Lang‑ayan, Municipality of Santiago, Province of Ilocos Sur
Type | barangay |
---|---|
Island group | Luzon |
Region | Ilocos Region (Region I) |
Province | Ilocos Sur |
Municipality | Santiago |
Postal code | 2707 |
Population (2020) | 402 |
Philippine major island(s) | Luzon |
Coordinates | 17.2774, 120.4381 (17° 17' North, 120° 26' East) |
Estimated elevation above sea level | 22.0 meters (72.2 feet) |
Lang‑ayan is a barangay in the municipality of Santiago, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 402. This represented 2.06% of the total population of Santiago.
Demographics
Households
The household population of Lang-ayan in the 2015 Census was 373 broken down into 100 households or an average of 3.73 members per household.
details
Census date | Household population | Number of households | Average household size |
---|---|---|---|
360 | 73 | 4.93 | |
356 | 74 | 4.81 | |
359 | 74 | 4.85 | |
321 | 80 | 4.01 | |
344 | 83 | 4.14 | |
373 | 100 | 3.73 |
Population by age group
According to the 2015 Census, the age groups with the highest population in Lang-ayan are in the ranges 5 to 9, and 35 to 39, with 33 individuals. Conversely, the age group with the lowest population is 80 and over, with 4 individuals.
details
Age group | Population (2015) | Age group percentage |
---|---|---|
Under 1 | 5 | 1.34% |
1 to 4 | 29 | 7.77% |
5 to 9 | 33 | 8.85% |
10 to 14 | 26 | 6.97% |
15 to 19 | 20 | 5.36% |
20 to 24 | 30 | 8.04% |
25 to 29 | 27 | 7.24% |
30 to 34 | 31 | 8.31% |
35 to 39 | 33 | 8.85% |
40 to 44 | 32 | 8.58% |
45 to 49 | 19 | 5.09% |
50 to 54 | 21 | 5.63% |
55 to 59 | 11 | 2.95% |
60 to 64 | 16 | 4.29% |
65 to 69 | 15 | 4.02% |
70 to 74 | 10 | 2.68% |
75 to 79 | 11 | 2.95% |
80 and over | 4 | 1.07% |
Total | 373 | 100.00% |
|
Historical population
The population of Lang-ayan grew from 360 in 1990 to 402 in 2020, an increase of 42 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.59%, or an increase of 29 people, from the previous population of 373 in 2015.
Census date | Population | Growth rate |
---|---|---|
360 | – | |
356 | -0.21% | |
359 | 0.18% | |
321 | -1.53% | |
344 | 2.55% | |
373 | 1.55% | |
402 | 1.59% |
Location
Lang‑ayan is situated at approximately 17.2774, 120.4381, in the island of Luzon. Elevation at these coordinates is estimated at 22.0 meters or 72.2 feet above mean sea level.
Adjacent barangays
Lang‑ayan 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.