Dubduban, Municipality of San Agustin, Province of Romblon

Summary data
Typebarangay
Island groupLuzon
RegionMIMAROPA Region
ProvinceRomblon
MunicipalitySan Agustin
Postal code5501
Population (2020)2,450
Philippine major island(s)Tablas
Coordinates12.5690, 122.1284 (12° 34' North, 122° 8' East)
Estimated elevation above sea level14.7 meters (48.2 feet)

Dubduban is a barangay in the municipality of San Agustin, in the province of Romblon. Its population as determined by the 2020 Census was 2,450. This represented 10.16% of the total population of San Agustin.

Demographics

Households

The household population of Dubduban in the 2015 Census was 2,146 broken down into 527 households or an average of 4.07 members per household.

details
Number of households in Dubduban (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,3012455.31
1,5583005.19
1,9464234.60
2,1594574.72
2,1284884.36
2,1465274.07

Population by age group

According to the 2015 Census, the age group with the highest population in Dubduban is 10 to 14, with 284 individuals. Conversely, the age group with the lowest population is 80 and over, with 20 individuals.

details
Population of Dubduban by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1442.05%
1 to 41778.24%
5 to 925411.82%
10 to 1428413.22%
15 to 192049.50%
20 to 241707.91%
25 to 291155.35%
30 to 341346.24%
35 to 391346.24%
40 to 441386.42%
45 to 491115.17%
50 to 541074.98%
55 to 59904.19%
60 to 64572.65%
65 to 69361.68%
70 to 74442.05%
75 to 79291.35%
80 and over200.93%
Total2,148100.00%
  • Youth Dependency Ratio: 60.24
  • Old Age Dependency Ratio: 10.24
  • Total Dependency Ratio: 70.48
  • Median Age: 23.26

Historical population

The population of Dubduban grew from 1,301 in 1990 to 2,450 in 2020, an increase of 1,149 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 2.81%, or an increase of 302 people, from the previous population of 2,148 in 2015.

Population of Dubduban (1990‑2020)
Census datePopulationGrowth rate
1,301
1,5583.43%
1,9464.88%
2,1641.48%
2,128-0.61%
2,1480.18%
2,4502.81%

Location

Dubduban is situated at approximately 12.5690, 122.1284, in the island of Tablas. Elevation at these coordinates is estimated at 14.7 meters or 48.2 feet above mean sea level.


Adjacent barangays

Dubduban 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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