Semarang City: 177 sub-districts, nine years, month by month

Sub-district recaps of dengue haemorrhagic fever (DBD) and dengue fever (DD) from the Semarang City Health Office reveal hotspots that city totals hide.

Key facts

• 2024: 323 DHF cases (incidence 19.3 per 100,000, 6 deaths) and 6,679 DF cases; combined cases changed +75.7% from 2023.
• 19 sub-districts are rated very high risk and 42 high risk. Top hotspots: Banyumanik (Banyumanik), Pekunden (Semarang Tengah), Sambirejo (Gayamsari), Pandansari (Semarang Tengah), Siwalan (Gayamsari).
• Rainfall correlates with dengue cases most strongly at a 2-month lag (Pearson r = 0.423).
• Spatial statistics: Moran's I shows significant clustering of high-incidence sub-districts in 7 of 9 years; in 2024, I = 0.001 (p = 0.426) and 9 sub-districts are Getis-Ord Gi* hotspots at 90% confidence or more.

Data updated 2026-10-31. Sources: WHO Global Dengue Surveillance; OpenDengue V1.3 (Clarke et al., 2025), doi:10.6084/m9.figshare.24259573; Dinas Kesehatan Kota Semarang; World Bank Open Data; NASA POWER.