Illinois Population Statistics: Density Map Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
State Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to national averages. Explore interactive maps for deeper analysis.
Population
| Metric | Illinois | U.S. Average |
|---|---|---|
| Population | 12,497,595 | 334,821,731 |
| Population density (per sq mi) | 215.8 | 85.8 |
| Population growth (%/yr) | -0.18% | 0.57% |
| Median age | 37.3 | 37.1 |
| Households | 5,000,691 | 128,459,983 |
Population in Illinois declined by 0.8% from 2009 to 2023, reaching 12,689,613 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Illinois has a the economy index of B, which means it is quite prosperous.
| Metric | Illinois | U.S. Average |
|---|---|---|
| Median household income | $82,179 | $78,145 |
| Income growth (%/yr) | 4.78% | 5.07% |
| Unemployment rate | 5.8% | 5.2% |
The median household income in Illinois is about 5% higher than in US.
Housing
| Metric | Illinois | U.S. Average |
|---|---|---|
| Median home price | $162,405 | $242,182 |
| Median rent | $1,226 | $1,342 |
| Homeownership rate | 66.8% | 65.1% |
The median home price in Illinois is about 11.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,226 per month for that long.
Commute Time & Mobility
Commuters in Illinois spend about 48 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 198 hours, about 8.3 full days, spent commuting.
| Metric | Illinois | U.S. Average |
|---|---|---|
| One-way commute (min) | 23.8 | 22.5 |
| Round-trip commute (min) | 47.6 | 44.9 |
| Yearly time spent (hours) | 198 | 187 |
| Estimated yearly cost | $6,148 | $5,803 |
| Work from home | 14.0% | 13.4% |
| Highway traffic (vehicles/day) | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 1,547 | 1,355 |
Fastest commutes among counties in
Illinois:
Edgar County (12.1 min), Brown County (12.8 min), McDonough County (13.0 min).
Slowest:
Calhoun County (46.4 min), Cook County (30.8 min), Kendall County (30.7 min).
The average commute time in Illinois is 24 minutes, longer than the 22 minutes in US.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Illinois has a education index of B, which means it is quite educated.
| Metric | Illinois | U.S. Average |
|---|---|---|
| Bachelor's degree or higher | 34.1% | 31.6% |
| Average household size | 2.48 | 2.54 |
Highest education index among counties in
Illinois:
DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest:
Hardin County (0.2), Fayette County (0.2), Perry County (0.2).
Health
Illinois has a health index of B, which means it is quite healthy.
| Metric | Illinois | U.S. Average |
|---|---|---|
| Life expectancy (years) | 77.9 | 78.3 |
| Self-rated poor health | 15.6% | 16.3% |
| Smokers | 19.2% | 19.0% |
Highest health index among counties in
Illinois:
DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest:
Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).
Frequently Asked Questions
Common questions about Illinois.
What is the population of Illinois?
The population of Illinois is 12,497,595, compared to the U.S. total of 334,821,731.
What is the population density of Illinois?
The population density of Illinois is 215.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Illinois?
The median household income in Illinois is $82,179, compared to the U.S. median of $78,145.
What is the median home price in Illinois?
The median home price in Illinois is $162,405, compared to the U.S. median of $242,182.
What is the unemployment rate in Illinois?
The unemployment rate in Illinois is 5.8%, compared to the U.S. average of 5.2%.