High Quality Content by WIKIPEDIA articles! Emporia is a city in and the county seat of Lyon County, Kansas, United States. As of the 2010 census, the city population was 24,916. Emporia lies between Topeka and Wichita at the intersection of U.S. Route 50 with Interstates 335 and 35 on the Kansas Turnpike. Emporia is the principal city of the Emporia Micropolitan Statistical Area, which includes all of Lyon and Chase counties.