New London is the county seat, not Hannibal

Ralls County’s seat is New London, a small city in the northern part of the county where the courthouse and core county offices sit. Newcomers sometimes assume county business runs through Hannibal, the larger city just to the north, but Hannibal is in Marion County, not Ralls. For anyone handling assessment, recording, tax payment, or court business in Ralls County, that generally means dealing with offices in New London rather than driving to Hannibal. The two areas are close and economically linked, so day-to-day life can straddle the county line even though the government functions do not. The practical step is to confirm where a given Ralls County office or court function is actually handled, and to use a New London address for county business rather than assuming the nearest big town serves the same role.