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Quincy, IL Profile


Quincy, IL, population 40,061, is located in Illinois's Adams county, about 94.2 miles from Springfield and 109.4 miles from Peoria.

Through the 90's Quincy's population has grown by about 2%. It is estimated that in the first 5 years of the past decade the population of Quincy has declined by about 1%. Since 2005 Quincy's population has grown by about 1%.

Population Statistics

Gender

Population by Gender
Males 47%
Females 53%
As % of Population
   

Race

Population by Race
White93%
African American5%
Native American0%
Asian1%
Hawaiian0%
Other/Mixed1%
As % of Population
       

Age


Median Age
Population9.99
Males9.99
Females9.99
Vs. State Median Age
  
  
  
Males by AgeFemales by Age
Under 209.99%Under 20: 9.99%
20 to 409.99%20 to 40: 9.99%
40 to 609.99%40 to 60: 9.99%
Over 609.99%Over 60: 9.99%
Age Distribution
       
       
       
       

Size


Population by YearChange Rate
200040,745N/A
200140,547-0.49%
200240,423-0.31%
200339,987-1.08%
200439,653-0.84%
200539,6650.03%
200639,8190.39%
200739,8290.03%
200839,9190.23%
200940,0610.36%
Vs. State Change Rate
 
    
    
    
    
    
    
    
    
    

Economics


Household Income
Median$30,956
Vs. State Median Income
    

Location

Elevation600 feet above sea level
Land Area12.7 Square Miles
Water Area0.8 Square Miles



Area Map