the resident population of the United States more»
      
    
  | City: | Onslow | 
| State: | Iowa | 
| Area Code: | 563 | 
| Latitude: | 42.141090 | 
| Longitude: | -90.966468 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 270 | 
| 2000 Population: | 477 | 
| White Population: | 475 | 
| Asian Population: | 1 | 
| Male Population: | 230 | 
| Female Population: | 247 | 
| Median Age: | 39.40 | 
| Male Median Age: | 37.80 | 
| Female Median Age: | 40.10 | 
| Households: | 207 | 
| Average Household Size: | 2.50 | 
| Average House Value: | $51,200 | 
| Average Household Income: | $32,031 | 
| Number of Businesses: | 7 | 
| Number of Employees: | 31 | 
| Annual Payroll: | $479,000 | 
| Land Area: | 34.952 sq mi | 
            Onslow, IA (       0.0 miles)
             Monmouth, IA (       4.8 miles)
             Wyoming, IA (       6.1 miles)
             Center Junction, IA (       6.5 miles)
             Baldwin, IA (       7.6 miles)
             Cascade, IA (       9.6 miles)
             Oxford Junction, IA (      11.2 miles)
             Bernard, IA (      11.8 miles)
             Monticello, IA (      12.6 miles)
             Olin, IA (      13.0 miles)