the resident population of the United States more»
      
    
  | City: | Duncan | 
| State: | Oklahoma | 
| Area Code: | 580 | 
| Latitude: | 34.452727 | 
| Longitude: | -97.852217 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | Halliburton | 
| Population: | 28,795 | 
| 2000 Population: | 27,236 | 
| White Population: | 23,784 | 
| Black Population: | 939 | 
| Hispanic Population: | 1,444 | 
| Asian Population: | 108 | 
| Hawaiian Population: | 1,121 | 
| Indian Population: | 10 | 
| Other Population: | 567 | 
| Male Population: | 13,031 | 
| Female Population: | 14,205 | 
| Median Age: | 40.40 | 
| Male Median Age: | 38.70 | 
| Female Median Age: | 41.90 | 
| Households: | 12,697 | 
| Average Household Size: | 2.40 | 
| Average House Value: | $60,500 | 
| Average Household Income: | $31,606 | 
| Number of Businesses: | 681 | 
| Number of Employees: | 7,658 | 
| Annual Payroll: | $160,087,000 | 
| Land Area: | 332.011 sq mi | 
| Water Area: | 2.198 sq mi | 
            Comanche, OK (       8.3 miles)
             Marlow, OK (       8.6 miles)
             Velma, OK (      14.5 miles)
             Addington, OK (      16.0 miles)
             Loco, OK (      17.2 miles)
             Countyline, OK (      19.3 miles)