Municipal Profile


In the early days, when the town of Atimonan was frequently raided by Muslim Pirates and the Katipunan were fighting the Spaniards, two cabezas de Barangay in Atimonan decided to look for a place were they could settle peacefully, the two were Mariano Aguilar and Juan Salvador. They traversed the then forested areas and followed a river, downstream flow which ended to a placid bay which white sand and all its glory. There they could see the island of Marinduque and Mindoro on a clear day. The place was naturally endowed with beauty, wild palms, verdant hills, and clear blue water. At low tide, the beach spread far and the shore abonds with clams, shrimps, crabs, fishes and other edible marine resources.The two cabezas and their families settled near the river and they started to clear the nearby forest so they can plant rice, corn, bananas and other crops. They constructed temporary shanties and they envited their relatives in Atimonan to Join them. There, they were free from Muslim Pirates and they can avoid the cruelty of the Spaniards. When the civil government was founded by the Americans, the settlers coordinanated with then officials of Unisan and the place become a part of the Principalia of Unisan.

The number of settlers grow and they named the Place “Agrupasyon ng Agdangan”. After the flow of river on a stare-like bed, they also named the river Agdangan River. The municipal government of Unisan honored and recognized the two Cabeza as the founders of the now called “Municipality of Agdangan”.

When the National Railroad going to Bicol was constructed there was an increase in the rate of population growth. The molave trees were abundant and were used in the railroad tracks. The construction of the railways provided employment to the settlers and business boomed in the community.

The cadastral survey of Unisan which was completed in 1926, included Agdangan as one of its barrios. The first two streets in Agdangan were named after its founder. The two cabezas donated land for schools, church, plaza and cemetery.

During the commonwealth period under President Manuel L. Quezon, the people wanted to separate from Unisan, so they organized the “Samahang Pambayan.” On February 3, 1939, President Quezon signed and issued Executive Order No. 185 which created the Municipality of Agdangan effective April 1, 1939.


Agdangan is a coastal municipality in the province of Quezon.

The municipality has a land area of 31.54 square kilometers or 12.18 square miles which constitutes 0.36% of Quezon’s total area. Its population as determined by the 2020 Census was 12,764. This represented 0.65% of the total population of Quezon province, or 0.08% of the overall population of the CALABARZON region. Based on these figures, the population density is computed at 405 inhabitants per square kilometer or 1,048 inhabitants per square mile.


Geographical Characteristics and location The Municipality of Agdangan is located in an isthmus connecting Bondoc Peninsula to the biggest part of Luzon Islands. It is bounded on the north by Atimonan, on the South and West by Tayabas Bay, and on the East by Unisan Town. It is traversed by the Kalilayan River which flows to Tayabas Bay. The Municipality is approximately 164 kms. Southeast of Manila and 54 kms. from Lucena City. It is accessible to all type of land and water transportation facilities. The municipality is under the Congressional District No. 3 in Bondoc Peninsula Area. The total land area of the municipality is about 3,154 hectares and second smallest (Plaridel, the smallest) in the Province of Quezon, representing 0.36% of the 870,660 hectares total land area of Quezon Province. Its geographical coordinates are 13ْ 52 50 longitude and 121 54’ 20” latitude.


Agdangan, Quezon


Agdangan is politically and administratively subdivided into 12 barangays, two of which are classified as urban barangays and located within the poblacion area, while the other 10 are generally rural barangays located in the outlying areas of the municipality. Agdangan has 12 barangays as shown in the following table.

Demographic profile of barangays

Barangay Population percentage (2020) Population (2020) Population (2015) Change (2015‑2020) Annual Population Growth Rate (2015‑2020)
Binagbag 8.69% 1,109 1,262 -12.12% -2.68%
Kanlurang Maligaya 2.44% 311 345 -9.86% -2.16%
Poblacion II 15.59% 1,990 2,139 -6.97% -1.51%
Salvacion 8.12% 1,037 1,102 -5.90% -1.27%
Poblacion I 12.36% 1,578 1,675 -5.79% -1.25%
Kanlurang Calutan 11.49% 1,467 1,470 -0.20% -0.04%
Dayap 2.69% 343 331 3.63% 0.75%
Silangang Maligaya 6.69% 854 819 4.27% 0.88%
Ibabang Kinagunan 12.26% 1,565 1,496 4.61% 0.95%
Sildora 9.26% 1,182 1,121 5.44% 1.12%
Silangang Calutan 7.66% 978 829 17.97% 3.54%
Ilayang Kinagunan 2.74% 350 262 33.59% 6.29%
Agdangan Total 12,764 12,851 -0.68% -0.14%


The annual regular revenue of Agdangan for the fiscal year of 2016 was 47,284,623.04.

