The administrative center of the raion was the urban-type settlement of Zakharivka.
According to the 2001 census, the majority of the Frunzivka district's population spoke Ukrainian (92.09%), with Romanian (4.07%) and Russian (3.22%) speakers in the minority.
[1] The raion was abolished and its territory was merged into Rozdilna Raion on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Odesa Oblast to seven.
[4] On 19 May 2016, Verkhovna Rada adopted decision to rename Frunzivka to Zakharivka and Frunzivka Raion to Zakharivka Raion conform to the law prohibiting names of Communist origin.
[5] At the time of disestablishment, the raion consisted of two hromadas:[6] Zakharivka Raion consisted of 2 urban-type settlements (Zakharivka and Zatyshshia) and 51 villages.