the resident population of the United States more»
      
    
  | City: | Williamson | 
| State: | Iowa | 
| Area Code: | 641 | 
| Latitude: | 41.117308 | 
| Longitude: | -93.270394 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| 2000 Population: | 229 | 
| White Population: | 229 | 
| Male Population: | 126 | 
| Female Population: | 103 | 
| Median Age: | 37.80 | 
| Male Median Age: | 36.00 | 
| Female Median Age: | 41.50 | 
| Households: | 108 | 
| Average Household Size: | 2.44 | 
| Average House Value: | $20,500 | 
| Average Household Income: | $20,357 | 
| Number of Businesses: | 1 | 
| Number of Employees: | 3 | 
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