Ambulogan, Municipality of Narvacan, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityNarvacan
Postal code2704
Population (2020)1,525
Philippine major island(s)Luzon
Coordinates17.4715, 120.4920 (17° 28' North, 120° 30' East)
Estimated elevation above sea level35.7 meters (117.1 feet)

Ambulogan is a barangay in the municipality of Narvacan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,525. This represented 3.30% of the total population of Narvacan.

Demographics

Households

The household population of Ambulogan in the 2015 Census was 1,407 broken down into 351 households or an average of 4.01 members per household.

details
Number of households in Ambulogan (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,2852614.92
1,2872704.77
1,3022824.62
1,3223064.32
1,3523403.98
1,4073514.01

Population by age group

According to the 2015 Census, the age group with the highest population in Ambulogan is 25 to 29, with 136 individuals. Conversely, the age group with the lowest population is Under 1, with 21 individuals.

details
Population of Ambulogan by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1211.49%
1 to 41027.25%
5 to 91228.67%
10 to 141067.53%
15 to 191027.25%
20 to 241148.10%
25 to 291369.67%
30 to 341067.53%
35 to 39866.11%
40 to 44825.83%
45 to 49725.12%
50 to 54795.61%
55 to 59735.19%
60 to 64674.76%
65 to 69382.70%
70 to 74422.99%
75 to 79261.85%
80 and over332.35%
Total1,407100.00%
  • Youth Dependency Ratio: 38.28
  • Old Age Dependency Ratio: 15.16
  • Total Dependency Ratio: 53.44
  • Median Age: 30.02

Historical population

The population of Ambulogan grew from 1,285 in 1990 to 1,525 in 2020, an increase of 240 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.71%, or an increase of 118 people, from the previous population of 1,407 in 2015.

Population of Ambulogan (1990‑2020)
Census datePopulationGrowth rate
1,285
1,2870.03%
1,3020.25%
1,3220.21%
1,3520.82%
1,4070.76%
1,5251.71%

Location

Ambulogan is situated at approximately 17.4715, 120.4920, in the island of Luzon. Elevation at these coordinates is estimated at 35.7 meters or 117.1 feet above mean sea level.


Adjacent barangays

Ambulogan 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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