Barangay Calomagon is a barangay in Bulan, Sorsogon, under the jurisdiction of the municipality of Bulan. It had a population of 1,848 as of the 2024 POPCEN.
Under Republic Act 12232, elected barangay officials serve a four-year term. Make sure you are registered and know your polling place before election day.
Primary PHLPost ZIP for Bulan. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Edna Simeon Dela Rosa(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Calomagon · Data updated 2026-05-24
About Barangay Calomagon
Classified as a small barangay, Barangay Calomagon is one of the administrative divisions of Bulan in Sorsogon, Bicol Region, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Calomagon had a population of 1,848. This made it the 23rd largest of 63 barangays in Bulan by population, placing it in the middle tier of the municipality. Residents of Barangay Calomagon accounted for approximately 1.73% of the total population of Bulan, which stood at 106,919 in the same 2024 POPCEN reference period.
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The barangay recorded 1,789 residents in the 2020 Census of Population and Housing and 1,848 residents in the 2024 POPCEN — a net change of +3.3%, consistent with a growing settlement. Barangay Calomagon is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Bulan is a municipality comprising 63 barangays, and serves as the governing unit directly responsible for local services in Barangay Calomagon, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sorsogon, which contains 541 barangays across its component cities and municipalities, Barangay Calomagon ranks 147th by 2024 POPCEN population. Sorsogon is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.
Barangay Calomagon is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.
Compiled from official Philippine Statistics Authority census data and Philippine Standard Geographic Code records. Reviewed and published by the Barangay Directory editorial team. See our methodology for sources, verification process, and update cadence.
Important: Officials shown here reflect the 2023 - 2026 term. Barangay leadership can change due to resignation, succession, or special circumstances. Always verify directly with Bulan or the barangay hall before relying on this information for any official transaction, legal matter, or formal communication. The next Barangay and SK Elections are scheduled for Monday, November 2, 2026.
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Population history of Barangay Calomagon from official Philippine Statistics Authority census releases.
Census
Population
Change
% change
2015 Census
1,679
—
—
2020 CPH
1,789
+110
+6.6%
2024 POPCEN
1,848
+59
+3.3%
2015–2020: +6.6% total (+1.28%/yr).2020–2024: +3.3% total (+0.81%/yr).
Source: PSA Census of Population (2015), Census of Population and Housing (2020), and POPCEN (2024) as published by the Philippine Statistics Authority. Figures are official as declared by Proclamation.
Comparative Context
2024 POPCEN
Rank in Bulan
23rdof 63
Among the upper half of Bulan by population.
Share of Bulan
1.7%
of the municipality's total 106,919 residents.
Rank in Sorsogon
147thof 541
Province-wide percentile: 73.
PSA Classification
Rural
Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Bulan (municipality) class
1st
Parent municipality income class — influences LGU services and budget that reach this barangay.
Rankings derived from the most recent PSA population data for each barangay. Classifications sourced from the Philippine Statistics Authority and Bureau of Local Government Finance.
These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay Calomagon in Bulan during office hours to request any of the following.
Services listed are based on Republic Act 7160 (Local Government Code of 1991). Specific requirements and fees vary by barangay. Always call the hall before visiting to confirm requirements and availability.
🆘Emergency Hotlines
Verified April 2026. In a life-threatening emergency, dial 911 first.
24/7 helpline for children in crisis, abuse, and trafficking cases.
Notice a hotline change? Report it so we can update this page.
Frequently Asked Questions about Barangay Calomagon
Where is Barangay Calomagon located?▾
Barangay Calomagon is a barangay in the municipality of Bulan, Sorsogon, Bicol Region, Philippines.
What is the address of the Barangay Calomagon hall?▾
Barangay Calomagon is located in Bulan, Sorsogon, Bicol Region, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Calomagon?▾
The Punong Barangay of Barangay Calomagon is Edna Simeon Dela Rosa (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Calomagon?▾
Verified contact information for Barangay Calomagon is being collected. You can reach the local barangay hall in person or check the official Bulan LGU website. Submit verified information using the form on this page.
What municipality is Barangay Calomagon part of?▾
Barangay Calomagon is one of 63 barangays in the municipality of Bulan, Sorsogon, Philippines.
Is Barangay Calomagon urban or rural?▾
Barangay Calomagon is officially classified as rural by the Philippine Statistics Authority. Rural classification is applied to barangays with lower population density and predominantly non-built-up land use — often agricultural, coastal, or upland areas with more dispersed housing.
What is the income classification of Bulan?▾
Bulan is classified as a 1st by the Bureau of Local Government Finance. This classification is based on the municipality's annual regular income and broadly indicates the size of the local government's budget for services like health, sanitation, peace and order, and infrastructure that reach barangays such as Barangay Calomagon.
Has the population of Barangay Calomagon been growing or shrinking?▾
Between the 2020 and 2024 censuses, Barangay Calomagon went from 1,789 residents to 1,848 — a change of +3.3% over the intercensal period. The barangay is slowly growing based on figures published by the Philippine Statistics Authority in the 2024 POPCEN.
What region of the Philippines is Barangay Calomagon in?▾
Barangay Calomagon is part of the Bicol Region administrative region of the Philippines. Within Bicol Region, the barangay falls under the province of Sorsogon, and is one of 63 barangays administered by Bulan.
How many barangays are in Bulan?▾
Bulan has 63 barangays, including Barangay Calomagon. You can browse the full list on our Bulan page.
How many residents does Barangay Calomagon have?▾
Barangay Calomagon had a population of 1,848 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Calomagon?▾
The primary PHLPost ZIP code for Bulan is 4706. In most Philippine municipalities, this same ZIP applies to every barangay in the city. However, in NCR cities (Manila, Quezon City, Makati, etc.) and a few large cities like Cebu City, Davao City, and Baguio, each barangay may have its own ZIP code. For the most accurate ZIP for Barangay Calomagon, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Calomagon was last updated on 2026-05-24. Barangay leadership, contact information, and hours can change — always verify directly with the barangay hall before relying on this information for any official transaction.
Looking for general barangay-services questions — barangay clearance, cedula, BSKE 2026, or emergency hotlines? See our barangay services guides.
Helpful Guides for Residents of Barangay Calomagon
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-24.
