Tiwi, Province of Albay

Summary data
Typemunicipality
Island groupLuzon
RegionBicol Region (Region V)
ProvinceAlbay
Barangay count25
Postal code4513
Coastal/Landlockedcoastal
Marine waterbodiesLagonoy Gulf [Philippine Sea]
Philippine major island(s)Luzon
Area (2007)105.76 km2 (40.83 sq mi)
Population (2015)53,120
Density (2015)502 / km2 (1,301 / sq mi)
Coordinates13° 27' North, 123° 41' East (13.4569, 123.6796)
Estimated elevation above sea level10.0 meters (32.9 feet)

Tiwi is a coastal municipality in the province of Albay.

The municipality has a land area of 105.76 square kilometers or 40.83 square miles which constitutes 4.11% of Albay's total area. Its population as determined by the 2015 Census was 53,120. This represented 4.04% of the total population of Albay province, or 0.92% of the overall population of the Bicol Region. Based on these figures, the population density is computed at 502 inhabitants per square kilometer or 1,301 inhabitants per square mile.

Barangays

Tiwi has 25 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)
Bagumbayan4.36%2,3152,1487.77%1.44%
Bariis2.06%1,09292118.57%3.30%
Baybay4.26%2,2652,2072.63%0.50%
Belen2.65%1,4061,27310.45%1.91%
Biyong3.16%1,6801,5438.88%1.63%
Bolo2.27%1,2051,1732.73%0.51%
Cale10.46%5,5575,2455.95%1.11%
Cararayan3.79%2,0122,0110.05%0.01%
Coro‑coro3.29%1,7471,58710.08%1.85%
Dap‑dap1.68%89176516.47%2.95%
Gajo2.89%1,5361,4893.16%0.59%
Joroan5.16%2,7412,6672.77%0.52%
Libjo5.53%2,9362,62411.89%2.16%
Libtong4.34%2,3042,2532.26%0.43%
Matalibong2.63%1,3971,2908.29%1.53%
Maynonong1.55%82467422.26%3.90%
Mayong3.07%1,6321,660-1.69%-0.32%
Misibis4.13%2,1922,0646.20%1.15%
Naga8.71%4,6294,6140.33%0.06%
Nagas6.04%3,2062,9259.61%1.76%
Oyama2.43%1,2891,2086.71%1.24%
Putsan2.32%1,2341,1864.05%0.76%
San Bernardo3.31%1,7591,53014.97%2.69%
Sogod3.96%2,1031,9935.52%1.03%
Tigbi5.96%3,1683,1131.77%0.33%
Tiwi Total53,12050,1635.89%1.10%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Tiwi for the fiscal year of 2016 was 146,183,196.85.

details
Fiscal YearAnnual Regular IncomeChange
200987,347,651.73
201092,104,592.945.45%
2011128,332,968.5539.33%
2012108,373,931.23-15.55%
2013105,628,323.46-2.53%
2014121,149,808.7014.69%
2015141,528,034.2716.82%
2016146,183,196.853.29%

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 Tiwi is 10 to 14, with 6,533 individuals. Conversely, the age group with the lowest population is 75 to 79, with 454 individuals.

details
Age groupPopulation (2015)
Under 11,118
1 to 44,797
5 to 96,284
10 to 146,533
15 to 195,937
20 to 244,430
25 to 293,761
30 to 343,469
35 to 393,223
40 to 442,673
45 to 492,529
50 to 542,264
55 to 591,824
60 to 641,532
65 to 691,135
70 to 74699
75 to 79454
80 and over458
Total53,120

Historical population

The population of Tiwi grew from 17,691 in 1960 to 53,120 in 2015, an increase of 35,429 people. The latest census figures in 2015 denote a positive growth rate of 1.10%, or an increase of 2,957 people, from the previous population of 50,163 in 2010.

details
Census datePopulationGrowth rate
17,691
22,0372.17%
24,3502.02%
28,7263.36%
34,6581.90%
39,7332.59%
44,2612.34%
49,1851.47%
50,1630.72%
53,1201.10%

Location

The municipal center of Tiwi is situated at approximately 13° 27' North, 123° 41' East, in the island of Luzon. Elevation at these coordinates is estimated at 10.0 meters or 32.9 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 Tiwi are Tabaco, Ligao, Iriga, Legazpi, Naga, and Sorsogon City. The nearest municipalities are Malinao, Malilipot, Buhi, Bacacay, Sagñay, and Santo Domingo. Its distance from the national capital is 317.45 kilometers (197.26 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 317.45 kilometers (197.26 miles) to the West‑Northwest (N66°W)

National rankings

  • Population (2015): 53,120, ranked 491 out of 1,634
  • Land area (2007): 40.83 square kilometers, ranked 1,002 out of 1,634
  • Population density (2015): 502 inhabitants per square kilometer, ranked 380 out of 1,634
  • Annual population growth rate (2010 to 2015): 1.10%, ranked 1,234 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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