Seneca is located in Nemaha County, KS. The population is 1,898, making Seneca the largest city in Nemaha County.
There are 2 public schools in Seneca with an average Homefacts rating of A-. The total crime rate for Seneca is low , and there are 11 registered sex offenders residing in the city. Unemployment in Seneca is low and the median home sales price is $0. Detailed and up-to-date Seneca property reports are available for any property address.
Cities near Seneca include Richmond Township, Mitchell Township and Baileyville.