Siay
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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.
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
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.
Siay had its territory reduced in November 1977 with the detachment of twenty-two barangays; thirteen were organized into the new municipality of Payao, while another nine, along with parts of Malangas and Alicia, were constituted into Imelda.
Geography
Barangays
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
| 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 |
Demographics
| Year | Pop. | ±% 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 |
Economy
Poverty incidence of Siay
Source: Philippine Statistics Authority
Environment
Siay is the location of the Kabug Mangrove Park and Wetlands.