Irosin | |
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Municipality of Irosin | |
![]() Irosin Beacon with Mount Bulusan in the background | |
![]() Map of Sorsogon with Irosin highlighted | |
Location within the Philippines | |
Coordinates: 12°42′18″N124°01′55″E / 12.705°N 124.0319°E | |
Country | Philippines |
Region | Bicol Region |
Province | Sorsogon |
District | 2nd district |
Barangays | 28 (see Barangays) |
Government | |
• Type | Sangguniang Bayan |
• Mayor | Alfredo J. Cielo Jr. |
• Vice Mayor | Christian D. Lim |
• Representative | Manuel L. Fortes Jr. |
• Municipal Council | Members |
• Electorate | 39,689 voters (2022) |
Area | |
• Total | 149.87 km2 (57.87 sq mi) |
Elevation | 168 m (551 ft) |
Highest elevation | 791 m (2,595 ft) |
Lowest elevation | 20 m (70 ft) |
Population (2020 census) [3] | |
• Total | 59,267 |
• Density | 400/km2 (1,000/sq mi) |
• Households | 12,753 |
Economy | |
• Income class | 2nd municipal income class |
• Poverty incidence | 26.41 |
• Revenue | ₱ 312.5 million (2022) |
• Assets | ₱ 609.6 million (2022) |
• Expenditure | ₱ 275.9 million (2022) |
• Liabilities | ₱ 272 million (2022) |
Service provider | |
• Electricity | Sorsogon 1 Electric Cooperative (SORECO 1) |
Time zone | UTC+8 (PST) |
ZIP code | 4707 |
PSGC | |
IDD : area code | +63 (0)56 |
Native languages | Sorsogon language Tagalog |
Website | www |
Irosin, officially the Municipality of Irosin (Southern Sorsoganon : Bungto san Irosin; Waray : Bungto han Irosin, Tagalog : Bayan ng Irosin), is a municipality in the province of Sorsogon, Philippines.
Irosin frequently experienced erosion due to river inundations. On December 24, 1933, massive flooding caused numerous fatalities. To prevent the violent surge of the river from eroding the town's mainland, a concrete river control dike was constructed in 1937 under Mayor Felipe Santiago and Congressman Norberto Roque. [5] [ better source needed ]
On April 10, 1989, Irosin was defended by military and police forces, led by Lieutenant Antonio Dy, against approximately 200 communist rebels of the New People's Army, which resulted in 20 rebel casualties; along with the deaths of three female civilians in the crossfire. [6] Dy later received the "Medalya ng Kagitingan" Award in August for leading his 13 policemen to defend Irosin's municipal hall. [7]
The local tourism industry has significant potential, as ecological tourism is a global trend and the national government aims to develop Bicol as a major tourist hub. Given its variety of natural tourist spots and strategic location, Irosin serves as a convergence area for both foreign and domestic tourists and visitors. [8]
Climate data for Irosin, Sorsogon | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Mean daily maximum °C (°F) | 27 (81) | 28 (82) | 29 (84) | 31 (88) | 31 (88) | 30 (86) | 29 (84) | 29 (84) | 29 (84) | 29 (84) | 29 (84) | 28 (82) | 29 (84) |
Mean daily minimum °C (°F) | 22 (72) | 21 (70) | 22 (72) | 23 (73) | 24 (75) | 25 (77) | 25 (77) | 25 (77) | 25 (77) | 24 (75) | 23 (73) | 23 (73) | 24 (74) |
Average precipitation mm (inches) | 65 (2.6) | 44 (1.7) | 42 (1.7) | 39 (1.5) | 87 (3.4) | 150 (5.9) | 184 (7.2) | 153 (6.0) | 163 (6.4) | 154 (6.1) | 127 (5.0) | 100 (3.9) | 1,308 (51.4) |
Average rainy days | 13.9 | 9.2 | 11.0 | 12.5 | 19.6 | 24.3 | 26.5 | 25.0 | 25.5 | 24.4 | 19.4 | 15.1 | 226.4 |
Source: Meteoblue (modeled/calculated data, not measured locally) [9] |
Irosin is the only landlocked municipality in Sorsogon province.
Irosin is politically subdivided into 28 barangays, each consisting of puroks, and some with sitios.
Year | Pop. | ±% p.a. |
---|---|---|
1903 | 8,644 | — |
1918 | 14,775 | +3.64% |
1939 | 17,017 | +0.68% |
1948 | 19,317 | +1.42% |
1960 | 23,134 | +1.51% |
1970 | 27,953 | +1.91% |
1975 | 30,989 | +2.09% |
1980 | 34,978 | +2.45% |
1990 | 37,887 | +0.80% |
1995 | 41,005 | +1.49% |
2000 | 45,507 | +2.26% |
2007 | 49,968 | +1.30% |
2010 | 51,777 | +1.30% |
2015 | 56,662 | +1.73% |
2020 | 59,267 | +0.89% |
Source: Philippine Statistics Authority [10] [11] [12] [13] |
Poverty incidence of Irosin
10 20 30 40 50 2000 48.63 2003 44.69 2006 33.40 2009 34.18 2012 28.45 2015 37.34 2018 32.64 2021 26.41 Source: Philippine Statistics Authority [14] [15] [16] [17] [18] [19] [20] [21] |
Irosin is home to Veritas College of Irosin and the Irosin Institute of Science and Technology, the latter accredited by the Technical Education and Skills Development Authority (TESDA). [22]