the resident population of the United States more»
      
    
  | City: | Ayer | 
| State: | Massachusetts | 
| Area Code: | 978 | 
| Latitude: | 42.562912 | 
| Longitude: | -71.568824 | 
| Time Zone: | Eastern GMT -5 | 
| City Alias(es): | Devens Fort Devens , Ft Devens | 
| Population: | 7,413 | 
| 2000 Population: | 8,042 | 
| White Population: | 6,738 | 
| Black Population: | 655 | 
| Hispanic Population: | 648 | 
| Asian Population: | 223 | 
| Hawaiian Population: | 23 | 
| Indian Population: | 10 | 
| Other Population: | 182 | 
| Male Population: | 4,334 | 
| Female Population: | 3,708 | 
| Median Age: | 35.20 | 
| Male Median Age: | 35.00 | 
| Female Median Age: | 35.50 | 
| Households: | 3,470 | 
| Average Household Size: | 2.29 | 
| Average House Value: | $171,100 | 
| Average Household Income: | $46,619 | 
| Number of Businesses: | 288 | 
| Number of Employees: | 5,678 | 
| Annual Payroll: | $222,834,000 | 
| Land Area: | 11.652 sq mi | 
| Water Area: | 0.620 sq mi | 
            Ayer, MA (       0.0 miles)
             Devens, MA (       2.9 miles)
             Groton, MA (       3.5 miles)
             Shirley, MA (       4.0 miles)
             West Groton, MA (       4.1 miles)
             Harvard, MA (       4.5 miles)
             Littleton, MA (       4.6 miles)
             Boxborough, MA (       5.6 miles)
             Still River, MA (       6.2 miles)
             Westford, MA (       6.7 miles)