Illinois is a state in the Midwest region of the United States, known for the Great Lakes shoreline, prairie lands, and urban Chicago. It has a population of 12,778,100, making it the 6th most populated state in the country. The capital city is Springfield. Illinois has a diverse economy with financial services and manufacturing strength.
Data after 2023 is projected based on recent change
The racial composition of Illinois includes 63.33% White, 13.79% Black or African American, 7.25% other race, 5.82% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White
Black or African American
Two or more races
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,038,517 | 63.33% |
| Black or African American | 1,750,417 | 13.79% |
| Two or more races | 1,172,661 | 9.24% |
| Other race | 920,254 | 7.25% |
| Asian | 738,308 | 5.82% |
| Native American | 66,990 | 0.53% |
| Native Hawaiian or Pacific Islander | 5,514 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Illinois' average per capita income is $53,922. Household income levels show a median of $81,702. The poverty rate stands at 11.72%.
Name | Median | Mean |
|---|---|---|
| Married Families | $123,722 | $159,196 |
| Families | $103,504 | $136,221 |
| Households | $81,702 | $112,993 |
| Non Families | $48,992 | $69,842 |
Average Income
Median Household Income
Poverty Rate
Illinois’s population trends show a significant urban-suburban divide, with Cook County remaining the largest at over 5 million residents despite a 4.3% decline since 2020. While Chicago’s collar counties show mixed patterns—Kendall County growing 9.5% while DuPage County declined 1.2%—the most dramatic changes are occurring in rural areas. Alexander County and Gallatin County have experienced severe population losses of 14.8% and 11.6% respectively. The state’s population density varies extremely, from Cook County’s 5,331 people per square mile to rural counties with fewer than 20 people per square mile.