the resident population of the United States more»
      
    
  | City: | Union | 
| State: | Illinois | 
| Area Code: | 815 | 
| Latitude: | 42.217760 | 
| Longitude: | -88.519142 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | |
| Population: | 1,541 | 
| 2000 Population: | 1,743 | 
| White Population: | 1,719 | 
| Hispanic Population: | 56 | 
| Asian Population: | 5 | 
| Hawaiian Population: | 3 | 
| Other Population: | 8 | 
| Male Population: | 852 | 
| Female Population: | 891 | 
| Median Age: | 37.90 | 
| Male Median Age: | 38.40 | 
| Female Median Age: | 37.20 | 
| Households: | 615 | 
| Average Household Size: | 2.93 | 
| Average House Value: | $174,700 | 
| Average Household Income: | $61,118 | 
| Number of Businesses: | 75 | 
| Number of Employees: | 1,017 | 
| Annual Payroll: | $29,548,000 | 
| Land Area: | 20.794 sq mi | 
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             Gilberts, IL (      10.2 miles)
             Genoa, IL (      10.8 miles)
             Crystal Lake, IL (      11.0 miles)
             Algonquin, IL (      11.4 miles)