Rajah Buayan

Rajah Buayan
Municipality of Rajah Buayan
Municipal Compound
Motto: 
Udzul ka Rajah Buayan!
Map of Maguindanao del Sur with Rajah Buayan highlighted
Interactive map of Rajah Buayan
Rajah Buayan
Location within the Philippines
Coordinates: 6°54′39″N 124°33′03″E / 6.91083°N 124.55083°E / 6.91083; 124.55083
CountryPhilippines
RegionBangsamoro Autonomous Region in Muslim Mindanao
ProvinceMaguindanao del Sur
District Lone district
FoundedSeptember 4, 2004
Barangays11 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorYacob Lumenda Ampatuan
 • Vice MayorJerry P. Makalay
 • RepresentativeMohamad P. Paglas Sr.
 • Municipal Council
Members
  • Jamshid A. Ampatuan
  • Syed Kamal Reza L. Ampatuan
  • Mohamiden D. Lumenda
  • Mansor S. Makalay
  • Yamashita L. Ibrahim
  • Alvin M. Dagandal
  • Bai Isnaeera A. Blah
  • Rashed C. Badal
 • Electorate14,731 voters (2025)
Area
 • Total
71.98 km2 (27.79 sq mi)
Elevation
15 m (49 ft)
Highest elevation
76 m (249 ft)
Lowest elevation
5 m (16 ft)
Population
 (2024 census)
 • Total
37,437
 • Density520.1/km2 (1,347/sq mi)
 • Households
4,589
Economy
 • Poverty incidence
38.78
% (2021)
 • Revenue₱ 145.7 million (2022)
 • Assets₱ 107.7 million (2022)
 • Expenditure₱ 1,506 million (2022)
 • Liabilities₱ 4.779 million (2022)
Service provider
 • ElectricityMaguindanao Electric Cooperative (MAGELCO)
Time zoneUTC+8 (PST)
ZIP code
9611
PSGC
IDD:area code+63 (0)64
Native languagesMaguindanao
Tagalog

Rajah Buayan, officially the Municipality of Rajah Buayan (Maguindanaon: Ingud nu Rajah Buayan; Iranun: Inged a Rajah Buayan; Tagalog: Bayan ng Rajah Buayan), is a municipality in the province of Maguindanao del Sur. According to the 2020 census, it has a population of 27,832 people.