In 2017, Quincy, IL-MO had a population of 76.9k people with a median age of 41.2 and a median household income of $48,302. Between 2016 and 2017 the population of Quincy, IL-MO declined from 77,095 to 76,865, a -0.298% decrease and its median household income grew from $47,713 to $48,302, a 1.23% increase.
The population of Quincy, IL-MO is 92.1% White Alone, 3.81% Black or African American Alone, and 1.51% Hispanic or Latino. N/A% of the people in Quincy, IL-MO speak a non-English language, and 99.4% are U.S. citizens.
The median property value in Quincy, IL-MO is $116,500, and the homeownership rate is 70.8%. Most people in Quincy, IL-MO commute by Drove Alone, and the average commute time is 17.1 minutes. The average car ownership in Quincy, IL-MO is 2 cars per household.