Quincy, IL
Full City Profile · Illinois · Adams County County
3.9
/5.0
B+
Good
39,188
Population
2,462/sq mi density
$56,372
Median Income
$34,819 per capita
$146,100
Home Value
$182,657 Zillow
$824
Median Rent
26.6% income on rent
54°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$56,372 median income, 4.2% unemployment
A+
Affordability
5.0 / 5.0
$146,100 home value, $824/mo rent
B
Education
3.1 / 5.0
26.6% bachelor's degree or higher
Population Overview
Total Population
39,188
Census 2023
Population Density
2,462
per square mile
Land Area
15.9
square miles (41.2 km²)
Median Age
40.1 yrs
3% above US avg (38.9 yrs)
Gender Distribution
48.1%
Male
51.9%
Female
Race & Ethnicity
| White | 87.2% US: 61.6% |
| Black | 5.2% US: 12.4% |
| Hispanic | 2.4% US: 18.7% |
| Asian | 1% US: 5.9% |
| Other | 4.2% |
City vs. U.S. Average
White
87.2%
Black
5.2%
Hispanic
2.4%
Asian
1%
Thin line = U.S. average
Language Spoken at Home
| English Only | 96.7% US: 78.5% |
| Spanish | 3.3% US: 13.4% |
City vs. U.S. Average
English Only
96.7%
Spanish
3.3%
Thin line = U.S. average
Social Characteristics
Foreign Born
2.0%
Veterans
8.1%
35% above US avg (6%)
Disability
18.8%
45% above US avg (13%)
Health Insurance Coverage
95.8%
5% above US avg (91.4%)
Uninsured
4.2%
51% below US avg (8.6%)
Income Inequality (Gini)
0.437
US avg: 0.490 (0 = perfect equality, 1 = max inequality)
Complete Demographics Data
Population
| Total Population | 39,188 |
| Population Year | 2023 |
| Population Density | 2,462 / sq mi |
| Land Area | 15.9 sq mi |
| Median Age | 40.1 years |
Gender
| Male | 48.1% |
| Female | 51.9% |
Race & Ethnicity
| White | 87.2% |
| Black or African American | 5.2% |
| Hispanic or Latino | 2.4% |
| Asian | 1.0% |
Language
| English Only | 96.7% |
| Spanish | 3.3% |
Social Indicators
| Foreign Born | 2.0% |
| Veterans | 8.1% |
| Disability | 18.8% |
| Health Insurance | 95.8% |
| Uninsured | 4.2% |
| Broadband Access | 84.0% |
| Gini Coefficient | 0.437 |
Classification
| USDA Rural-Urban Code | 5, Nonmetro / Urban 20K+ |