Zone II, Municipality of San Mariano, Province of Isabela

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
MunicipalitySan Mariano
Postal code3332
Population (2020)2,463
Philippine major island(s)Luzon
Coordinates16.9819, 122.0171 (16° 59' North, 122° 1' East)
Estimated elevation above sea level68.5 meters (224.7 feet)

Zone II, formerly Poblacion, is a barangay in the municipality of San Mariano, in the province of Isabela. Its population as determined by the 2020 Census was 2,463. This represented 4.10% of the total population of San Mariano.

Demographics

Households

The household population of Zone II in the 2015 Census was 2,337 broken down into 507 households or an average of 4.61 members per household.

details
Number of households in Zone II (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
2,2674085.56
2,2133995.55
2,1993925.61
1,9193884.95
2,1334195.09
2,3375074.61

Population by age group

According to the 2015 Census, the age group with the highest population in Zone II is 20 to 24, with 265 individuals. Conversely, the age group with the lowest population is 80 and over, with 12 individuals.

details
Population of Zone II by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1472.00%
1 to 42119.00%
5 to 924110.28%
10 to 1423610.06%
15 to 192269.64%
20 to 2426511.30%
25 to 292129.04%
30 to 341687.16%
35 to 391395.93%
40 to 44994.22%
45 to 491536.52%
50 to 541114.73%
55 to 59803.41%
60 to 64612.60%
65 to 69341.45%
70 to 74321.36%
75 to 79180.77%
80 and over120.51%
Total2,345100.00%
  • Youth Dependency Ratio: 48.55
  • Old Age Dependency Ratio: 6.34
  • Total Dependency Ratio: 54.89
  • Median Age: 23.99

Historical population

The population of Zone II grew from 2,267 in 1990 to 2,463 in 2020, an increase of 196 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.04%, or an increase of 118 people, from the previous population of 2,345 in 2015.

Population of Zone II (1990‑2020)
Census datePopulationGrowth rate
2,267
2,213-0.45%
2,199-0.14%
1,919-1.86%
2,1333.92%
2,3451.82%
2,4631.04%

Location

Zone II is situated at approximately 16.9819, 122.0171, in the island of Luzon. Elevation at these coordinates is estimated at 68.5 meters or 224.7 feet above mean sea level.


Adjacent barangays

Zone II 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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