On 1 January 1962, the municipality of Diensdorf-Radlow was formed by merging the municipalities of Diensdorf and Radlow. From 1815 to 1947, the constituent localities of Diensdorf-Radlow were part of the
Prussian Province of Brandenburg. 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 ==