Ibabang Dupay, City of Lucena
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | CALABARZON (Region IV‑A) |
| City | Lucena |
| Postal code | 4301 |
| Population (2020) | 28,119 |
| Philippine major island(s) | Luzon |
| Coordinates | 13.9414, 121.6235 (13° 56' North, 121° 37' East) |
| Estimated elevation above sea level | 25.6 meters (84.0 feet) |
Ibabang Dupay is a barangay in the city of Lucena. Its population as determined by the 2020 Census was 28,119. This represented 10.08% of the total population of Lucena.
Demographics
Households
The household population of Ibabang Dupay in the 2015 Census was 31,767 broken down into 7,035 households or an average of 4.52 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 16,204 | 3,108 | 5.21 | |
| 21,560 | 4,456 | 4.84 | |
| 21,186 | 4,425 | 4.79 | |
| 25,328 | 5,778 | 4.38 | |
| 29,789 | 6,471 | 4.60 | |
| 31,767 | 7,035 | 4.52 |
Population by age group
According to the 2015 Census, the age group with the highest population in Ibabang Dupay is 15 to 19, with 3,608 individuals. Conversely, the age group with the lowest population is 80 and over, with 235 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 579 | 1.82% |
| 1 to 4 | 2,595 | 8.14% |
| 5 to 9 | 3,243 | 10.18% |
| 10 to 14 | 3,159 | 9.91% |
| 15 to 19 | 3,608 | 11.32% |
| 20 to 24 | 3,372 | 10.58% |
| 25 to 29 | 2,757 | 8.65% |
| 30 to 34 | 2,256 | 7.08% |
| 35 to 39 | 2,100 | 6.59% |
| 40 to 44 | 1,734 | 5.44% |
| 45 to 49 | 1,582 | 4.96% |
| 50 to 54 | 1,391 | 4.37% |
| 55 to 59 | 1,179 | 3.70% |
| 60 to 64 | 919 | 2.88% |
| 65 to 69 | 555 | 1.74% |
| 70 to 74 | 354 | 1.11% |
| 75 to 79 | 249 | 0.78% |
| 80 and over | 235 | 0.74% |
| Total | 31,867 | 100.00% |
| ||
Historical population
The population of Ibabang Dupay grew from 16,205 in 1990 to 28,119 in 2020, an increase of 11,914 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 2.60%, or a decrease of 3,748 people, from the previous population of 31,867 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 16,205 | – | |
| 21,590 | 5.52% | |
| 21,255 | -0.33% | |
| 25,355 | 2.46% | |
| 29,800 | 6.06% | |
| 31,867 | 1.28% | |
| 28,119 | -2.60% |
Location
Ibabang Dupay is situated at approximately 13.9414, 121.6235, in the island of Luzon. Elevation at these coordinates is estimated at 25.6 meters or 84.0 feet above mean sea level.
Adjacent barangays
Ibabang Dupay 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.