Quincy, Illinois Population 2022
Quincy is a city located in Adams County Illinois. It is also the county seat of Adams County. With a 2020 population of 39,229, it is the 46th largest city in Illinois and the 1141st largest city in the United States. Quincy is currently declining at a rate of -0.30% annually and its population has decreased by -2.20% since the most recent census, which recorded a population of 40,111 in 2020. Spanning over 16 miles, Quincy has a population density of 2,497 people per square mile.
The average household income in Quincy is $65,733 with a poverty rate of 15.32%. The median rental costs in recent years comes to $688 per month, and the median house value is $118,800. The median age in Quincy is 40.7 years, 39.2 years for males, and 42.1 years for females.
Quincy Demographics
According to the most recent ACS, the racial composition of Quincywas:
- White: 88.97%
- Black or African American: 6.50%
- Two or more races: 3.17%
- Asian: 0.72%
- Other race: 0.47%
- Native American: 0.17%
- Native Hawaiian or Pacific Islander: 0.01%
2021 and 2022 population is estimated by projecting the 2019 numbers.
Quincy Population Pyramid 2022
Quincy Renter vs Owner Occupied by Household Type
Quincy Household Types
63.5%
Rate of Home Ownership
2.97
Average Family Size
2.26
Average Household Size
Quincy Educational Attainment by Race
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among other race people with a rate of 60.76%.
$36,436
Average Earnings
$41,739
Average Male
$29,068
Average Female
Quincy Language by Age
Quincy Language
97.18% of Quincy residents speak only English, while 2.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.18% of the population.
Quincy Poverty by Race
15.32%
Overall Poverty Rate
14.18%
Male Poverty Rate
16.38%
Female Poverty Rate
Poverty in Quincy
The race most likely to be in poverty in Quincy is Islander, with 100.00% below the poverty level.
The race least likely to be in poverty in Quincy is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.26%. Among those working part-time, it was 15.83%, and for those that did not work, the poverty rate was 27.20%.
Quincy Income by Household Type
Quincy Marital Status
Marriage Rates
47.6%
Overall Marriage Rate
50.6%
Male Marriage Rate
44.8%
Female Marriage Rate
Quincy Married by Age and Sex
Quincy Marriage
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Quincy Marital Status by Race
2,560
Number of Veterans
Male Veterans
Female Veterans
Quincy Veterans by Education
5.58%
Veteran Poverty Rate
33.83%
Veteran Disability Rate
63.4%
Labor Force Participation
60.1%
Employment Rate
5.2%
Unemployment Rate
Origin of Non-Citizens
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
74.77%
Born in Quincy
98.56%
Native Born
1.44%
Foreign Born
0.31%
Non Citizen
1.13%
Naturalized
Place of Birth
98.56% of Quincy residents were born in the United States, with 74.77% having been born in Illinois. 0.31% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.