Also known as: City of Calamba, Lungsod ng Calamba, Kalamba
Calamba City is a component city in Laguna, Region IV-A (CALABARZON). Population 575K (PSA 2024 census), 54 barangays, land area 149.5 km².
Calamba City is a component city in Laguna, Region IV-A (CALABARZON).
No. Calamba City is a component city in Laguna, Region IV-A (CALABARZON), outside Metro Manila (the National Capital Region).
Calamba City had 575,046 residents in the 2024 census (PSA 2024 Census of Population (POPCEN 2024), reference date July 1, 2024). That is the most recent official count. There is no 2026 census result, so any 2026 population figure is an estimate.
Calamba City covers 149.5 km², per the PSA Philippine Statistical Yearbook figure used on this page.
Calamba City has 54 barangays.
Calamba City anchors one of CALABARZON's densest manufacturing corridors, hosting Light Industry and Science Park II, Carmelray Industrial Park 1 and 2, and the Calamba Premiere International Park along the SLEX-facing Cabuyao–Calamba–Santa Rosa industrial belt. The city carries a different identity too: it is the birthplace of national hero Jose Rizal, and its Pansol district has earned it the nickname "Spring Resort Capital of the Philippines" for its cluster of hot-spring resorts.
Key industries: Automotive and electronics manufacturing, Industrial parks (Light Industry and Science Park II), Tourism (Jose Rizal Shrine, Pansol hot springs), Mixed-use development (Nuvali)
Calamba's position on Laguna de Bay's shoreline makes it exposed to the lake's flood cycles. On July 26, 2025, Laguna province was placed under a state of calamity after Typhoon Crising and intensified monsoon rains pushed the lake to 12.62 meters, above its 12.50-meter critical level, displacing an estimated 55,000 residents across 244 barangays provincewide — three of the five relief evacuation sites set up in response were located in Calamba City itself. The city's population grew from 539,671 in the 2020 Census to 575,046 in the 2024 Census.
Officials managing Calamba's lake-level flood exposure can compare notes with other Laguna de Bay-facing cities in the LGU directory. Planning teams evaluating digital compliance tools can explore the pilot program or schedule a consultation.
More on the regulatory framework: CLUP compliance (RA 7160 / EO 72 / DHSUD) · SGLG explainer (RA 11292) · full glossary.
Calamba has to track lake-level flood risk that can displace tens of thousands of residents province-wide, coordinate relief across its own evacuation sites, and keep that picture current alongside a dense, fast-growing industrial zoning map. Nova Gov's platform is built for exactly this kind of cross-department coordination, and the pilot program is designed to help planning offices bring hazard overlays and land-use records into one place.
When Laguna de Bay crossed its critical level in 2025, Calamba had to stand up relief sites for residents displaced across the province. See how a founding pilot could line up hazard overlays with zoning and permitting records ahead of the next event.
Explore the Calamba City pilot →We build custom software around CLUP, CDP and zoning work, for LGU planning offices and for the planning firms LGUs hire. Free 30-minute workflow call, then a fixed written quote.
See what we build for urban planners →