[2] In 1940, following the Molotov–Ribbentrop Pact and the Soviet ultimatum on 26 June 1940, Northern Bukovina (including the whole Cernăuți County) was occupied by the Soviet Union and incorporated into the USSR (Chernivtsi Oblast, Ukrainian SSR).

Nevertheless, in August 1944 the Northern Bukovina was taken over again by the Soviet Army, and the borders as of 1 January 1941 were confirmed by the 1947 Paris Peace Treaties.

The county consisted of four plăși (districts):[3] The coat of arms featured three trees, one of which was white, under two crossed swords.

[5] As of 1930, there were four urban population centres in the county: Cernăuți with 111,147 people, Sadagura with 9,005, Zastavna with 5,038, and Cozmeni with 5,015.

In 1930 the urban population of Cernăuți was 130,205, which included 29.1% Jews, 25.9% Romanians, 23.3% Germans, 11.3% Ukrainians, 8.8% Romani, 7.5% Poles and 1.6% Russians by ethnicity, as well as other minorities.