Rosemont is a village in Cook County, Illinois, United States located immediately northwest of Chicago. The village was incorporated in 1956, though it had been settled long before that. While Rosemont's land area and population are relatively small among municipalities in the Chicago Metropolitan Area, the village is a major center for commercial activity in the region and is a key component of the Golden Corridor. Numerous corporate facilities and the 78,000 square meter Donald E. Stephens Convention Center are located in Rosemont.
Rosemont is located at 41°59′27″N 87°52′26″W / 41.99083°N 87.87389°W / 41.99083; -87.87389 (41.990730, -87.873816).
According to the United States Census Bureau, the village has a total area of 1.7 square miles (4.5 km²), all land.