Human resources are influential in gaining competitive advantage and efficiency. The purpose of this study is to find out how the competence, population, and performance of the employees of the Ministry of Religion of Sragen Regency affect the performance of employees with demography as a moderating variable at the Office of the Ministry of Religion of Sragen Regency. The research methodology used is a quantitative method with a descriptive and verification approach. The population is the employees of the Ministry of Religion of Sragen Regency. By using a saturated sampling technique, the number of respondents was 123. Data collection techniques use secondary and primary data by distributing questionnaires that have been tested for validity and reliability. Data analysis using SEM (Structural Equation Model) and PLS-MGA (Multi Group Analysis) for demographic moderation analysis using Smart PLS 3 software. The results of hypothesis testing indicate that the competence variable has a positive and significant effect on employee performance. The demographic variables of age and tenure are significantly positive, moderating the effect of employee performance. Demographics based on education level had a significant negative effect on moderating the effect of competence on performance, and demographics based on gender did not significantly moderate the effect of competence on employee performance.