San Isidro, City of Santiago, Province of Isabela

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
CitySantiago
Postal code3311
Population (2020)1,087
Philippine major island(s)Luzon
Coordinates16.6378, 121.5092 (16° 38' North, 121° 31' East)
Estimated elevation above sea level112.8 meters (370.1 feet)

San Isidro is a barangay in the city of Santiago, in the province of Isabela. Its population as determined by the 2020 Census was 1,087. This represented 0.73% of the total population of Santiago.

Demographics

Households

The household population of San Isidro in the 2015 Census was 1,050 broken down into 260 households or an average of 4.04 members per household.

details
Number of households in San Isidro (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
483955.08
5381204.48
5921165.10
7621774.31
8481944.37
1,0502604.04

Population by age group

According to the 2015 Census, the age group with the highest population in San Isidro is 5 to 9, with 113 individuals. Conversely, the age group with the lowest population is 70 to 74, with 5 individuals.

details
Population of San Isidro by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1191.81%
1 to 4827.81%
5 to 911310.76%
10 to 141009.52%
15 to 191029.71%
20 to 2410910.38%
25 to 29858.10%
30 to 34969.14%
35 to 39736.95%
40 to 44615.81%
45 to 49524.95%
50 to 54524.95%
55 to 59353.33%
60 to 64373.52%
65 to 69111.05%
70 to 7450.48%
75 to 7960.57%
80 and over121.14%
Total1,050100.00%
  • Youth Dependency Ratio: 44.73
  • Old Age Dependency Ratio: 4.84
  • Total Dependency Ratio: 49.57
  • Median Age: 25.00

Historical population

The population of San Isidro grew from 483 in 1990 to 1,087 in 2020, an increase of 604 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.73%, or an increase of 37 people, from the previous population of 1,050 in 2015.

Population of San Isidro (1990‑2020)
Census datePopulationGrowth rate
483
5382.04%
5922.07%
7623.54%
8483.97%
1,0504.15%
1,0870.73%

Location

San Isidro is situated at approximately 16.6378, 121.5092, in the island of Luzon. Elevation at these coordinates is estimated at 112.8 meters or 370.1 feet above mean sea level.


Adjacent barangays

San Isidro 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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