Oas, Province of Albay

Summary data
Typemunicipality
Island groupLuzon
RegionBicol Region (Region V)
ProvinceAlbay
Barangay count53
Postal code4504
Coastal/Landlockedcoastal
Marine waterbodiesBurias Pass
Philippine major island(s)Luzon
Area (2007)263.61 km2 (101.78 sq mi)
Population (2015)67,960
Density (2015)258 / km2 (668 / sq mi)
Coordinates13° 15' North, 123° 30' East (13.2575, 123.5002)
Estimated elevation above sea level34.8 meters (114.1 feet)

Oas is a coastal municipality in the province of Albay.

The municipality has a land area of 263.61 square kilometers or 101.78 square miles which constitutes 10.23% of Albay's total area. Its population as determined by the 2015 Census was 67,960. This represented 5.17% of the total population of Albay province, or 1.17% of the overall population of the Bicol Region. Based on these figures, the population density is computed at 258 inhabitants per square kilometer or 668 inhabitants per square mile.

Barangays

Oas has 53 barangays as shown in the following table.

Demographic profile of barangays
BarangayPopulation percentage (2015)Population (2015)Population (2010)Change (2010‑2015)Annual Population Growth Rate (2010‑2015)
Badbad0.89%6025833.26%0.61%
Badian3.94%2,6812,34814.18%2.56%
Bagsa1.27%86276412.83%2.32%
Bagumbayan1.29%8791,018-13.65%-2.76%
Balogo6.23%4,2363,8978.70%1.60%
Banao0.69%470562-16.37%-3.35%
Bangiawon1.34%91078515.92%2.85%
Bogtong0.54%3673514.56%0.85%
Bongoran2.67%1,8161,7414.31%0.81%
Busac3.06%2,0791,9397.22%1.34%
Cadawag0.71%48542713.58%2.45%
Cagmanaba4.86%3,3053,0398.75%1.61%
Calaguimit1.28%8678650.23%0.04%
Calpi1.96%1,3351,2249.07%1.67%
Calzada1.34%9111,029-11.47%-2.29%
Camagong1.72%1,1671,1461.83%0.35%
Casinagan0.91%61753016.42%2.94%
Centro Poblacion0.33%225277-18.77%-3.88%
Coliat1.06%7237170.84%0.16%
Del Rosario1.08%73362417.47%3.11%
Gumabao1.17%793865-8.32%-1.64%
Ilaor Norte2.20%1,4951,525-1.97%-0.38%
Ilaor Sur3.24%2,2022,275-3.21%-0.62%
Iraya Norte2.92%1,9821,9093.82%0.72%
Iraya Sur1.14%7747118.86%1.63%
Manga3.42%2,3222,1468.20%1.51%
Maporong1.74%1,1841,1076.96%1.29%
Maramba4.86%3,3013,1146.01%1.12%
Matambo0.72%48943512.41%2.25%
Mayag0.67%452507-10.85%-2.16%
Mayao2.38%1,6181,5146.87%1.27%
Moroponros0.53%35728326.15%4.52%
Nagas2.40%1,6311,665-2.04%-0.39%
Obaliw‑Rinas2.21%1,5041,4017.35%1.36%
Pistola1.67%1,1351,1013.09%0.58%
Ramay1.08%7347241.38%0.26%
Rizal1.27%864892-3.14%-0.61%
Saban2.81%1,9081,8751.76%0.33%
San Agustin1.89%1,2851,2403.63%0.68%
San Antonio1.38%9399380.11%0.02%
San Isidro2.25%1,5291,4009.21%1.69%
San Jose1.09%744759-1.98%-0.38%
San Juan2.21%1,5031,3908.13%1.50%
San Miguel1.14%772792-2.53%-0.49%
San Pascual1.24%84174313.19%2.39%
San Ramon2.52%1,7101,6573.20%0.60%
San Vicente1.38%9381,046-10.33%-2.05%
Tablon1.38%9409034.10%0.77%
Talisay1.15%77969312.41%2.25%
Talongog1.75%1,1921,1444.20%0.79%
Tapel2.67%1,8131,37132.24%5.46%
Tobgon2.42%1,6481,5178.64%1.59%
Tobog1.93%1,3121,2772.74%0.52%
Oas Total67,96064,7854.90%0.92%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Oas for the fiscal year of 2016 was 153,032,324.79.

