the resident population of the United States more»
      
    
  | City: | Derby | 
| State: | Iowa | 
| Area Code: | 641 | 
| Latitude: | 40.935118 | 
| Longitude: | -93.484795 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | Last Chance | 
| Population: | 309 | 
| 2000 Population: | 390 | 
| White Population: | 386 | 
| Hispanic Population: | 5 | 
| Other Population: | 2 | 
| Male Population: | 199 | 
| Female Population: | 191 | 
| Median Age: | 39.00 | 
| Male Median Age: | 39.10 | 
| Female Median Age: | 38.80 | 
| Households: | 172 | 
| Average Household Size: | 2.64 | 
| Average House Value: | $45,000 | 
| Average Household Income: | $34,286 | 
| Number of Businesses: | 4 | 
| Number of Employees: | 14 | 
| Annual Payroll: | $136,000 | 
| Land Area: | 45.335 sq mi | 
| Water Area: | 0.072 sq mi | 
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