DuPage County, the second most populous county, second only to Cook County, is one of the 5 collar counties that is part of the Chicago metropolitan area. The Counties of DuPage and Cook account for half of the state's population. The county is divided into nine different townships: Addison, Bloomingdale, Downers Grove, Lisle, Milton Naperville, Wayne, Winfield, and York.

DuPage County has long been known as one of the nation's wealthiest in many different types of commerce. Today, DuPage County has the highest per capita income in the Satate of Illinois, as well as the midwest. Nineteen of the county's towns have average hosehold incomes over $100,000.

The many communities located in DuPage County are unique, with differing market conditions, related to location, school districts, park districts, and downtown areas. Boivin Appraisals has extensive experience in these communities and can provide a variety of appraisals services.