the resident population of the United States more»
      
    
  | City: | Calamus | 
| State: | Iowa | 
| Area Code: | 563 | 
| Latitude: | 41.800101 | 
| Longitude: | -90.740097 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 663 | 
| 2000 Population: | 880 | 
| White Population: | 872 | 
| Hispanic Population: | 9 | 
| Hawaiian Population: | 2 | 
| Male Population: | 434 | 
| Female Population: | 446 | 
| Median Age: | 36.90 | 
| Male Median Age: | 36.90 | 
| Female Median Age: | 36.90 | 
| Households: | 373 | 
| Average Household Size: | 2.53 | 
| Average House Value: | $74,700 | 
| Average Household Income: | $43,889 | 
| Number of Businesses: | 22 | 
| Number of Employees: | 138 | 
| Annual Payroll: | $2,786,000 | 
| Land Area: | 43.830 sq mi | 
| Water Area: | 0.111 sq mi | 
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