the resident population of the United States more»
      
    
  | City: | Mount Vernon | 
| State: | South Dakota | 
| Area Code: | 605 | 
| Latitude: | 43.689046 | 
| Longitude: | -98.248923 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 683 | 
| 2000 Population: | 1,114 | 
| White Population: | 1,099 | 
| Black Population: | 2 | 
| Hispanic Population: | 8 | 
| Hawaiian Population: | 5 | 
| Other Population: | 8 | 
| Male Population: | 584 | 
| Female Population: | 530 | 
| Median Age: | 35.90 | 
| Male Median Age: | 35.20 | 
| Female Median Age: | 37.30 | 
| Households: | 433 | 
| Average Household Size: | 2.80 | 
| Average House Value: | $37,500 | 
| Average Household Income: | $35,417 | 
| Number of Businesses: | 14 | 
| Number of Employees: | 52 | 
| Annual Payroll: | $655,000 | 
| Land Area: | 190.758 sq mi | 
| Water Area: | 0.041 sq mi | 
            Mitchell, SD (      11.3 miles)
             Plankinton, SD (      12.3 miles)
             Letcher, SD (      14.8 miles)
             Stickney, SD (      15.7 miles)
             Ethan, SD (      17.0 miles)
             Dimock, SD (      18.6 miles)
             Fulton, SD (      19.7 miles)