prodigy who graduated from Ayer High School at age 11 and became a pioneering electronics engineer and theorist of computers and cybernetics.
  • Bill Aucoin, American band manager, well known for his work with the rock band Kiss.
  • Rita Briggs,American female baseball catcher who played from 1947 through 1954 for seven different teams in the All-American Girls Professional Baseball League.


  1. ^ a b Cf. Ayer official website
  2. ^ "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Ayer town, Middlesex County, Massachusetts". U.S. Census Bureau, American Factfinder. Archived from the original on September 11, 2013. Retrieved April 5, 2012. 
  3. ^ "Ayer Ski Hill, Ayer, MA 1935-1936"
  4. ^ "American FactFinder". United States Census Bureau. Retrieved June 13, 2013. 
  5. ^ a b Schools in Ayer Public School District - Ayer Public School District website
  6. ^ "MART: Communities Served". Retrieved 31 January 2012. 
  7. ^ MBTA Accessed August 31, 2007.
  8. ^ Pan Am Railways route Accessed August 31, 2007.
  9. ^ Wikisource-logo.svg "Beal, Foster Ellenborough Lascelles". Appletons' Cyclopædia of American Biography. 1900. 

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