Seneca, Kansas, is a small city located in Nemaha County in the northeastern part of the state. Founded in the mid-19th century, it serves as the county seat and has a rich history tied to agriculture and local commerce. The city is known for its friendly community and small-town charm, making it a welcoming place for residents and visitors alike. The population of Seneca is around 2,000 people, and it offers various amenities, including parks, schools, and local businesses. The city is also near the Nemaha River, providing opportunities for outdoor activities such as fishing and hiking.