San Mariano Sur, Municipality of San Guillermo, Province of Isabela
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| Municipality | San Guillermo |
| Postal code | 3308 |
| Population (2020) | 608 |
| Philippine major island(s) | Luzon |
| Coordinates | 16.7190, 121.8722 (16° 43' North, 121° 52' East) |
| Estimated elevation above sea level | 89.0 meters (292.0 feet) |
San Mariano Sur is a barangay in the municipality of San Guillermo, in the province of Isabela. Its population as determined by the 2020 Census was 608. This represented 2.91% of the total population of San Guillermo.
Demographics
Households
The household population of San Mariano Sur in the 2015 Census was 644 broken down into 149 households or an average of 4.32 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 269 | 49 | 5.49 | |
| 347 | 73 | 4.75 | |
| 463 | 86 | 5.38 | |
| 532 | 116 | 4.59 | |
| 552 | 134 | 4.12 | |
| 644 | 149 | 4.32 |
Population by age group
According to the 2015 Census, the age group with the highest population in San Mariano Sur is 5 to 9, with 82 individuals. Conversely, the age group with the lowest population is 80 and over, with 3 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 19 | 2.95% |
| 1 to 4 | 69 | 10.71% |
| 5 to 9 | 82 | 12.73% |
| 10 to 14 | 62 | 9.63% |
| 15 to 19 | 49 | 7.61% |
| 20 to 24 | 63 | 9.78% |
| 25 to 29 | 65 | 10.09% |
| 30 to 34 | 56 | 8.70% |
| 35 to 39 | 39 | 6.06% |
| 40 to 44 | 32 | 4.97% |
| 45 to 49 | 26 | 4.04% |
| 50 to 54 | 19 | 2.95% |
| 55 to 59 | 20 | 3.11% |
| 60 to 64 | 13 | 2.02% |
| 65 to 69 | 8 | 1.24% |
| 70 to 74 | 12 | 1.86% |
| 75 to 79 | 7 | 1.09% |
| 80 and over | 3 | 0.47% |
| Total | 644 | 100.00% |
| ||
Historical population
The population of San Mariano Sur grew from 269 in 1990 to 608 in 2020, an increase of 339 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.20%, or a decrease of 36 people, from the previous population of 644 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 269 | – | |
| 347 | 4.89% | |
| 463 | 6.38% | |
| 532 | 1.93% | |
| 552 | 1.35% | |
| 644 | 2.98% | |
| 608 | -1.20% |
Location
San Mariano Sur is situated at approximately 16.7190, 121.8722, in the island of Luzon. Elevation at these coordinates is estimated at 89.0 meters or 292.0 feet above mean sea level.
Adjacent barangays
San Mariano Sur shares a common border with the following barangay(s):
Notes
- Data on population, and households, are from the Philippine Statistics Authority.
- Postal code information is from the Philippine Postal Corporation.