Type: Rural-urban barangay situated in the Candaba Riverside District, bordering Bulacan and Pampanga towns (Pasig, San Luis).
Coordinates & Elevation: ~15.0746° N, 120.8145° E; ~13.6 m (44.6 ft) above sea level creazilla.com+15philatlas.com+15commons.wikimedia.org+15commons.wikimedia.org+2commons.wikimedia.org+2commons.wikimedia.org+2.
Population (2020): 4,837 residents, making up ~4.05% of Candaba’s total population philatlas.com.
Households (2015): 4,891 residents across 958 households — 5.11 persons/household on average philatlas.com+1mapcarta.com+1.
Age Profile (2015):
Median age: ~24.36 years
Largest cohort: 10–14 years (~11.37%)
Dependency ratios: Youth ~46.6%, Elderly ~7.1%, Total ~53.7% philatlas.com.
Growth from 2,534 (1990) to 4,837 (2020)—+2,303 over 30 years.
Recent trend: slight decline from 2015 to 2020 (−0.23% annual) philatlas.com.
Positioned along Candaba–San Miguel/Baliuag road; blends residential, floodplain agriculture, and ecotourism zones like wetland piers onepropertee.com+15en.wikipedia.org+15commons.wikimedia.org+15.
Land values vary: road-front lots approximate ₱1,500–1,700/m²; interior lands likely ₱750–1,000/m², consistent with Candaba swamp barangays.
Barangay Hall and Covered Court located centrally punto.com.ph+2en.wikipedia.org+2en.wikipedia.org+2commons.wikimedia.org+7mapcarta.com+7mapcarta.com+7.
San Isidro Labrador Chapel serves as the religious focal point mapcarta.com+1mapcarta.com+1.
Mandasig Pier/Wetlands Pier enables eco-tourism and bird-watching in swamp environments creazilla.com+15commons.wikimedia.org+15commons.wikimedia.org+15.
Water tower, daycare center, health/social desks, and disaster response facilities are present mapcarta.com+1globgov.com+1.
Education: a daycare school onsite; primary schools likely in adjacent barangays.
Sited along the Pan‑Philippine Highway (Maharlika/Candaba–San Miguel Road) with constant jeepney/tricycle services commons.wikimedia.org.
Flood resilience: pier and levee interventions along Pampanga River banks.
Livelihoods focus on mixed farming (rice, fishponds), duck-egg production, and tourism (bird watching) tied to seasonal river flooding en.wikipedia.org.
Local initiatives, such as marking "Home of Migratory Birds" and pier development, indicate community-driven eco-tourism commons.wikimedia.org+4commons.wikimedia.org+4commons.wikimedia.org+4.
Barangay-led civic services include special desks (senior citizens, women's support) and active MDRRMO engagement in flood relief globgov.com.
As one of 33 barangays, Mandasig plays a key role in Candaba’s identity as a swamp and migratory bird sanctuary creazilla.com+15en.wikipedia.org+15philatlas.com+15.
Proximity to major facilities: Candaba Community Hospital, Don Honorio Ventura State University–Candaba, Municipal Police & Social Halls.
A 5,000-unit condo project ("St. Andrew’s Residences") is underway under the 4PH program, due to Mandasig's connectivity and flood-free build zone punto.com.ph+3punto.com.ph+3lamudi.com.ph+3.
Dialysis center to open in Mandasig in 2024—15 machines to serve up to 45 patients/day sunstar.com.ph.