The average individual in Illinois held $54,100 in household debt during 2025, according to data from USAFacts. This amount includes obligations such as mortgages, student loans, credit cards, and auto loans.
After adjusting for inflation, this represents a decrease of $745 compared to the previous year. Illinois residents carried $9,200 less debt on average than the national figure for the same period.
Debt Composition and Regional Differences
Mortgage debt made up approximately 67.5% of total household debt in Illinois. Mortgages remain the largest and longest-term liabilities, often spanning from five to 30 years, which amplifies their share of total debt.
Debt-to-income ratios vary widely across Illinois counties. Kendall County recorded the highest ratio at 5.31, indicating that residents owed $5.31 in debt per $1 of income. Brown County had the lowest ratio, with residents holding $0.26 of debt for every dollar earned.
