Barangay Oyao is a barangay in Dupax del Norte, Nueva Vizcaya, in the Cagayan Valley (Region II) of the Philippines. Registered under PSGC code 0205007016 with ZIP code 3706, it had a 2020 Census population of 2,222. That makes it the 7th most populous of Dupax del Norte's 15 barangays (6.3% of the municipal total of 35,509). It sits at about 871.3 m above sea level at coordinates 16.2301, 121.2127.
Overview
Barangay Oyao is a local community situated within Dupax del Norte, Nueva Vizcaya. 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 Oyao 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 Oyao is expanding, contracting, or holding steady within Dupax del Norte, a signal that informs housing demand, school-age population, and the delivery of local public services.
| Census Date | Population | Growth | Net |
|---|---|---|---|
| 1990 May 1 | 1,492 | — | — |
| 1995 Sep 1 | 1,686 | +2.32% | 194 |
| 2000 May 1 | 1,695 | +0.11% | 9 |
| 2007 Aug 1 | 1,684 | -0.09% | -11 |
| 2010 May 1 | 2,174 | +9.74% | 490 |
| 2015 Aug 1 | 2,215 | +0.36% | 41 |
| 2020 May 1 | 2,222 | +0.07% | 7 |
Age Distribution (2015 Census)
The age profile of Barangay Oyao 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 Dupax del Norte.
| Age Group | Population | Share |
|---|---|---|
| Under 1 | 56 | 2.53% |
| 1 to 4 | 197 | 8.89% |
| 5 to 9 | 238 | 10.74% |
| 10 to 14 | 232 | 10.47% |
| 15 to 19 | 237 | 10.7% |
| 20 to 24 | 230 | 10.38% |
| 25 to 29 | 226 | 10.2% |
| 30 to 34 | 168 | 7.58% |
| 35 to 39 | 117 | 5.28% |
| 40 to 44 | 104 | 4.7% |
| 45 to 49 | 111 | 5.01% |
| 50 to 54 | 107 | 4.83% |
| 55 to 59 | 69 | 3.12% |
| 60 to 64 | 57 | 2.57% |
| 65 to 69 | 21 | 0.95% |
| 70 to 74 | 21 | 0.95% |
| 75 to 79 | 13 | 0.59% |
| 80 and over | 11 | 0.5% |
Young population (0-14) · 32.64%
Working-age population (15-64) · 64.38%
Older population (65+) · 2.98%
Household Trends
Household formation in Barangay Oyao 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 Dupax del Norte.
| Census Date | Households | Avg. Size |
|---|---|---|
| 1990 May 1 | 300 | 4.97 |
| 1995 Sep 1 | 309 | 5.42 |
| 2000 May 1 | 311 | 5.45 |
| 2007 Aug 1 | 321 | 5.25 |
| 2010 May 1 | 434 | 5.01 |
| 2015 Aug 1 | 454 | 4.88 |
Location & Environment
Geographic coordinates, comparative elevation, and environmental risk profile.
Relative rank among Dupax del Norte's barangays by 2020 population.
Elevation profile, compared to the 385 m municipal median.
Barangay Oyao is located at approximately 16.2301, 121.2127 (16°13'48" N, 121°12'46" E) on Luzon , roughly 871.3 meters above sea level.
Hazard Profile & Risk Context
Cagayan Valley lies along the main track of Pacific tropical cyclones and sees frequent typhoon passage during the June to November season.
HighCagayan Valley has moderate seismic exposure from regional fault systems, with occasional felt earthquakes.
ModerateAt roughly 871.3 m elevation, steeper upland terrain can raise landslide susceptibility during prolonged or heavy rainfall.
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 Oyao in municipality of Dupax del Norte, province of Nueva Vizcaya 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 Dupax del Norte.
Nearest Barangays
Regional Culinary Highlights
Utilizes fresh mountain vegetables harvested from the provinceÔÇÖs cool, elevated slopes, often cooked with bagoong m...
BinungorA fiery, exotic vegetable stew made from local greens, bamboo shoots, and sometimes snails (kuhol) or river shellfish, s...
ChicharonThe province has a growing reputation for high-quality, ultra-crispy chicharon (fried pork skin), often sold in markets...
Freshwater FishDishes featuring tilapia or mudfish caught from the Magat River, often grilled or cooked in sinigang with local citrus.
Other Barangays in Dupax del Norte
Frequently Asked Questions
Where is Barangay Oyao located?
Barangay Oyao is a barangay in Dupax del Norte, Nueva Vizcaya, in the Cagayan Valley (Region II) of the Philippines. Registered under PSGC code 0205007016 with ZIP code 3706, it had a 2020 Census population of 2,222. That makes it the 7th most populous of Dupax del Norte's 15 barangays (6.3% of the municipal total of 35,509). It sits at about 871.3 m above sea level at coordinates 16.2301, 121.2127.
What is the population of Barangay Oyao?
2,222 as of the 2020 Census, the 7th largest of Dupax del Norte's 15 barangays (6.3% of the municipal total).
What is the PSGC code of Barangay Oyao?
The PSGC code is 0205007016, a nine-digit identifier in the PSA classification.
What is the ZIP code of Barangay Oyao?
ZIP 3706, covering Dupax del Norte and its barangays.
How many barangays does Dupax del Norte have?
15 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.