Tilmubo/Tilmobo Island (Cebuano: Pulo sa Tilmubo; Filipino: Pulo ng Tilmubo) is an islet and barangay located in the President Carlos P. Garcia municipality,[11] in the province of Bohol, Philippines. It is situated in the Canigao Channel within the Bohol Sea. (also referred to as the Mindanao Sea) According to the 2020 census, it has a population of 221 people.[12][11]
History
Precolonial era
Before the colonial era of the Philippines, Tilmubo Island was inhabited by Austronesian groups. Those groups were organized into barangays led by local chiefs.[13] Extensive maritime trade networks and animistic beliefs were practiced by the early inhabitants.[14]
Political evolution
For most of the 20th century, Tilmubo Island was under the administrative jurisdiction of the municipality of Ubay.[15] The island was incorporated into the newly established municipality of Pitogo on June 21, 1969 through Republic Act No. 5864.[15][16] The municipality was later renamed President Carlos P. Garcia in 1977 to honor the eighth president of the Philippines.[17][18][11]
Geography
Location
Tilmubo Island is a small islet situated in the Central Visayas.[11] It is located in the Canigao Channel. To the south, the Bohol Sea borders the island. Tilmubo Island is part of the municipality of President Carlos P. Garcia.[11]
Physical features

The island’s land area is approximately 0.24 square kilometers, and features terrain consisting primarily of coralline limestone.[19] The maximum elevation of Tilmubo Island reaches 79 meters (259 feet) above sea level.[20][21] Clear tropical waters, coral reefs, and seagrass beds characterize the coast line.[19]
Climate
The climate of Tilmubo Island is tropical maritime.[22] Throughout the year, there is rainfall distribution, and high humidity levels.[22]
| Climate data for Tilmubo Island, President Carlos P. Garcia, Bohol | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 28 (82) |
28 (82) |
29 (84) |
31 (88) |
31 (88) |
30 (86) |
30 (86) |
30 (86) |
30 (86) |
29 (84) |
29 (84) |
28 (82) |
29 (85) |
| Mean daily minimum °C (°F) | 23 (73) |
23 (73) |
23 (73) |
23 (73) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
24 (75) |
23 (73) |
24 (74) |
| Average precipitation mm (inches) | 98 (3.9) |
82 (3.2) |
96 (3.8) |
71 (2.8) |
104 (4.1) |
129 (5.1) |
101 (4.0) |
94 (3.7) |
99 (3.9) |
135 (5.3) |
174 (6.9) |
143 (5.6) |
1,326 (52.3) |
| Average precipitation days (≥ 1.0) | 18.0 | 14.1 | 17.1 | 16.8 | 23.7 | 25.7 | 25.8 | 23.3 | 24.2 | 25.9 | 24.0 | 20.6 | 259.2 |
| Source: Meteoblue[23] | |||||||||||||
Demographics
| Year | Pop. | ±% |
|---|---|---|
| 1990 | 348 | — |
| 1995 | 249 | −28.4% |
| 2000 | 266 | +6.8% |
| 2007 | 259 | −2.6% |
| 2010 | 197 | −23.9% |
| 2015 | 202 | +2.5% |
| 2020 | 221 | +9.4% |
| Source: Philippine Statistics Authority[24] | ||
Economy
Education
Tilmobo Elementary School (DepEd School ID: 118605) is the sole educational facility on Tilmubo Island. The institution is under the jurisdiction of the Department of Education Schools Division of Bohol. Primary education is provided by the school for the residents of the island. Since secondary education is not provided on the island, students must travel to the mainland of the municipality of President Carlos P. Garcia to attend other schools.[26]
Elementary schools:[26]
- Tilmobo Elementary School
See also
References
- ^ “Municipality of President Carlos P. Garcia Profile”. Official Website of the Provincial Government of Bohol. Retrieved February 23, 2026.
- ^ “Barangay Tilmobo Profile”. Philippine Statistics Authority. Retrieved February 23, 2026.
- ^ “City and Municipal Poverty Estimates”. Philippine Statistics Authority. Retrieved February 26, 2026.
- ^ Department of Budget and Management. “CY 2010 Internal Revenue Allotment for Barangays: Region VII – Bohol” (PDF). dbm.gov.ph. Government of the Philippines. Retrieved March 8, 2026.
- ^ “Our Mission and Franchise Area”. Bohol II Electric Cooperative (BOHECO II). Retrieved February 26, 2026.
- ^ “Missionary Electrification in Bohol Islands”. National Power Corporation (NPC). Retrieved February 26, 2026.
- ^ “Philippine Standard Time”. Official Gazette of the Republic of the Philippines. Retrieved February 26, 2026.
- ^ “Tilmobo, Bohol – ZIP Code – 6346”. Philippines ZIP Code. Retrieved February 26, 2026.
- ^ “Philippine Standard Geographic Code (PSGC)”. Philippine Statistics Authority. Retrieved February 26, 2026.
- ^ “PSGC Summary: Barangay Tilmobo, President Carlos P. Garcia (Pitogo), Bohol”. psa.gov.ph. Philippine Statistics Authority. Retrieved March 7, 2026.
- ^ a b c d e brgy.to. “Barangay Tilmobo, President Carlos P. Garcia, Bohol”. brgy.to Portal. Retrieved March 7, 2026.
- ^ “PSGC Summary: Barangay Tilmobo, President Carlos P. Garcia (Pitogo), Bohol”. Philippine Statistics Authority. Retrieved March 7, 2026.
- ^ Scott, William Henry (1994). Barangay: Sixteenth-Century Philippine Culture and Society. Quezon City: Ateneo de Manila University Press (published January 1, 1994). pp. 5–6. ISBN 978-9715501354.
- ^ Jocano, F. Landa (1968). “Notes on Philippine Divinities” (PDF). Asian Studies. 6 (2): 169–182.
- ^ a b “Pres. Carlos P. Garcia”. Provincial Government of Bohol. Retrieved March 7, 2026.
- ^ “Republic Act No. 5864”. lawphil.net. Retrieved March 7, 2026.
- ^ “Presidential Decree No. 1228, s. 1977 | GOVPH”. Official Gazette of the Republic of the Philippines. Archived from the original on August 13, 2023. Retrieved February 24, 2026.
- ^ “P.D. No. 1228”. lawphil.net. Retrieved March 7, 2026.
- ^ a b “Bohol Island UNESCO Global Geopark”. UNESCO. May 24, 2023. Retrieved March 7, 2026.
- ^ “GeoNames.org”. www.geonames.org. Retrieved March 7, 2026.
- ^ “Bohol topographic map, elevation, terrain”. Topographic maps. Retrieved March 7, 2026.
- ^ a b “PAGASA”. www.pagasa.dost.gov.ph. Retrieved March 7, 2026.
- ^ “Weather Tilmubo Island”. Meteoblue. Retrieved March 7, 2026.
- ^ “2020 Census of Population and Housing”. Philippine Statistics Authority. Retrieved March 7, 2026.
- ^ “2021 City and Municipal Level Poverty Estimates”. Philippine Statistics Authority. Retrieved March 7, 2026.
- ^ a b Division Memorandum No. 0772, s. 2022: List of Public Elementary and Secondary Schools (PDF). Schools Division of Bohol. November 21, 2022. Retrieved March 29, 2026.
