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Quincy (IL) Streets, Geographical, Population & More

State St
Chestnut St
N 12th St
S 24th St
Harrison St
College Ave
Vermont St
Lind St
Monroe St
Oak St
Locust St
Spring St
Elm St
Jefferson St
Cherry St
Madison St
Maine St
Ohio St
PO Box
Spruce St
N 24th St
Adams St
Hampshire St
N 5th St
Maple St
Washington St
Jackson St
N 8th St
Sycamore St
Payson Ave

Population of Quincy, Illinois

StateIllinois
Land Area (mi²)15.7 sq mi
Density (mi²)2,496.8/sq mi
2022 Growth Rate-0.3% (-117)
Growth Since 2020-2.2% (-882)
Rank in State46th
Rank in Country1141th

The population of Quincy, IL in 2022 is estimated to be 39,229. This is a decrease of -0.3% (-117 people) compared to the population in 2021.

Population in Metro Area of Quincy by Year

2021 and 2022 population is estimated by projecting the 2019 numbers.

YearPopulationGrowthGrowth Rate

Population of Quincy by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Quincy by Age

Quincy Population Pyramid 2022
Quincy Median Age
40.3
Total
37.8
Male
42.7
Female
Quincy Sex Ratio
47.95%
19,235
Male
52.05%
20,876
Female
Quincy Age Dependency Ratio
35.8
Old Age Dependency Ratio
36.9
Child Dependency Ratio
Quincy Adults
31,540
Adults
(8,321 of whom are seniors) in Quincy.

Population of Quincy by Year

Year
PopulationGrowthAnnual Growth Rate
Streets