During the time of the ninth lord of the domain, Ienaga UEMURA, the consigned shogunal demesne increased to nearly 66,000 koku, which made the total landholdings approximately 100,000 koku including his own territory, and Ienaga took part in the shogunate government serving in the positions such as Sojaban (an official in charge of the ceremonies), Jisha-bugyo (magistrate of temples and shrines), Wakadoshiyori (junior councilor), Shisseikaku (Rojukaku: a councilor who acted as roju [senior councilor] but whose hereditary stipend was less than the minimum for roju) and so on.
第9代藩主・植村家長の時代には預かり地が6万6000石近くにまでなり、所領と合わせて約10万石となった家長は、奏者番や寺社奉行、若年寄、執政格などを歴任するなど幕政に参与した。