Diplahan

Diplahan, officially the Municipality of Diplahan (Cebuano: Lungsod sa Diplahan; Chavacano: Municipalidad de Diplahan; Tagalog: Bayan ng Diplahan), is a municipality in the province of Zamboanga Sibugay, Philippines. According to the 2020 census, it has a population of 32,585 people.^[5]

Diplahan
Municipality
Municipality of Diplahan
Integrated Bus Terminal
Flag Seal
Map of Zamboanga Sibugay with Diplahan highlighted
OpenStreetMap
Diplahan Location within the Philippines
Coordinates: 7°41′28″N 122°59′07″E
Country	Philippines
Region	Zamboanga Peninsula
Province	Zamboanga Sibugay
District	1st district
Barangays	22 (see Barangays)
Government  [1]
• Type	Sangguniang Bayan
• Mayor	Eric Y. Palma
• Vice Mayor	Ramil M. Villaruel
• Representative	Wilter Y. Palma
• Municipal Council	Members Jernil B. Dela Torre Ernie John G. Salomes Danilo S. Abico Sr. Fedemar B. Dalipe Chrislie Lusyl Jore Ricardo Villa Avelia B. Asuncion Winnie Bacay
• Electorate	22,160 voters (2025)
Area [2]
• Total	255.51 km2 (98.65 sq mi)
Elevation	106 m (348 ft)
Highest elevation	369 m (1,211 ft)
Lowest elevation	1 m (3 ft)
Population  (2024 census)[3]
• Total	32,423
• Density	130/km2 (330/sq mi)
• Households	7,370
Economy
• Income class	3rd municipal income class
• Poverty incidence	28.22 % (2021)[4]
• Revenue	₱ 228.1 million (2022)
• Assets	₱ 502.3 million (2022)
• Expenditure	₱ 176.9 million (2022)
• Liabilities	₱ 163.2 million (2022)
Service provider
• Electricity	Zamboanga del Sur 2 Electric Cooperative (ZAMSURECO 2)
Time zone	UTC+8 (PST)
ZIP code	7039
PSGC	0908303000
IDD : area code	+63 (0)62
Native languages	Subanon Cebuano Chavacano Tagalog

Geography

Barangays

Diplahan is politically subdivided into 22 barangays. Each barangay consists of puroks while some have sitios.

• Balangao
• Butong
• Ditay
• Gaulan
• Goling
• Guinoman
• Kauswagan
• Lindang
• Lobing
• Luop
• Manangon
• Mejo
• Natan
• Paradise
• Pilar
• Poblacion (Diplahan)
• Sampoli A
• Sampoli B
• Santa Cruz
• Songcuya
• Tinongtongan
• Tuno

Climate

Based on the Köppen climate classification, Diplahan is considered a tropical rainforest climate (Köppen climate classification Af).^{[citation needed]}

Climate data for Diplahan, Zamboanga Sibugay
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	29 (84)	30 (86)	30 (86)	30 (86)	29 (84)	28 (82)	28 (82)	28 (82)	28 (82)	28 (82)	29 (84)	29 (84)	29 (84)
Mean daily minimum °C (°F)	22 (72)	22 (72)	22 (72)	23 (73)	23 (73)	23 (73)	23 (73)	23 (73)	23 (73)	23 (73)	23 (73)	22 (72)	23 (73)
Average precipitation mm (inches)	61 (2.4)	55 (2.2)	75 (3.0)	81 (3.2)	145 (5.7)	189 (7.4)	189 (7.4)	197 (7.8)	162 (6.4)	181 (7.1)	115 (4.5)	70 (2.8)	1,520 (59.9)
Average rainy days	16.4	15.7	19.1	21.5	26.9	27.1	26.4	25.0	24.2	26.8	23.5	18.7	271.3
Source: Meteoblue[6]

Demographics

Population census of Diplahan

Year	Pop.	±% p.a.
1980	15,899	—
1990	21,221	+2.93%
1995	25,818	+3.74%
2000	23,909	−1.63%
2007	28,010	+2.21%
2010	31,215	+4.02%
2015	32,428	+0.73%
2020	32,585	+0.10%
2024	32,423	−0.12%
Source: Philippine Statistics Authority[7][8][9][10][11]

Economy

Poverty incidence of Diplahan

10 20 30 40 50 60 2000 53.93 2003 27.52 2006 31.50 2009 43.92 2012 35.08 2015 36.45 2018 28.89 2021 28.22 Source: Philippine Statistics Authority[12][13][14][15][16][17][18][19]

Notable personalities

• Wilter Palma - incumbent governor of Zamboanga Sibugay (2013–present); former mayor of Diplahan (before 2013)