Enrollment Area Counties
At the time of enrollment, participants were living within a 28-county area of central and southern Wisconsin.
Adams, Calumet, Columbia, Dane, Dodge, Fond Du Lac, Green, Green Lake, Iowa, Jefferson, Juneau, Lafayette, Marathon, Marquette, Milwaukee, Outagamie, Ozaukee, Portage, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood
Current Study Area
Now, WDRS participants live all across Wisconsin, the USA, and the World.
Arkansas, Arizona, California, Colorado, District of Columbia, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Maryland, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New Mexico, Nevada, New York, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin, West Virginia, and the Netherlands
Many participants move out of the state temporarily (for example, to attend school). We are happy to have your continued support from wherever you call home!