A new SmartAsset study ranked the 10 wealthiest counties in Illinois based on income, home values, and investment income.

Here is a county-by-county map of how the state voted in the last presidential election. Illinois is expected to continue to be a Democratic stronghold for Vice President Kamala Harris in the 2024 ...

A recent study from financial techology company SmartAsset aggregated the 10 wealthiest counties in Illinois, ranking them state and nationwide. The study compared median income, property value ...

with average investment income at $23,821 and median home value at $139,536. To see the study's interactive map and where the Illinois counties ranked nationally, click HERE.