- Emporia is a city located in Lyon County, in the eastern part of the state of Kansas, United States. It is situated along the Kansas Turnpike and Interstate 35. Emporia is the county seat of Lyon County and has a population of approximately 24,532 people as of 2019. The city is known for its historic downtown area, which features many well-preserved buildings from the late 19th and early 20th centuries. Emporia is also home to Emporia State University, which is a public university with a strong focus on teaching and education. The city offers various recreational activities, parks, and cultural events throughout the year.