Demographics in Quincy, IL
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Quincy?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
39,188
Male
18,849
48.1%
Female
20,339
51.9%
Median Age
40.1
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White87.2%
Black5.2%
Hispanic2.4%
Asian1.0%
Two or More5.8%
Other0.7%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
18.5%
High School or Higher
42.1%
Foreign Born
2.0%
Veterans
6.4%
Married
36.7%
Avg Household Size
2.2
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Quincy, IL has a population of 39,188 with a median age of 40.1. The racial makeup is 87.2% White, 2.4% Hispanic, 5.2% Black, 1.0% Asian. About 18.5% of residents hold a bachelor's degree or higher. The foreign-born population is 2.0%.