In DuPage County, numerous municipalities have declined to respond to a DuPage Policy Journal inquiry concerning their policies on illegal immigration. Municipalities that refrained from disclosing their stance on the issue include Aurora, Batavia, Darien, Elmhurst, Geneva, Naperville, Oakbrook Terrace, St. Charles, Warrenville, West Chicago, Wheaton, Wood Dale, Addison, Bartlett, Bloomingdale, Bolingbrook, Burr Ridge, Carol Stream, Clarendon Hills, Downers Grove and several others.