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Siay

From Wikipedia, the free encyclopedia
Siay
Municipality
Municipality of Siay
Flag of Siay
Flag
Official seal of Siay
Seal
Map of Zamboanga Sibugay with Siay highlighted
Map of Zamboanga Sibugay with Siay highlighted
Map
Interactive map of Siay
Siay is located in Philippines
Siay
Siay
Location within the Philippines
Coordinates: 7°42′20″N 122°51′51″E / 7.705614°N 122.864094°E / 7.705614; 122.864094
CountryPhilippines
RegionZamboanga Peninsula
ProvinceZamboanga Sibugay
District 2nd district
FoundedDecember 28, 1956
Barangays29 (see Barangays)
Government
 [1]
 • TypeSangguniang Bayan
 • MayorJarvis M. Acosta
 • Vice MayorJulius M. Acosta Jr.
 • RepresentativeDr. Marly T. Hofer-Hasim
 • Municipal Council
Members
  • Emma E. Bagaforo
  • Cerses P. Ebol
  • Rogie S. Enriquez
  • Jimmy S. Cañete
  • Ritche C. Paster
  • Juan G. Tumampos
  • Romeo P. Tenerife
  • Joelly D. Sasota
 • Electorate25,960 voters (2025)
Area
[2]
 • Total
313.66 km2 (121.10 sq mi)
Elevation
34 m (112 ft)
Highest elevation
222 m (728 ft)
Lowest elevation
−3 m (−9.8 ft)
Population
 (2024 census)[3]
 • Total
43,233
 • Density137.83/km2 (356.99/sq mi)
 • Households
10,096
Economy
 • Income class1st municipal income class
 • Poverty incidence
18.88
% (2023)[4]
 • Revenue₱ 252.8 million (2024)
 • Assets₱ 484.4 million (2024)
 • Expenditure₱ 101.6 million (2024)
 • Liabilities₱ 117.3 million (2024)
Service provider
 • ElectricityZamboanga del Sur 2 Electric Cooperative (ZAMSURECO 2)
Time zoneUTC+8 (PST)
ZIP code
7006
PSGC
0908313000
IDD : area code +63 (0)62
Native languagesSubanon
Cebuano
Chavacano
Tagalog
Websitewww.siaysibugay.gov.ph

Siay, officially the Municipality of Siay (Cebuano: Lungsod sa Siay; Chavacano: Municipalidad de Siay; Tagalog: Bayan ng Siay), is a municipality in the province of Zamboanga Sibugay, Philippines. According to the 2024 census, it has a population of 43,233 people.[5]

The municipality is located in the 2nd District and the eastern part of the province of Zamboanga Sibugay. It is 38 kilometers from Ipil, 220 kilometers to Dipolog, and 180 kilometers east to Zamboanga City. It is geographically situated within a map coordination of 741 east & 122* 53*west.

Siay is bounded from the north by the municipality of Diplahan, south by the Sibuguey Bay, west by the municipality of Kabasalan, and east by the municipality of Imelda.

History

[edit]

The municipality was created through Executive Order No. 223, signed by President Ramon Magsaysay on December 28, 1956, consisting twenty-six barrios and sitios of Kabasalan, including Barrio Siay which was designated as the seat of government, and another six in Malangas, all then located in Zamboanga del Sur.[6]

Siay had its territory reduced in November 1977 with the detachment of twenty-two barangays; thirteen were organized into the new municipality of Payao,[7] while another nine, along with parts of Malangas and Alicia, were constituted into Imelda.[8]

Geography

[edit]

Barangays

[edit]

Siay is politically subdivided into 29 barangays. Each barangay consists of puroks while some have sitios.

  • Bagongsilang
  • Balagon
  • Balingasan
  • Balucanan
  • Bataan (Dacanay)
  • Batu
  • Buyogan
  • Camanga
  • Coloran
  • Kimos (Kima)
  • Labasan
  • Lagting
  • Laih
  • Logpond
  • Magsaysay
  • Mahayahay
  • Maligaya
  • Maniha
  • Minsulao
  • Mirangan
  • Monching
  • Paruk
  • Poblacion
  • Princesa Sumama
  • Salinding
  • San Isidro
  • Sibuguey
  • Siloh
  • Villagracia

Climate

[edit]
Climate data for Siay, Zamboanga Sibugay
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °C (°F) 31
(88)		 31
(88)		 32
(90)		 31
(88)		 30
(86)		 29
(84)		 29
(84)		 29
(84)		 29
(84)		 29
(84)		 30
(86)		 30
(86)		 30
(86)
Mean daily minimum °C (°F) 23
(73)		 23
(73)		 24
(75)		 25
(77)		 25
(77)		 25
(77)		 24
(75)		 24
(75)		 24
(75)		 24
(75)		 24
(75)		 23
(73)		 24
(75)
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[9]

