Ilaor Sur, Municipality of Oas, Province of Albay
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Bicol Region (Region V) |
| Province | Albay |
| Municipality | Oas |
| Postal code | 4504 |
| Population (2020) | 1,778 |
| Philippine major island(s) | Luzon |
| Coordinates | 13.2586, 123.4983 (13° 16' North, 123° 30' East) |
| Estimated elevation above sea level | 34.1 meters (111.9 feet) |
Ilaor Sur is a barangay in the municipality of Oas, in the province of Albay. Its population as determined by the 2020 Census was 1,778. This represented 2.69% of the total population of Oas.
Demographics
Households
The household population of Ilaor Sur in the 2015 Census was 2,177 broken down into 414 households or an average of 5.26 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 1,705 | 324 | 5.26 | |
| 1,855 | 352 | 5.27 | |
| 1,965 | 382 | 5.14 | |
| 1,987 | 368 | 5.40 | |
| 2,264 | 437 | 5.18 | |
| 2,177 | 414 | 5.26 |
Population by age group
According to the 2015 Census, the age group with the highest population in Ilaor Sur is 10 to 14, with 266 individuals. Conversely, the age group with the lowest population is 75 to 79, with 24 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 41 | 1.86% |
| 1 to 4 | 183 | 8.31% |
| 5 to 9 | 247 | 11.22% |
| 10 to 14 | 266 | 12.08% |
| 15 to 19 | 230 | 10.45% |
| 20 to 24 | 206 | 9.36% |
| 25 to 29 | 138 | 6.27% |
| 30 to 34 | 118 | 5.36% |
| 35 to 39 | 162 | 7.36% |
| 40 to 44 | 126 | 5.72% |
| 45 to 49 | 125 | 5.68% |
| 50 to 54 | 94 | 4.27% |
| 55 to 59 | 78 | 3.54% |
| 60 to 64 | 52 | 2.36% |
| 65 to 69 | 52 | 2.36% |
| 70 to 74 | 35 | 1.59% |
| 75 to 79 | 24 | 1.09% |
| 80 and over | 25 | 1.14% |
| Total | 2,202 | 100.00% |
| ||
Historical population
The population of Ilaor Sur grew from 1,705 in 1990 to 1,778 in 2020, an increase of 73 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 4.40%, or a decrease of 424 people, from the previous population of 2,202 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 1,705 | – | |
| 1,855 | 1.59% | |
| 1,968 | 1.28% | |
| 2,009 | 0.28% | |
| 2,275 | 4.63% | |
| 2,202 | -0.62% | |
| 1,778 | -4.40% |
Location
Ilaor Sur is situated at approximately 13.2586, 123.4983, in the island of Luzon. Elevation at these coordinates is estimated at 34.1 meters or 111.9 feet above mean sea level.
Adjacent barangays
Ilaor 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.