The research was set out to examine the impact of radio on the voting behaviour of the electorates in the 2018 Ekiti governorship election. The study was anchored on Democratic Participant Method Theory and Agenda Setting Theory. Survey research method was adopted and 100 copies of the questionnaire were printed and administered to the respondents within Ikole-Ekiti using accidental sampling technique and out of 100 copies that were administered 90 copies were returned. Therefore, the data collected were analyzed using frequency and percentage method. Findings showed that mass media especially radio plays a significant role in educating, enlightening, sensitizing and general mobilization of the electorates for political development. Radio is the most effective channels of political education because it offers signal in every nooks and cranny of society and it is very rich in educating, enlightening, mobilizing the electorates for political participation. It is recommended that journalists should see their role in the community, especially during election as vital which they must not toy with while government should provide more freedom and security for the press to act without fair or favour.