Barangay Bachao Ilaya is a barangay in Gasan, Marinduque, in the MIMAROPA (Region IV-B) of the Philippines. Registered under PSGC code 1704003004 with ZIP code 4905, it had a 2020 Census population of 954. That makes it the 18th most populous of Gasan's 25 barangays (2.7% of the municipal total of 35,315). It sits at about 30.3 m above sea level at coordinates 13.307, 121.8721.
Overview
Barangay Bachao Ilaya is a local community situated within Gasan, Marinduque. Serving as the primary administrative building block of local governance, it connects local residents directly to municipal public services, community development, and regional infrastructure networks.
Demographics & Population Trends
Insights into growth, age distributions, and household composition.
Historical Population Growth
Barangay Bachao Ilaya is tracked across every census round conducted by the Philippine Statistics Authority. The table and bar chart below trace its recorded population from 1990 to 2020, together with the annualized growth rate and net population change between counts. Read side by side, they show whether Bachao Ilaya is expanding, contracting, or holding steady within Gasan, a signal that informs housing demand, school-age population, and the delivery of local public services.
| Census Date | Population | Growth | Net |
|---|---|---|---|
| 1990 May 1 | 894 | — | — |
| 1995 Sep 1 | 860 | -0.72% | -34 |
| 2000 May 1 | 925 | +1.57% | 65 |
| 2007 Aug 1 | 916 | -0.13% | -9 |
| 2010 May 1 | 1,027 | +4.25% | 111 |
| 2015 Aug 1 | 1,036 | +0.17% | 9 |
| 2020 May 1 | 954 | -1.72% | -82 |
Age Distribution (2015 Census)
The age profile of Barangay Bachao Ilaya is drawn from the 2015 Census and grouped into five-year age bands. The table and bar chart below show how residents split across the young dependent population, the working-age population, and older residents, the balance that drives the local dependency ratio and median age. A community weighted toward working-age adults points to a wider labor force, while a broad base of children signals future demand for schools, health centers, and youth programs in Gasan.
| Age Group | Population | Share |
|---|---|---|
| Under 1 | 18 | 1.74% |
| 1 to 4 | 104 | 10.04% |
| 5 to 9 | 125 | 12.07% |
| 10 to 14 | 115 | 11.1% |
| 15 to 19 | 108 | 10.42% |
| 20 to 24 | 88 | 8.49% |
| 25 to 29 | 78 | 7.53% |
| 30 to 34 | 59 | 5.69% |
| 35 to 39 | 53 | 5.12% |
| 40 to 44 | 57 | 5.5% |
| 45 to 49 | 52 | 5.02% |
| 50 to 54 | 46 | 4.44% |
| 55 to 59 | 43 | 4.15% |
| 60 to 64 | 33 | 3.19% |
| 65 to 69 | 21 | 2.03% |
| 70 to 74 | 18 | 1.74% |
| 75 to 79 | 9 | 0.87% |
| 80 and over | 9 | 0.87% |
Young population (0-14) · 34.94%
Working-age population (15-64) · 59.56%
Older population (65+) · 5.5%
Household Trends
Household formation in Barangay Bachao Ilaya is measured each census through the number of households and the average household size. The table and bar chart below plot how the household count has moved across the years. A rising number of households alongside a falling average size usually reflects smaller family units and new home formation, while a steady average size suggests multigenerational living remains common. These figures help gauge local housing stock, utility demand, and the pace of residential development in Gasan.
| Census Date | Households | Avg. Size |
|---|---|---|
| 1990 May 1 | 169 | 5.29 |
| 1995 Sep 1 | 182 | 4.73 |
| 2000 May 1 | 209 | 4.43 |
| 2007 Aug 1 | 219 | 4.18 |
| 2010 May 1 | 237 | 4.33 |
| 2015 Aug 1 | 245 | 4.23 |
Location & Environment
Geographic coordinates, comparative elevation, and environmental risk profile.
Relative rank among Gasan's barangays by 2020 population.
Elevation profile, compared to the 15.1 m municipal median.
Barangay Bachao Ilaya is located at approximately 13.307, 121.8721 (13°18'25" N, 121°52'20" E) on Luzon , roughly 30.3 meters above sea level.
Hazard Profile & Risk Context
MIMAROPA is exposed to several tropical cyclones each season, less often than the eastern and northern seaboards.
ModerateMIMAROPA has moderate seismic exposure from regional fault systems, with occasional felt earthquakes.
ModerateLocalized flooding can occur during heavy rainfall, depending on drainage and proximity to rivers and low ground.
ModerateGeneral planning context derived from topographic models. Refer to PHIVOLCS and municipal DRRMO advisories for official disaster risk mapping.
Governance & Administrative Record
Local administration setup and statutory registry parameters.
As the primary administrative tier in the Philippines, Barangay Bachao Ilaya in municipality of Gasan, province of Marinduque is led by an elected Punong Barangay alongside a Sangguniang Barangay composed of seven elected council members. The barangay council oversees neighborhood disputes via the Lupong Tagapamayapa, enacts local ordinances, and maintains peace and public safety.
Official Registry
PSGC Statutory Data Sheet
Surrounding Area & Local Culture
Nearby communities, cultural landmarks, and local services in Gasan.
Nearest Barangays
Regional Culinary Highlights
Crab meat shredded and mixed with grated coconut and spices, served inside a crab shell and wrapped in banana leaves.
Dinilawang ManokChicken simmered in a turmeric (dilaw) and coconut milk base, resulting in a vibrant yellow, creamy stew.
Kari-KariA local pork-innards stew similar to dinuguan (blood stew), distinct from the peanut-based kare-kare of other regions.
Other Barangays in Gasan
Frequently Asked Questions
Where is Barangay Bachao Ilaya located?
Barangay Bachao Ilaya is a barangay in Gasan, Marinduque, in the MIMAROPA (Region IV-B) of the Philippines. Registered under PSGC code 1704003004 with ZIP code 4905, it had a 2020 Census population of 954. That makes it the 18th most populous of Gasan's 25 barangays (2.7% of the municipal total of 35,315). It sits at about 30.3 m above sea level at coordinates 13.307, 121.8721.
What is the population of Barangay Bachao Ilaya?
954 as of the 2020 Census, the 18th largest of Gasan's 25 barangays (2.7% of the municipal total).
What is the PSGC code of Barangay Bachao Ilaya?
The PSGC code is 1704003004, a nine-digit identifier in the PSA classification.
What is the ZIP code of Barangay Bachao Ilaya?
ZIP 4905, covering Gasan and its barangays.
How many barangays does Gasan have?
25 barangays per the PSA PSGC 1Q 2026 release.
Notes & Data Sources
- Administrative boundaries sourced from the PSA PSGC 1Q 2026 dataset release.
- Population figures and geographical metrics are integrated from official PhilAtlas and PSA Census records.