Bulan, Province of Sorsogon

Summary data
Typemunicipality
Island groupLuzon
RegionBicol Region (Region V)
ProvinceSorsogon
Barangay count63
Postal code4706
Coastal/Landlockedcoastal
Marine waterbodiesTicao Pass
Philippine major island(s)Luzon
Area (2013)196.96 km2 (76.05 sq mi)
Population (2020)105,190
Density (2020)534 / km2 (1,383 / sq mi)
Coordinates12° 40' North, 123° 53' East (12.6677, 123.8775)
Estimated elevation above sea level3.8 meters (12.4 feet)

Bulan is a coastal municipality in the province of Sorsogon.

The municipality has a land area of 196.96 square kilometers or 76.05 square miles which constitutes 9.29% of Sorsogon's total area. Its population as determined by the 2020 Census was 105,190. This represented 12.69% of the total population of Sorsogon province, or 1.73% of the overall population of the Bicol Region. Based on these figures, the population density is computed at 534 inhabitants per square kilometer or 1,383 inhabitants per square mile.

Barangays

Bulan has 63 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Bulan
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
A. Bonifacio0.51%53647512.84%2.58%
Abad Santos0.98%1,0341,0102.38%0.50%
Aguinaldo1.06%1,1141,0337.84%1.60%
Antipolo0.32%339371-8.63%-1.88%
Beguin1.73%1,8231,7394.83%1.00%
Benigno S. Aquino3.38%3,5603,3865.14%1.06%
Bical0.64%6736631.51%0.32%
Bonga0.64%67561310.11%2.05%
Butag2.91%3,0622,9214.83%1.00%
Cadandanan0.75%792809-2.10%-0.45%
Calomagon1.70%1,7891,6796.55%1.34%
Calpi0.81%856918-6.75%-1.46%
Cocok-Cabitan0.29%300309-2.91%-0.62%
Daganas0.40%4233918.18%1.67%
Danao0.97%1,0191,073-5.03%-1.08%
Dolos0.58%60950021.80%4.24%
E. Quirino0.59%6195934.38%0.91%
Fabrica2.58%2,7172,33916.16%3.20%
G. del Pilar1.81%1,9071,70411.91%2.40%
Gate1.85%1,9431,9400.15%0.03%
Inararan2.18%2,2951,94018.30%3.60%
J. Gerona0.87%920960-4.17%-0.89%
J. P. Laurel3.96%4,1623,49419.12%3.75%
Jamorawon0.83%8698601.05%0.22%
Lajong3.46%3,6393,16614.94%2.97%
Libertad0.77%8127804.10%0.85%
M. Roxas1.20%1,2611,02722.78%4.42%
Magsaysay1.12%1,1831,1601.98%0.41%
Managanaga3.18%3,3473,0868.46%1.72%
Marinab1.33%1,3981,3503.56%0.74%
Montecalvario1.10%1,1561,1450.96%0.20%
N. Roque1.22%1,2811,1689.67%1.96%
Namo1.88%1,9821,77111.91%2.40%
Nasuje1.45%1,5281,27819.56%3.83%
Obrero2.78%2,9272,6918.77%1.79%
Osmeña0.67%70961215.85%3.15%
Otavi3.28%3,4523,1698.93%1.82%
Padre Diaz0.49%5145081.18%0.25%
Palale0.55%574604-4.97%-1.07%
Quezon1.91%2,0082,091-3.97%-0.85%
R. Gerona0.71%7466957.34%1.50%
Recto0.35%367401-8.48%-1.85%
Sagrada0.57%6025676.17%1.27%
San Francisco2.73%2,8692,910-1.41%-0.30%
San Isidro3.00%3,1523,258-3.25%-0.69%
San Juan Bag-o1.60%1,6881,5598.27%1.69%
San Juan Daan1.10%1,1551,0905.96%1.23%
San Rafael1.89%1,9881,8477.63%1.56%
San Ramon1.41%1,4841,3847.23%1.48%
San Vicente5.05%5,3094,8988.39%1.71%
Santa Remedios1.66%1,7471,44720.73%4.05%
Santa Teresita1.25%1,3181,19510.29%2.08%
Sigad0.77%8138060.87%0.18%
Somagongsong1.39%1,4641,29413.14%2.63%
Taromata1.46%1,5371,4416.66%1.37%
Zone I Poblacion0.64%6686483.09%0.64%
Zone II Poblacion5.55%5,8346,129-4.81%-1.03%
Zone III Poblacion0.57%604646-6.50%-1.41%
Zone IV Poblacion1.24%1,3081,444-9.42%-2.06%
Zone V Poblacion1.39%1,4651,706-14.13%-3.15%
Zone VI Poblacion0.93%9741,025-4.98%-1.07%
Zone VII Poblacion3.91%4,1084,133-0.60%-0.13%
Zone VIII Poblacion2.08%2,1832,227-1.98%-0.42%
Bulan Total105,190100,0765.11%1.05%

