The demographic under-representation in tertiary institutions is the key issue in universities in Anambra state and this seems to have affected the university staff performance. The broad objective of this study is to assess the influence of workforce diversity on performance of employees. A survey research method was adopted for the study. The instrument used to gather relevant data for the study was the questionnaire. The study centered on the Universities in Anambra State using workforce diversity variables of gender and age on employee engagement, and employee creativity respectively as employee performance variables. A total of 386 copies of questionnaire were disseminated to the respondents but only 378 copies were filled and returned. In order to achieve the research objectives, two hypotheses were created. The data were collated and analyzed using the Statistical Package for the Social Sciences (SPSS). Percentages and frequencies tables were used for the descriptive aspects. To test the hypotheses, Pearson Product Moment Correlation Coefficient Analysis was adopted. The research findings show that all variables of workforce diversity used in the study has a significant positive relationship with the performance of employees of Universities in Anambra State. Hence, based on findings, it is recommended that University management need to maintain a supportive behavior with employees that is more likely to enhance creative performance and implement diversity management policies to reduce harmful personal and organizational consequences of employment discrimination. This study will add to the already existing body of literature on workforce diversity and it will help tertiary institutions, other organizations, employees, government and the society as a whole to fully understand diversity issues, how to manage it and how to reap the benefits.