Eupora is the largest city in Webster County, central Mississippi. The population was 2,197 at the 2010 census. Eupora was established in …Eupora is the largest city in Webster County, central Mississippi. The population was 2,197 at the 2010 census. Eupora was established in 1889 by European Americans on a spur track of the Georgia Pacific Railway. While there had been agricultural development prior to this in the county, the railroad stimulated trade and businesses. Today this is the largest city in the county.