Elmwood is a city in Peoria County, Illinois, United States. The population was 1,945 at the 2000 census. Elmwood is part of the Peoria, Illinois Metropolitan Statistical Area. Growth in the city of Peoria is extending towards Elmwood, in addition to the village of Dunlap.
Elmwood is located at 40°46′42″N 89°58′6″W / 40.77833°N 89.96833°W / 40.77833; -89.96833 (40.778378, -89.968355).
According to the United States Census Bureau, the city has a total area of 1.2 square miles (3.2 km²), all of it land.