Barangay Inayagan is a barangay in Naga City, Camarines Sur, in the Bicol Region (Region V) of the Philippines. Registered under PSGC code 0702234011 with ZIP code 4400, it had a 2020 Census population of 10,351. That makes it the 9th most populous of Naga City's 55 barangays (7.5% of the municipal total of 138,727). It sits at about 8.9 m above sea level at coordinates 10.2357, 123.7738.
Overview
Barangay Inayagan is a local community situated within Naga City, Camarines Sur. 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 Inayagan 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 Inayagan is expanding, contracting, or holding steady within Naga City, a signal that informs housing demand, school-age population, and the delivery of local public services.
| Census Date | Population | Growth | Net |
|---|---|---|---|
| 1990 May 1 | 4,401 | — | — |
| 1995 Sep 1 | 5,042 | +2.58% | 641 |
| 2000 May 1 | 5,947 | +3.6% | 905 |
| 2007 Aug 1 | 7,525 | +3.3% | 1,578 |
| 2010 May 1 | 7,832 | +1.47% | 307 |
| 2015 Aug 1 | 8,342 | +1.21% | 510 |
| 2020 May 1 | 10,351 | +4.65% | 2,009 |
Age Distribution (2015 Census)
The age profile of Barangay Inayagan 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 Naga City.
| Age Group | Population | Share |
|---|---|---|
| Under 1 | 171 | 2.05% |
| 1 to 4 | 733 | 8.79% |
| 5 to 9 | 935 | 11.21% |
| 10 to 14 | 854 | 10.24% |
| 15 to 19 | 820 | 9.83% |
| 20 to 24 | 798 | 9.57% |
| 25 to 29 | 770 | 9.23% |
| 30 to 34 | 683 | 8.19% |
| 35 to 39 | 592 | 7.1% |
| 40 to 44 | 440 | 5.27% |
| 45 to 49 | 438 | 5.25% |
| 50 to 54 | 341 | 4.09% |
| 55 to 59 | 273 | 3.27% |
| 60 to 64 | 203 | 2.43% |
| 65 to 69 | 121 | 1.45% |
| 70 to 74 | 76 | 0.91% |
| 75 to 79 | 55 | 0.66% |
| 80 and over | 39 | 0.47% |
Young population (0-14) · 32.28%
Working-age population (15-64) · 64.23%
Older population (65+) · 3.49%
Household Trends
Household formation in Barangay Inayagan 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 Naga City.
| Census Date | Households | Avg. Size |
|---|---|---|
| 1990 May 1 | 781 | 5.64 |
| 1995 Sep 1 | 959 | 5.26 |
| 2000 May 1 | 1,188 | 5.01 |
| 2007 Aug 1 | 1,519 | 4.95 |
| 2010 May 1 | 1,778 | 4.4 |
| 2015 Aug 1 | 1,632 | 5.11 |
Location & Environment
Geographic coordinates, comparative elevation, and environmental risk profile.
Relative rank among Naga City's barangays by 2020 population.
Elevation profile, compared to the 9.8 m municipal median.
Barangay Inayagan is located at approximately 10.2357, 123.7738 (10°14'09" N, 123°46'26" E) on Luzon , roughly 8.9 meters above sea level.
Hazard Profile & Risk Context
Bicol Region lies along the main track of Pacific tropical cyclones and sees frequent typhoon passage during the June to November season.
HighBicol Region is seismically active, with movement along nearby faults and trenches capable of producing strong earthquakes.
HighAt roughly 8.9 m above sea level, low-lying areas here are more exposed to flooding and, near the coast, storm surge during major storms.
HighGeneral 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 Inayagan in municipality of Naga City, province of Camarines Sur 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 Naga City.
Nearest Barangays
Regional Culinary Highlights
A famous noodle soup featuring meat scraped (kalas) from tenderly boiled cow or pig heads; served with a thick, savory g...
Bicol Express (Naga Style)Unlike the common pork version, Naga often features a blend of seafood and pork, heavily laden with siling labuyo and cr...
InulukanCrabs cooked in coconut milk with gabi leaves; the specific "inulukan" refers to the small river crabs used, providing a...
Nilasing na IsdaSmall, fresh-caught river fish marinated in local wine or vinegar, then deep-fried to a crisp; a popular appetizer.
Other Barangays in Naga City
Frequently Asked Questions
Where is Barangay Inayagan located?
Barangay Inayagan is a barangay in Naga City, Camarines Sur, in the Bicol Region (Region V) of the Philippines. Registered under PSGC code 0702234011 with ZIP code 4400, it had a 2020 Census population of 10,351. That makes it the 9th most populous of Naga City's 55 barangays (7.5% of the municipal total of 138,727). It sits at about 8.9 m above sea level at coordinates 10.2357, 123.7738.
What is the population of Barangay Inayagan?
10,351 as of the 2020 Census, the 9th largest of Naga City's 55 barangays (7.5% of the municipal total).
What is the PSGC code of Barangay Inayagan?
The PSGC code is 0702234011, a nine-digit identifier in the PSA classification.
What is the ZIP code of Barangay Inayagan?
ZIP 4400, covering Naga City and its barangays.
How many barangays does Naga City have?
55 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.