Whiting is a city located in the Chicago Metropolitan Area in Lake County, Indiana, which was founded in 1889. The city is located on the southern shore of Lake Michigan. It is roughly 16 miles from the Chicago Loop and just short of two miles from Chicago's South Side. Whiting is home to Whiting Refinery, the largest oil refinery in the Midwest. The population was 4,997 at the 2010 census.
Whiting is located at 41°40′34″N 87°29′26″W / 41.67611°N 87.49056°W / 41.67611; -87.49056 (41.676027, -87.490460) . According to the United States Census Bureau, the city has a total area of 3.3 square miles (8.5 km²), of which, 1.8 square miles (4.6 km²) of it is land and 1.5 square miles (3.9 km²) of it (46.34%) is water.
The Whiting post office (46394) serves not only the City of Whiting, but also the adjacent Hammond neighborhood of Robertsdale, immediately to the west. Addresses in this Hammond neighborhood show “Whiting, Indiana.” While not legally a part of the City of Whiting, locally the area has long been informally considered to be a culturally integrated part of Whiting. References to Whiting businesses or residents often include those technically from Hammond’s Robertsdale.