Wheeler is an unincorporated community in northern Union Township, Porter County, Indiana, United States. It lies along State Road 130 northwest of the city of Valparaiso, the county seat of Porter County, and lies about four times closer to the city of Hobart. Its elevation is 666 feet (203 m), and it is located at 41°30′42″N 87°10′45″W / 41.51167°N 87.17917°W / 41.51167; -87.17917 (41.5117046, -87.1792001). Wheeler has a post office with the ZIP code of 46393.