Demographics

[edit]
Population census of Siay
YearPop.±% p.a.
1960 14,088—    
1970 32,922+8.85%
1975 37,816+2.82%
1980 17,004−14.77%
1990 24,689+3.80%
1995 29,303+3.26%
2000 32,844+2.48%
2007 33,902+0.44%
2010 38,229+4.47%
2015 41,572+1.61%
2020 40,585−0.50%
2024 43,233+1.53%
Source: Philippine Statistics Authority[10][11][12][13][14]

Economy

[edit]

Poverty incidence of Siay (%)

10
20
30
40
50
60
2000
58.34
2003
38.61
2006
42.60
2009
48.26
2012
37.76
2015
46.19
2018
33.02
2021
31.52
2023
18.88

Source: Philippine Statistics Authority[15][16][17][18][19][20][21][22][23]

Environment

[edit]

Siay is the location of the Kabug Mangrove Park and Wetlands.[24]

References

[edit]
  1. ↑  Municipality of Siay | (DILG)
  2. ↑ "2015 Census of Population, Report No. 3 – Population, Land Area, and Population Density" (PDF). Philippine Statistics Authority. Quezon City, Philippines. August 2016. ISSN 0117-1453. Archived (PDF) from the original on May 25, 2021. Retrieved July 16, 2021.
  3. ↑ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
  4. ↑ "881 Cities and Municipalities Recorded Poverty Incidence of 20 Percent or Lower in 2023". Philippine Statistics Authority. 6 February 2026. Archived from the original on 3 June 2026. Retrieved 7 February 2026.
  5. ↑ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
  6. ↑ "Executive Order No. 223, s. 1956". Official Gazette (Philippines). Government of the Philippines. December 28, 1956. Retrieved May 1, 2024.
  7. ↑ "Presidential Decree No. 1238". Official Gazette (Philippines). Government of the Philippines. November 11, 1977. Retrieved April 30, 2024.
  8. ↑ "Presidential Decree No. 1239". jur.ph. Jur.ph. November 11, 1977. Retrieved April 30, 2024.
  9. ↑ "Siay: Average Temperatures and Rainfall". Meteoblue. Retrieved 1 May 2020.
  10. ↑ "2024 Census of Population (POPCEN) Population Counts Declared Official by the President". Philippine Statistics Authority. 17 July 2025. Retrieved 18 July 2025.
  11. ↑ Census of Population (2015). "Region IX (Zamboanga Peninsula)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 20 June 2016.
  12. ↑ Census of Population and Housing (2010). "Region IX (Zamboanga Peninsula)" (PDF). Total Population by Province, City, Municipality and Barangay. National Statistics Office. Retrieved 29 June 2016.
  13. ↑ Censuses of Population (1903–2007). "Region IX (Zamboanga Peninsula)". Table 1. Population Enumerated in Various Censuses by Province/Highly Urbanized City: 1903 to 2007. National Statistics Office.
  14. ↑ "Province of". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016.
  15. ↑ "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020.
  16. ↑ "Estimation of Local Poverty in the Philippines" (PDF). Philippine Statistics Authority. 29 November 2005. Archived from the original (PDF) on 3 February 2021. Retrieved 4 August 2012.
  17. ↑ "2003 Small Area Estimates of Poverty (Full Report)" (PDF). Philippine Statistics Authority. 11 March 2009. Archived from the original (PDF) on 21 May 2025. Retrieved 4 August 2012.
  18. ↑ "2006 City and Municipal Level Poverty Estimates". Philippine Statistics Authority. 3 August 2012. Archived from the original on 21 May 2025. Retrieved 4 August 2012.
  19. ↑ "PSA Releases the 2012 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 31 May 2016. Archived from the original on 21 September 2019. Retrieved 1 June 2016.
  20. ↑ "PSA Releases the 2015 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 10 July 2019. Archived from the original on 24 February 2020. Retrieved 11 July 2019.
  21. ↑ "PSA Releases the 2018 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 15 December 2021. Archived from the original on 15 January 2022. Retrieved 16 December 2021.
  22. ↑ "PSA Releases the 2021 City and Municipal Level Poverty Estimates". Philippine Statistics Authority. 2 April 2024. Archived from the original on 3 April 2024. Retrieved 3 April 2024.
  23. ↑ "881 Cities and Municipalities Recorded Poverty Incidence of 20 Percent or Lower in 2023". Philippine Statistics Authority. 6 February 2026. Archived from the original on 3 June 2026. Retrieved 7 February 2026.
  24. ↑ "PBBM: Tourists safety first and overall tourist experience". Philippine Information Agency. February 27, 2025. Retrieved May 11, 2025.
[edit]
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