Wyoming is a city in Stark County, Illinois, United States. The population was 1,424 at the 2000 census. It is the headquarters of the Rock Island Trail State Park. Wyoming is part of the Peoria, Illinois Metropolitan Statistical Area. The former CB&Q Railroad depot in town is the Rock Island Trail State Park's headquarters.
Wyoming is located at 41°3′49″N 89°46′27″W / 41.06361°N 89.77417°W / 41.06361; -89.77417 (41.063576, -89.774041).
According to the United States Census Bureau, the city has a total area of 0.7 square miles (1.9 km²), all of it land.