Nemaha County originated in 1855, was named after the Nemaha River. Seneca is the county seat while Sabetha is the largest city. With a population of around 10.1K with a mind blowing mixture of races including White, Native American, Black or African American, Asian, Hispanic or Latino, Pacific Islander, and others, the county has about 3.9K households and 2.7K families. It occupies an estimated area of 719sq mi. The County is located in the northeastern part of Kansas.

Today the Nemaha County stands as the true source of huge records library concerning census index and ancestral SSN, origin and birth history, marriage and divorce decree information, death and obituary news, land registration deeds, military rank, unit and service records, last will and estate records, information on adoption details, naturalization and immigration data, civil lawsuit news, World War I & II and American civil war particulars over the internet all over the world.