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is a city in Macoupin and Sangamon counties in the U.S. state of Illinois. The population was 3,488 at the 2000 census.
The Macoupin County portion of Virden is part of the St. Louis, Missouri–Illinois Metropolitan Statisical Area, while the Sangamon County portion is part of the Springfield Metropolitan Statistical Area.
Virden is located at (39.503589, -89.768248). Most of the city lies in Macoupin County, with a small portion extending into Sangamon County. In the 2000 census, 3,378 of the city's 3,488 residents (96.8%) lived in Macoupin County and 110 (3.2%) lived in Sangamon County.
According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.5 km²), all of it land.