About This Place
Buffalo is a village in Sangamon County, Illinois, United States. The population was 491 at the 2000 census. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Buffalo is located at 39°51′6″N 89°24′33″W / 39.85167°N 89.40917°W / 39.85167; -89.40917 (39.851779, -89.409044).
According to the United States Census Bureau, the village has a total area of 0.4 square miles (1.0 km²), all of it land.