details
Fiscal YearAnnual Regular IncomeChange
200986,593,890.71
201093,274,687.187.72%
2011101,493,274.088.81%
201298,185,895.16-3.26%
2013107,813,089.329.81%
2014122,698,495.0213.81%
2015140,932,377.7214.86%
2016153,032,324.798.59%

End notes:

  • Annual Regular Income = Locally Sourced Revenue + Internal Revenue Allotment (IRA) Current Year + Other Shares from National Tax Collection
  • Locally Sourced Revenue = Real Property Tax (General Fund) + Tax on Business + Other Taxes + Regulatory Fees + Service/User Charges + Receipts from Economic Enterprises

Demographics

Population by age group

According to the 2015 Census, the age group with the highest population in Oas is 10 to 14, with 8,371 individuals. Conversely, the age group with the lowest population is 80 and over, with 670 individuals.

details
Age groupPopulation (2015)
Under 11,452
1 to 46,184
5 to 98,128
10 to 148,371
15 to 197,544
20 to 245,871
25 to 294,614
30 to 343,918
35 to 393,821
40 to 443,402
45 to 493,461
50 to 542,891
55 to 592,360
60 to 641,974
65 to 691,476
70 to 741,085
75 to 79738
80 and over670
Total67,960

Historical population

The population of Oas grew from 36,095 in 1960 to 67,960 in 2015, an increase of 31,865 people. The latest census figures in 2015 denote a positive growth rate of 0.92%, or an increase of 3,175 people, from the previous population of 64,785 in 2010.

details
Census datePopulationGrowth rate
36,095
47,9522.82%
50,2930.96%
52,2690.77%
53,0610.15%
56,5361.20%
62,0632.02%
63,8880.40%
64,7850.51%
67,9600.92%

Location

The municipal center of Oas is situated at approximately 13° 15' North, 123° 30' East, in the island of Luzon. Elevation at these coordinates is estimated at 34.8 meters or 114.1 feet above mean sea level.


Distances

Based on the great-circle distance (the shortest distance between two points over the surface of the Earth), the cities closest to Oas are Ligao, Iriga, Tabaco, Legazpi, Naga, and Sorsogon City. The nearest municipalities are Polangui, Libon, Guinobatan, Bato, Camalig, and Buhi. Its distance from the national capital is 309.73 kilometers (192.46 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

  • Ligao, Albay, 4.41 kilometers (2.74 miles) to the East‑Southeast (S66°E)
  • Iriga, Camarines Sur, 20.53 kilometers (12.76 miles) to the North‑Northwest (N27°W)
  • Tabaco, Albay, 27.30 kilometers (16.97 miles) to the East‑Northeast (N66°E)
  • Legazpi, Albay, 28.57 kilometers (17.75 miles) to the East‑Southeast (S63°E)
  • Naga, Camarines Sur, 53.00 kilometers (32.93 miles) to the Northwest (N40°W)
  • Sorsogon City, Sorsogon, 63.29 kilometers (39.33 miles) to the East‑Southeast (S60°E)

Distance from Manila: 309.73 kilometers (192.46 miles) to the West‑Northwest (N61°W)

National rankings

  • Population (2015): 67,960, ranked 332 out of 1,634
  • Land area (2007): 101.78 square kilometers, ranked 388 out of 1,634
  • Population density (2015): 258 inhabitants per square kilometer, ranked 797 out of 1,634
  • Annual population growth rate (2010 to 2015): 0.92%, ranked 700 out of 1,634

Notes

  1. Unless otherwise specified, population count (excluding percentages) and land area figures are derived from the Philippine Statistics Authority.
  2. Data on annual regular income is from the Bureau of Local Government Finance, Department of Finance
  3. Postal code information is from the Philippine Postal Corporation.
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