Siffu, City of Ilagan, Province of Isabela
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| City | Ilagan |
| Postal code | 3330 |
| Population (2020) | 1,533 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.1353, 121.7920 (17° 8' North, 121° 48' East) |
| Estimated elevation above sea level | 50.5 meters (165.7 feet) |
Siffu is a barangay in the city of Ilagan, in the province of Isabela. Its population as determined by the 2020 Census was 1,533. This represented 0.97% of the total population of Ilagan.
Demographics
Households
The household population of Siffu in the 2015 Census was 1,482 broken down into 397 households or an average of 3.73 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 1,181 | 235 | 5.03 | |
| 1,079 | 232 | 4.65 | |
| 1,259 | 266 | 4.73 | |
| 1,319 | 329 | 4.01 | |
| 1,317 | 337 | 3.91 | |
| 1,482 | 397 | 3.73 |
Population by age group
According to the 2015 Census, the age group with the highest population in Siffu is 5 to 9, with 156 individuals. Conversely, the age group with the lowest population is 80 and over, with 11 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 23 | 1.55% |
| 1 to 4 | 123 | 8.30% |
| 5 to 9 | 156 | 10.53% |
| 10 to 14 | 136 | 9.18% |
| 15 to 19 | 140 | 9.45% |
| 20 to 24 | 129 | 8.70% |
| 25 to 29 | 130 | 8.77% |
| 30 to 34 | 117 | 7.89% |
| 35 to 39 | 120 | 8.10% |
| 40 to 44 | 102 | 6.88% |
| 45 to 49 | 74 | 4.99% |
| 50 to 54 | 63 | 4.25% |
| 55 to 59 | 59 | 3.98% |
| 60 to 64 | 42 | 2.83% |
| 65 to 69 | 25 | 1.69% |
| 70 to 74 | 19 | 1.28% |
| 75 to 79 | 13 | 0.88% |
| 80 and over | 11 | 0.74% |
| Total | 1,482 | 100.00% |
| ||
Historical population
The population of Siffu grew from 1,181 in 1990 to 1,533 in 2020, an increase of 352 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.71%, or an increase of 51 people, from the previous population of 1,482 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 1,181 | – | |
| 1,079 | -1.68% | |
| 1,259 | 3.36% | |
| 1,319 | 0.64% | |
| 1,317 | -0.06% | |
| 1,482 | 2.27% | |
| 1,533 | 0.71% |
Location
Siffu is situated at approximately 17.1353, 121.7920, in the island of Luzon. Elevation at these coordinates is estimated at 50.5 meters or 165.7 feet above mean sea level.
Adjacent barangays
Siffu 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.