Economy

The annual regular revenue of Bulan for the fiscal year of 2016 was ₱205,056,866.18.

details
Annual regular income of Bulan (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009112,758,892.40–
2010121,784,263.818.00%
2011132,253,420.968.60%
2012134,453,650.801.66%
2013148,116,194.5810.16%
2014168,541,238.8613.79%
2015184,486,980.269.46%
2016205,056,866.1811.15%

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

Households

The household population of Bulan in the 2015 Census was 99,841 broken down into 20,798 households or an average of 4.80 members per household.

details
Number of households in Bulan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
66,42212,1515.47
74,19814,2655.20
82,67115,6835.27
91,71718,2915.01
93,89319,5824.79
99,84120,7984.80

Population by age group

According to the 2015 Census, the age group with the highest population in Bulan is 10 to 14, with 12,271 individuals. Conversely, the age group with the lowest population is 80 and over, with 752 individuals.

details
Population of Bulan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 12,1042.10%
1 to 49,2909.28%
5 to 911,83111.82%
10 to 1412,27112.26%
15 to 1911,32311.31%
20 to 248,7898.78%
25 to 296,6026.60%
30 to 346,1136.11%
35 to 396,0436.04%
40 to 445,4665.46%
45 to 495,1235.12%
50 to 544,1664.16%
55 to 593,3773.37%
60 to 642,5362.53%
65 to 691,9761.97%
70 to 741,4041.40%
75 to 799100.91%
80 and over7520.75%
Total100,076100.00%
  • Youth Dependency Ratio: 59.62
  • Old Age Dependency Ratio: 8.47
  • Total Dependency Ratio: 68.09
  • Median Age: 21.83

Historical population

The population of Bulan grew from 13,431 in 1903 to 105,190 in 2020, an increase of 91,759 people over the course of 117 years. The latest census figures in 2020 denote a positive growth rate of 1.05%, or an increase of 5,114 people, from the previous population of 100,076 in 2015.

details
Population of Bulan (1903‑2020)
Census datePopulationGrowth rate
13,431–
19,2682.31%
29,4142.14%
37,2312.45%
46,5201.98%
54,1801.50%
56,0130.67%
60,9111.69%
66,4500.87%
74,2192.09%
82,6882.34%
91,7301.44%
93,9430.87%
100,0761.21%
105,1901.05%

The total number of registered voters or electorate in Bulan for the year 2019 was 59,913, broken down into 29,149 males and 30,764 females.

Location

The municipal center of Bulan is situated at approximately 12° 40' North, 123° 53' East, in the island of Luzon. Elevation at these coordinates is estimated at 3.8 meters or 12.4 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 Bulan are Sorsogon City, Sorsogon, Masbate City, Masbate, Legazpi, Albay, Ligao, Albay, Tabaco, Albay, and Iriga, Camarines Sur. The nearest municipalities are Irosin, Sorsogon, Magallanes, Sorsogon, San Jacinto, Masbate, Juban, Sorsogon, Monreal, Masbate, and San Fernando, Masbate. Its distance from the national capital is 378.88 kilometers (235.43 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

  • Sorsogon City, Sorsogon, 36.27 kilometers (22.54 miles) to the North‑Northeast (N22°E)
  • Masbate City, Masbate, 43.28 kilometers (26.89 miles) to the Southwest (S40°W)
  • Legazpi, Albay, 54.39 kilometers (33.79 miles) to the North‑Northwest (N16°W)
  • Ligao, Albay, 73.39 kilometers (45.60 miles) to the North‑Northwest (N30°W)
  • Tabaco, Albay, 78.16 kilometers (48.57 miles) to the North‑Northwest (N12°W)
  • Iriga, Camarines Sur, 97.50 kilometers (60.59 miles) to the North‑Northwest (N31°W)

Distance from Manila: 378.88 kilometers (235.43 miles) to the Northwest (N55°W)

Notes

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