This study aimed at examining the effects of insecurity on farming activities, community member mobility, community development projects and extent to which insecurity promote disunity amongst members in Ibarapa North Local Government Areas of Oyo State, Nigeria. The study adopted field survey methods through social survey approach involving a descriptive survey design through structured questionnaire to sample the opinion of residents of Igangan, Tapa and Ayete on the effects of insecurity on their community and as well granted interviews to some affected victims. A population of 3000 residents’ consisting Igangan, Tapa and Ayete communities was targeted. However, random and proportionate-stratified sampling techniques were applied to select 1000 community residence. Two hypotheses consisting of three questions were formulated for this study. Hypotheses were tested to show if there is or no significant relationship between the effects of insecurity and the promotion of disunity among community members in the study areas. Responses to the questionnaire was analysed using Likert scale of Agreed (A), Strongly Agreed (SA), Disagreed (D), and Strongly Disagreed (SD) and the hypotheses was tested using Chi square statistical tools. The results from the study shows effects of insecurity are on faming activities, community people mobility; community development projects and greatly promotes disunity amongst the members of the community. Therefore, this study recommends that the Government, security agencies, local government chairpersons, political office holders, companies operating in these crimes prone areas and also engages stakeholders (i.e. the chiefs, youth leaders, and other community leaders) in town hall meetings and collectively come up with lasting solutions to the insecurity that is affecting their communities.