After World War II, Diensdorf and Radlow were incorporated into the State of Brandenburg from 1947 to 1952 and the Bezirk Frankfurt of East Germany from 1952 to 1990. Since 1990, Diensdorf-Radlow is again part of Brandenburg.
Demography
Development of Population since 1875 within the Current Boundaries (Blue Line: Population; Dotted Line: Comparison to Population Development of Brandenburg state; Grey Background: Time of Nazi rule; Red Background: Time of Communist rule)
Diensdorf-Radlow: Population development within the current boundaries (2013)