This project looks into The effect of mass media on the political behavior of the electorate. The possibility that the influence of this way mass media present news could be systematic or deliberate and politically biased in one direction or the other gave rise to the study. Its broad objective is to determine the effects of mass media on the political behavior of the electorate as it concerns their knowledge of political issues, turn out in elections and choice of a political candidate. However, the population of study in every adult citizens who resides at Umuahia and are 18 years and above. The researcher adopted survey methods which involve the use of question raise and the sampling techniques used were cluster and sample random sampling method. Consequently, it was observed that exposure to mass media makes the electorate become aware of political issues and voters’ turnout is significantly affected by media coverage of politics. Meanwhile, it was also observed that the mass media, to some extent, influenced the electorate’s choice of candidate. Therefore, the media should give equal publicity to all aspiring political candidates.