Abstract The purpose of this research is to know the aspects affecting the performance of Sidomulyo Village Secretary Purworejo Purworejo District, To know the performance of the Secretary of Sidomulyo Village Purworejo Purworejo District, To find out the most dominant aspects that affect the performance of the Secretary of Siodmulyo Village Purworejo District Purworejo District. Sampling using the method of acidental sampling, the number of samples taken in this study amounted to 10% of the total population (450 people) that is 45 people. This research use data analysis method that is likert scale Based on the research that the authors do ultimately obtained the results that aspects that affect the performance of Sidomulyo Village Secretary include morale, responsibility, discipline and honesty. Performance Secretary of Sidomulyo Village with the aspect of Spirit of Work get score 486, responsibility with score 501, discipline aspect with score 467 and for Honest aspect get score 484. From result of calculation of respondent score that is Job Spirit having score 486, Variable Responsibility have score 501, Discipline Variables have 467 Scores, and for Variables Honesty has a score of 484. With these results then The most dominant aspect of the performance of Village Secretary in Sidomulyo Village Purworejo District Purworejo District is Aspects of Responsibility with a score of 501. Keyword: Responsibility, Discipline, Performance