Fiscal Year Annual Regular Income Change
2009 27,219,505.48
2010 29,289,012.14 7.60%
2011 31,526,701.95 7.64%
2012 30,748,485.11 -2.47%
2013 33,769,898.99 9.83%
2014 38,181,742.41 13.06%
2015 43,467,590.11 13.84%
2016 47,284,623.04 8.78%
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 Agdangan in the 2015 Census was 12,849 broken down into 3,171 households or an average of 4.05 members per household.

Census date Household population Number of households Average household size
1990 May 1 8,207 1,774 4.63
1995 Sep 1 9,021 2,093 4.31
2000 May 1 9,946 2,175 4.57
2007 Aug 1 11,161 2,503 4.46
2010 May 1 11,562 2,739 4.22
2015 Aug 1 12,849 3,171 4
Population by age group

According to the 2015 Census, the age group with the highest population in Agdangan is5 to 9, with 1,372 individuals. Conversely, the age group with the lowest population is 80 and over, with 131 individuals.

Historical population

The population of Agdangan grew from 3,898 in 1948 to 12,764 in 2020, an increase of 8,866 people over the course of 72 years. The latest census figures in 2020 denote a negative growth rate of 0.14%, or a decrease of 87 people, from the previous population of 12,851 in 2015.

Census date Population Growth rate
1903 Mar 2
1918 Dec 31
1939 Jan 1
1948 Oct 1 3,898
1960 Feb 15 5,410 2.92%
1970 May 6 7,235 2.88%
1975 May 1 7,163 -0.20%
1980 May 1 7,389 0.62%
1990 May 1 8,207 1.06%
1995 Sep 1 9,025 1.80%
2000 May 1 9,946 2.11%
2007 Aug 1 11,164 1.61%
2010 May 1 11,567 1.30%
2015 Aug 1 12,851 2.02%
2020 May 1 12,764 -0.14%

The total number of registered voters or electorate in Agdangan for the year 2019 was 9,080, broken down into 4,463 males and 4,617 females.


Heavy rains is felt during months of November and December with more than 20 inches of rainfall, and a very pronounced maximum rain period up to January. The months of April is somewhat dry but scattered showers can be felt in the municipality. It was the highest at 15 inches during dry seasons.

Humid tropical climate, intermediate between Type II and Type IV. There is no pronounced period of maximum rainfall, and the relatively short dry periods last for up to about three months. The rainy season starts in June and reaches its peak in October. The average annual rainfall is 3,147 mm, and the mean annual temperature 27.2°C. The hottest month is May, with a mean temperature of 28.9°C, a nd the coldest January, with a mean temperature of 25.4°C. The mean monthly relative hu midity ranges from a low of 78% in April and May to a high of 84% in December and January.The area is unprotected from the northeast monsoon, trade winds or cyclonic storms.

The municipality as with the other municipalities in the province lies 17 degrees North latitude and is not visited frequently by destructive typhoons. Except for some rare cases wherein the typhoon had to change course that the municipality is seldom affected.


The municipality is triangular in shape with slightly rolling hills planted mostly to coconut. In general, it could be considered as hilly with mostly 8 -18% slopes with 1,241.23 or 39.36% of the total land area. The shoreline is lifted with fine white sand with coconut palms as a background of typical beaches. A panoramic view can be seen during sunset.

Susceptibility to erosion is directly proportional to the slope percentage and to the degree of susceptibility.





0 – 3% No apparent erosion 761.97 24.16%
3% – 8% No apparent erosion 402.76 12.77%
8% – 18% Less susceptible to erosion 1,241.23 39.36%
18% – 30% Highly susceptible to erosion 193.20 6.13%
30% – above Highly susceptible to erosion 554.48 17.58%
TOTAL 3,153.63 100.00%

Source: MPDC, Assessor, MAO, Agdangan, Quezon, Slope Map, Bureau of Soils

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