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Ayer (CDP), Massachusetts facts for kids

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Ayer, Massachusetts
Town Hall
Town Hall
Location in Middlesex County in Massachusetts
Location in Middlesex County in Massachusetts
Country United States
State Massachusetts
County Middlesex
 • Total 1.3 sq mi (3.4 km2)
 • Land 1.2 sq mi (3.2 km2)
 • Water 0.1 sq mi (0.2 km2)
240 ft (73 m)
 • Total 2,868
 • Density 2,210/sq mi (844/km2)
Time zone UTC-5 (Eastern (EST))
 • Summer (DST) UTC-4 (EDT)
ZIP code
Area code(s) 978
FIPS code 25-03040
GNIS feature ID 0611084

Ayer is a census-designated place (CDP) in the town of Ayer in Middlesex County, Massachusetts, United States. The population was 2,868 at the 2010 census.


Ayer is located at 42°33′36″N 71°35′7″W / 42.56000°N 71.58528°W / 42.56000; -71.58528 (42.560033, -71.585321).

According to the United States Census Bureau, the CDP has a total area of 3.4 km² (1.3 mi²). 3.2 km² (1.2 mi²) of it is land and 0.2 km² (0.1 mi²) of it (4.62%) is water.


As of the census of 2000, there were 2,960 people, 1,258 households, and 680 families residing in the CDP. The population density was 929.2/km2 (2,397.9/mi2). There were 1,369 housing units at an average density of 429.7/km2 (1,109.0/mi2). The racial makeup of the CDP was 88.31% White, 4.93% Black or African American, 0.24% Native American, 2.64% Asian, 0.14% Pacific Islander, 1.08% from other races, and 2.67% from two or more races. Hispanic or Latino of any race were 3.11% of the population.

There were 1,258 households, out of which 26.3% had children under the age of 18 living with them, 36.9% were married couples living together, 13.0% had a female householder with no husband present, and 45.9% were non-families. 38.6% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.96.

In the CDP, the population was spread out, with 21.9% under the age of 18, 7.3% from 18 to 24, 35.0% from 25 to 44, 18.2% from 45 to 64, and 17.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 93.7 males. For every 100 females age 18 and over, there were 88.4 males.

The median income for a household in the CDP was $41,808, and the median income for a family was $55,375. Males had a median income of $39,879 versus $32,083 for females. The per capita income for the CDP was $23,574. About 5.2% of families and 9.4% of the population were below the poverty line, including 8.6% of those under age 18 and 17.8% of those age 65 or over.

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