San Francisco Sur, Municipality of San Guillermo, Province of Isabela

Summary data
Typebarangay
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
MunicipalitySan Guillermo
Postal code3308
Population (2020)407
Philippine major island(s)Luzon
Coordinates16.6663, 121.8914 (16° 40' North, 121° 53' East)
Estimated elevation above sea level119.6 meters (392.4 feet)

San Francisco Sur is a barangay in the municipality of San Guillermo, in the province of Isabela. Its population as determined by the 2020 Census was 407. This represented 1.95% of the total population of San Guillermo.

Demographics

Households

The household population of San Francisco Sur in the 2015 Census was 400 broken down into 95 households or an average of 4.21 members per household.

details
Number of households in San Francisco Sur (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
101205.05
114254.56
208444.73
252594.27
350824.27
400954.21

Population by age group

According to the 2015 Census, the age group with the highest population in San Francisco Sur is 5 to 9, with 61 individuals. Conversely, the age group with the lowest population is 75 to 79, with 2 individuals.

details
Population of San Francisco Sur by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1102.50%
1 to 45313.25%
5 to 96115.25%
10 to 144110.25%
15 to 19369.00%
20 to 24287.00%
25 to 29276.75%
30 to 34287.00%
35 to 39225.50%
40 to 44256.25%
45 to 49205.00%
50 to 54133.25%
55 to 59112.75%
60 to 6482.00%
65 to 6971.75%
70 to 7451.25%
75 to 7920.50%
80 and over30.75%
Total400100.00%
  • Youth Dependency Ratio: 75.69
  • Old Age Dependency Ratio: 7.8
  • Total Dependency Ratio: 83.49
  • Median Age: 19.86

Historical population

The population of San Francisco Sur grew from 101 in 1990 to 407 in 2020, an increase of 306 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 0.37%, or an increase of 7 people, from the previous population of 400 in 2015.

Population of San Francisco Sur (1990‑2020)
Census datePopulationGrowth rate
101
1142.29%
20813.76%
2522.68%
35012.70%
4002.57%
4070.37%

Location

San Francisco Sur is situated at approximately 16.6663, 121.8914, in the island of Luzon. Elevation at these coordinates is estimated at 119.6 meters or 392.4 feet above mean sea level.


Adjacent barangays

San Francisco Sur 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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