From 1945 to 1950 served as Voivodes Jerzy Sztachelski, Stefan Dybowski, Stanisław Krupka and Julian Horodecki.

First members in the Bialystok Voivodeship they were not admitted to the Polish Workers' Party until August 21, 1944, during a meeting of the Provincial Committee.

In 1944 to 1956, the function of the first secretary of the Polish United Workers' Party Voivodeship Committee in Bialystok was held by the following people: Edwarda Orłowska (1944-1945), Mieczysław Bodalski (1945-1947), Mieczysław Tureniec, Józef Faruga, Józef Rygliszyn, Grzegorz Wojciechowski, Stanisław Brodziński and Jan Jabłoński.

dr Jerzy Sztachelski, was elected as the chairman, the vice-chairmen in the persons of Jakub Antoniuk and Władysław Nieśmiałek and the secretary general - Tadeusz Jackowski.

[3] It was later led by Julian Horodecki (14.04.1950–13.04.1952), Mieczysław Moczar (22.04.1952–15.12.1954), Józef Szczęśniak (15.04.1954–01.12.1956), Stanisław Juchnicki (01.12.1956–07.02.1958), Jerzy Popko (07.12.1958–21.11.1962), Stefan Żmijko (21.11.1962–04.03.1972 and Zygmunt Sprycha (04.03.1972–12.12.1973).

Secretaries of the Voivodeship Committee of the Polish United Workers' Party: Voivodes: Chairmen of the Voivodeship National Council Presidium (Polish: Przewodniczący Prezydium WRN w Białymstoku)[4] In early 1944, when the Red Army crossed the Polish frontier before the war, the Bialystok Voivodeship was divided administratively by the German-occupied areas incorporated into the Third Reich (Bezirk Bialystok) and the occupied territories of the USSR (Reich Commissariat East).

Parallel to the occurring process of changing the rule from Nazi to Soviet, the regional branches of the underground organisations continued to be active.

The talks were finalized after Przybyszewski's arrest and in August a joint District Command for NOW and NSZ was established - NOW XIII-C.

31 December 1944 the Provisional Government of the Republic of Poland replaced the Polish Committee of National Liberation.

[8][9] September 25, 1945 part of the counties of the Recovered Territories transmitted under the management of the Białystok Voivodeship (Gołdap, Ełk and Olecko) from District IV (Mazury).

[12] 1954 the following Counties were created: hajnowski,[13] łapy,[14] moniecki, zambrow[15] Between 1954 and 1972, gromadas formed the lowest tier of local government in the voivodeship, taking over the role previously played by gminy.