Also known as: San Juan, City of San Juan, San Juan, Metro Manila, Lungsod ng San Juan
San Juan City is a highly urbanized city in Metro Manila (NCR), National Capital Region (NCR). Population 134K (PSA 2024 census), 21 barangays, land area 5.95 km².
San Juan City is in the National Capital Region (NCR), also called Metro Manila.
Yes. San Juan City is a highly urbanized city in Metro Manila, officially the National Capital Region (NCR).
San Juan City is in the Second District of the National Capital Region, also known as the Eastern Manila District, together with Mandaluyong, Marikina, Pasig and Quezon City. The Philippine Statistics Authority groups Metro Manila's cities and its one municipality into four such districts. They are a statistical and administrative grouping, not congressional districts.
San Juan City had 134,312 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.
San Juan City covers 5.95 km², per the PSA Philippine Statistical Yearbook figure used on this page.
San Juan City has 21 barangays.
San Juan is the smallest city in the Philippines by land area at 5.95 km², and one of its most unusual in classification terms: it became a Highly Urbanized City in 2007 under Republic Act No. 9388, despite never meeting the Local Government Code's normal 200,000-population threshold for HUC status — its 2020 census population was 126,347. That combination of legal-HUC status, tiny land area, and high density means San Juan's CLUP has almost no undeveloped land to work with and very little room for zoning error across its 21 barangays.
Key industries: Retail and wholesale trade (Greenhills), Jewelry and pearls, Medical and dental services, Real estate, Finance
The Greenhills Shopping Center, a roughly 16-hectare retail and residential complex, anchors much of San Juan's local economy and is known nationally as a center of the jewelry and pearl trade. The city is also home to the Pinaglabanan Shrine, marking the site of the first major armed engagement of the 1896 Philippine Revolution — a reminder that San Juan's compact footprint is layered with both commercial density and national historical significance. On the hazard side, the San Juan River (part of the Pasig-Marikina system) regularly floods low-lying riverside barangays such as San Perfecto and Balong Bato; see the San Juan flood safety guide on Nova Citizen for the river's evacuation trigger levels by barangay.
Officials managing San Juan's zoning challenges can compare approaches with other NCR cities profiled in the LGU directory, including neighboring Quezon City and Manila. 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.
San Juan has to plan around almost no spare land, a legally distinct HUC status, and a flood-prone river system, all inside the smallest footprint of any Philippine city. Nova Gov's compliance tooling is built to help a planning office this space-constrained keep every parcel's zoning classification and hazard overlay precise, since there's no room here to absorb mapping errors. Nova Citizen is designed to route river-level and flood advisories to residents by barangay.
San Juan is the smallest city in the Philippines by land area, with almost no undeveloped parcels left to reclassify. Nova Gov's pilot program is built to help planning offices like San Juan's keep precise, auditable land-use records where every square meter counts.
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