Riley County is located in the state of Kansas, USA. It is home to the city of Manhattan, which is known for being the site of Kansas State University. The county was established in 1855 and covers an area of approximately 2,000 square miles. The population of Riley County is around 70,000 residents, with a diverse community that includes students, families, and professionals. The county features various parks, recreational areas, and historical sites, making it a vibrant place for both residents and visitors.