the resident population of the United States more»
      
    
  | City: | Martelle | 
| State: | Iowa | 
| Area Code: | 319 | 
| Latitude: | 42.021646 | 
| Longitude: | -91.350473 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 386 | 
| 2000 Population: | 572 | 
| White Population: | 565 | 
| Black Population: | 1 | 
| Hispanic Population: | 1 | 
| Asian Population: | 1 | 
| Male Population: | 287 | 
| Female Population: | 285 | 
| Median Age: | 38.90 | 
| Male Median Age: | 38.90 | 
| Female Median Age: | 38.80 | 
| Households: | 232 | 
| Average Household Size: | 2.59 | 
| Average House Value: | $77,300 | 
| Average Household Income: | $49,286 | 
| Number of Businesses: | 8 | 
| Number of Employees: | 21 | 
| Annual Payroll: | $654,000 | 
| Land Area: | 25.274 sq mi | 
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