the resident population of the United States more»
      
    
  | City: | Cortland | 
| State: | Illinois | 
| Area Code: | 815 | 
| Latitude: | 41.925813 | 
| Longitude: | -88.690810 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 3,911 | 
| 2000 Population: | 1,294 | 
| White Population: | 1,209 | 
| Black Population: | 25 | 
| Hispanic Population: | 65 | 
| Asian Population: | 19 | 
| Other Population: | 18 | 
| Male Population: | 634 | 
| Female Population: | 660 | 
| Median Age: | 29.80 | 
| Male Median Age: | 30.30 | 
| Female Median Age: | 29.10 | 
| Households: | 495 | 
| Average Household Size: | 2.71 | 
| Average House Value: | $125,700 | 
| Average Household Income: | $48,984 | 
| Number of Businesses: | 40 | 
| Number of Employees: | 334 | 
| Annual Payroll: | $12,027,000 | 
| Land Area: | 0.984 sq mi | 
            Dekalb, IL (       2.7 miles)
             Sycamore, IL (       5.6 miles)
             Maple Park, IL (       6.2 miles)
             Clare, IL (       9.8 miles)
             Malta, IL (      10.0 miles)
             Hinckley, IL (      10.4 miles)
             Kaneville, IL (      10.7 miles)
             Elburn, IL (      11.0 miles)
             Burlington, IL (      11.3 miles)