Schwarmstedt is nearby the A 7 and has a train station for the line section Soltau - Hannover (Heidebahn).

The area around the church of Schwarmstedt (ecclesia swarmstede) have been donated by the Edelherr Mirabilis to the Bishopric of Minden around 1150AD.

It is presumed that the land changed ownership at the end of the 14th century and was then owned by the duchy of Braunschweig-Lüneburg.

data as of 22/01/2012 Schwarmstedt is twinned to Kröpelin (Mecklenburg-Western Pomerania) and Miekinia in the polish Lower Silesian Voivodeship.

He worked as a scientist and political advisor in post-war Germany and had a relevant influence on its development at that time.