Ilian, Municipality of Madamba, Province of Lanao del Sur

Summary data
Typebarangay
Island groupMindanao
RegionBangsamoro Autonomous Region in Muslim Mindanao (BARMM)
ProvinceLanao del Sur
MunicipalityMadamba
Postal code9314
Population (2020)819
Philippine major island(s)Mindanao
Coordinates7.8987, 124.0172 (7° 54' North, 124° 1' East)
Estimated elevation above sea level1,225.9 meters (4,021.9 feet)

Ilian is a barangay in the municipality of Madamba, in the province of Lanao del Sur. Its population as determined by the 2020 Census was 819. This represented 3.71% of the total population of Madamba.

Demographics

Households

The household population of Ilian in the 2015 Census was 406 broken down into 60 households or an average of 6.77 members per household.

details
Number of households in Ilian (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
433805.41
495568.84
611877.02
614837.40
529786.78
406606.77

Population by age group

According to the 2015 Census, the age group with the highest population in Ilian is 25 to 29, with 80 individuals. Conversely, the age groups with the lowest population are in the ranges 65 to 69, and 75 to 79, with 2 individuals.

details
Population of Ilian by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1121.94%
1 to 4508.06%
5 to 97812.58%
10 to 14548.71%
15 to 197311.77%
20 to 24528.39%
25 to 298012.90%
30 to 347311.77%
35 to 39548.71%
40 to 44315.00%
45 to 49233.71%
50 to 5450.81%
55 to 59101.61%
60 to 64172.74%
65 to 6920.32%
70 to 7440.65%
75 to 7920.32%
80 and over0.00%
Total620100.00%
  • Youth Dependency Ratio: 46.41
  • Old Age Dependency Ratio: 1.91
  • Total Dependency Ratio: 48.32
  • Median Age: 24.13

Historical population

The population of Ilian grew from 433 in 1990 to 819 in 2020, an increase of 386 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 6.03%, or an increase of 199 people, from the previous population of 620 in 2015.

Population of Ilian (1990‑2020)
Census datePopulationGrowth rate
433
4952.54%
6114.62%
6140.07%
529-5.28%
6203.07%
8196.03%

Location

Ilian is situated at approximately 7.8987, 124.0172, in the island of Mindanao. Elevation at these coordinates is estimated at 1,225.9 meters or 4,021.9 feet above mean sea level.


Adjacent barangays

Ilian shares a common border with the following barangay(s):

Notes

  1. Data on population, and households, are from the Philippine Statistics Authority.
  2. Postal code information is from the Philippine Postal Corporation.
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