 After the end of the conflict, with the abolition of the han system in July 1871, Nanokaichi Domain became Nanokaichi Prefecture, which later became part of Gunma Prefecture.The domain had a population of 614 in 174 households per a census in 1840.The domain's residence in Edo was located near Hanzōmon

Unlike most domains in the han system, which typically consisted of several discontinuous territories calculated to provide the assigned "kokudaka", based on periodic cadastral surveys and projected agricultural yields.