In 1930, Putna County was administratively divided into three districts (plăși):[1] Subsequently three more districts were established: Putna County had a court with two sections, fourteen magistrates, one chief prosecutor and two prosecutors in the Galați Court of Appeal and nine judges in Focșani, Adjud, Mărășești, Panciu, Năruja, Sascut, Tulnici, and Vidra, with a total of eighteen magistrates.

According to the 1930 census data, the county population was 194,105 inhabitants, 93.3% Romanians, 3.5% Jews, 1.2% Romanies, 1.1% Hungarians, as well as other minorities.

From the religious point of view, 94.2% were Eastern Orthodox, 3.6% were Jewish, 1.6% were Roman Catholic, as well as other minorities.

From the religious point of view, the urban population was composed of 85.1% Eastern Orthodox, 11.1% Jewish, 2.2% Roman Catholic, as well as other minorities.

The county had three Orthodox protopopes residing in Focșani, Drăgușeni, and Vrancea and was in the eparchy (bishopric) of Roman (in the metropolitanate of Moldavia and Suceava).