This study examines the effect of population density on public awareness of 3R-based domestic waste management in Sangkrah Village, Surakarta City, Indonesia. A quantitative cross-sectional survey design was employed involving 100 residents selected through accidental sampling. Data were collected using structured questionnaires and analyzed using descriptive statistics, Pearson correlation, and simple linear regression. The findings indicate that most respondents possess a good understanding of the 3R concept, yet the implementation of recycling practices and participation in waste management activities remain at a moderate level. Statistical analysis shows that population density has no significant effect on public awareness of domestic waste management. The correlation between the variables was extremely weak, indicating that density alone does not determine environmental awareness. These findings suggest that public awareness is more strongly influenced by other factors, including infrastructure, social participation, and institutional support. The study provides empirical evidence for designing more effective urban waste management policies and community-based environmental programs.
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