Athens (pronounced /eɪθənz/ ay-thənz) is a city in Menard County, Illinois, United States. The population was 1,726 at the 2000 census, and 1,778 at a 2009 estimate. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Athens is located at 39°57′41″N 89°43′29″W / 39.96139°N 89.72472°W / 39.96139; -89.72472 (39.961476, -89.724585).
According to the United States Census Bureau, the city has a total area of 1.5 square miles (3.8 km²), all of it land.