Ayusan Sur, City of Vigan, Province of Ilocos Sur
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Sur |
| City | Vigan |
| Postal code | 2700 |
| Population (2020) | 1,116 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.5634, 120.3715 (17° 34' North, 120° 22' East) |
| Estimated elevation above sea level | 12.5 meters (41.0 feet) |
Ayusan Sur is a barangay in the city of Vigan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,116. This represented 2.07% of the total population of Vigan.
Demographics
Households
The household population of Ayusan Sur in the 2015 Census was 1,036 broken down into 226 households or an average of 4.58 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 626 | 111 | 5.64 | |
| 700 | 144 | 4.86 | |
| 810 | 174 | 4.66 | |
| 830 | 177 | 4.69 | |
| 930 | 208 | 4.47 | |
| 1,036 | 226 | 4.58 |
Population by age group
According to the 2015 Census, the age group with the highest population in Ayusan Sur is 25 to 29, with 127 individuals. Conversely, the age group with the lowest population is 80 and over, with 8 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 17 | 1.46% |
| 1 to 4 | 90 | 7.75% |
| 5 to 9 | 88 | 7.57% |
| 10 to 14 | 119 | 10.24% |
| 15 to 19 | 117 | 10.07% |
| 20 to 24 | 113 | 9.72% |
| 25 to 29 | 127 | 10.93% |
| 30 to 34 | 78 | 6.71% |
| 35 to 39 | 67 | 5.77% |
| 40 to 44 | 70 | 6.02% |
| 45 to 49 | 73 | 6.28% |
| 50 to 54 | 54 | 4.65% |
| 55 to 59 | 54 | 4.65% |
| 60 to 64 | 35 | 3.01% |
| 65 to 69 | 22 | 1.89% |
| 70 to 74 | 13 | 1.12% |
| 75 to 79 | 17 | 1.46% |
| 80 and over | 8 | 0.69% |
| Total | 1,162 | 100.00% |
| ||
Historical population
The population of Ayusan Sur grew from 629 in 1990 to 1,116 in 2020, an increase of 487 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.85%, or a decrease of 46 people, from the previous population of 1,162 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 629 | – | |
| 764 | 3.71% | |
| 810 | 1.26% | |
| 925 | 1.85% | |
| 930 | 0.20% | |
| 1,162 | 4.33% | |
| 1,116 | -0.85% |
Location
Ayusan Sur is situated at approximately 17.5634, 120.3715, in the island of Luzon. Elevation at these coordinates is estimated at 12.5 meters or 41.0 feet above mean sea level.
Adjacent barangays
Ayusan Sur 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.