Liangan I, Municipality of Madalum, Province of Lanao del Sur
| Type | barangay |
|---|---|
| Island group | Mindanao |
| Region | Bangsamoro Autonomous Region in Muslim Mindanao (BARMM) |
| Province | Lanao del Sur |
| Municipality | Madalum |
| Postal code | 9315 |
| Population (2020) | 797 |
| Philippine major island(s) | Mindanao |
| Coordinates | 7.8913, 124.0930 (7° 53' North, 124° 6' East) |
| Estimated elevation above sea level | 1,180.0 meters (3,871.3 feet) |
Liangan I is a barangay in the municipality of Madalum, in the province of Lanao del Sur. Its population as determined by the 2020 Census was 797. This represented 3.01% of the total population of Madalum.
Demographics
Households
The household population of Liangan I in the 2015 Census was 636 broken down into 105 households or an average of 6.06 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 260 | 50 | 5.20 | |
| 297 | 41 | 7.24 | |
| 359 | 50 | 7.18 | |
| 850 | 139 | 6.12 | |
| 479 | 81 | 5.91 | |
| 636 | 105 | 6.06 |
Population by age group
According to the 2015 Census, the age group with the highest population in Liangan I is 5 to 9, with 94 individuals. Conversely, the age group with the lowest population is 65 to 69, with 1 individual.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 10 | 1.57% |
| 1 to 4 | 87 | 13.68% |
| 5 to 9 | 94 | 14.78% |
| 10 to 14 | 69 | 10.85% |
| 15 to 19 | 41 | 6.45% |
| 20 to 24 | 55 | 8.65% |
| 25 to 29 | 80 | 12.58% |
| 30 to 34 | 51 | 8.02% |
| 35 to 39 | 59 | 9.28% |
| 40 to 44 | 19 | 2.99% |
| 45 to 49 | 25 | 3.93% |
| 50 to 54 | 15 | 2.36% |
| 55 to 59 | 9 | 1.42% |
| 60 to 64 | 8 | 1.26% |
| 65 to 69 | 1 | 0.16% |
| 70 to 74 | 5 | 0.79% |
| 75 to 79 | 2 | 0.31% |
| 80 and over | 6 | 0.94% |
| Total | 636 | 100.00% |
| ||
Historical population
The population of Liangan I grew from 260 in 1990 to 797 in 2020, an increase of 537 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 4.86%, or an increase of 161 people, from the previous population of 636 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 260 | – | |
| 297 | 2.52% | |
| 359 | 4.15% | |
| 850 | 12.62% | |
| 479 | -18.84% | |
| 636 | 5.55% | |
| 797 | 4.86% |
Location
Liangan I is situated at approximately 7.8913, 124.0930, in the island of Mindanao. Elevation at these coordinates is estimated at 1,180.0 meters or 3,871.3 feet above mean sea level.
Adjacent barangays
Liangan I 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.