Gandaan, Municipality of Olutanga, Province of Zamboanga Sibugay
| Type | barangay |
|---|---|
| Island group | Mindanao |
| Region | Zamboanga Peninsula (Region IX) |
| Province | Zamboanga Sibugay |
| Municipality | Olutanga |
| Postal code | 7041 |
| Population (2020) | 1,379 |
| Philippine major island(s) | Olutanga |
| Coordinates | 7.3290, 122.8149 (7° 20' North, 122° 49' East) |
| Estimated elevation above sea level | 12.9 meters (42.3 feet) |
Gandaan is a barangay in the municipality of Olutanga, in the province of Zamboanga Sibugay. Its population as determined by the 2020 Census was 1,379. This represented 3.59% of the total population of Olutanga.
Demographics
Households
The household population of Gandaan in the 2015 Census was 1,285 broken down into 280 households or an average of 4.59 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 563 | 102 | 5.52 | |
| 670 | 141 | 4.75 | |
| 771 | 157 | 4.91 | |
| 984 | 186 | 5.29 | |
| 1,056 | 233 | 4.53 | |
| 1,285 | 280 | 4.59 |
Population by age group
According to the 2015 Census, the age group with the highest population in Gandaan is 10 to 14, with 159 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 | 27 | 2.10% |
| 1 to 4 | 105 | 8.17% |
| 5 to 9 | 137 | 10.66% |
| 10 to 14 | 159 | 12.37% |
| 15 to 19 | 150 | 11.67% |
| 20 to 24 | 139 | 10.82% |
| 25 to 29 | 121 | 9.42% |
| 30 to 34 | 98 | 7.63% |
| 35 to 39 | 74 | 5.76% |
| 40 to 44 | 63 | 4.90% |
| 45 to 49 | 58 | 4.51% |
| 50 to 54 | 51 | 3.97% |
| 55 to 59 | 25 | 1.95% |
| 60 to 64 | 29 | 2.26% |
| 65 to 69 | 19 | 1.48% |
| 70 to 74 | 23 | 1.79% |
| 75 to 79 | 4 | 0.31% |
| 80 and over | 3 | 0.23% |
| Total | 1,285 | 100.00% |
| ||
Historical population
The population of Gandaan grew from 563 in 1990 to 1,379 in 2020, an increase of 816 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.50%, or an increase of 94 people, from the previous population of 1,285 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 563 | – | |
| 670 | 3.31% | |
| 771 | 3.06% | |
| 984 | 3.42% | |
| 1,056 | 2.60% | |
| 1,285 | 3.81% | |
| 1,379 | 1.50% |
Location
Gandaan is situated at approximately 7.3290, 122.8149, in the island of Olutanga. Elevation at these coordinates is estimated at 12.9 meters or 42.3 feet above mean sea level.
Adjacent barangays
Gandaan 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.