DuPage County taxpayers paid the second largest sum in sales taxes in 2024, according to Illinois tax records.
In total, residents paid approximately $173.4 million in sales taxes during 2024.
The county also ranked second in the Prairie State the year before, with approximately $169.7 million spent in sales taxes.
The largest share of sales taxes paid by DuPage County residents in 2024 came from the County Share of RTA Sales Tax.
The County Share of RTA Sales Tax, a crucial revenue stream, is primarily allocated for other taxing jurisdictions’ use.
A 2025 WalletHub study found that Illinois has the highest overall taxes in the U.S., with rates more than 50% higher than the national average. The study estimates that a median household in Illinois pays an effective tax rate of 16.58%, or about $13,099 per year.
2024 DuPage County Sales Tax Revenues by Type
| Type of Tax | Amount Collected in Year | % Change From Previous Year |
|---|---|---|
| County Share of RTA Sales Tax | $70,243,108 | 3.2% |
| Countywide Sales Tax | $58,626,776 | 0.2% |
| County Motor Fuel Tax | $38,243,737 | 3.2% |
| County Sales Tax | $6,265,659 | 2.9% |
| DuPage Water Commission Sales Tax | $15,761 | -71.5% |
