San Isidro, Municipality of Sarrat, Province of Ilocos Norte

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Norte
MunicipalitySarrat
Postal code2914
Population (2020)1,103
Philippine major island(s)Luzon
Coordinates18.1191, 120.6518 (18° 7' North, 120° 39' East)
Estimated elevation above sea level27.0 meters (88.6 feet)

San Isidro is a barangay in the municipality of Sarrat, in the province of Ilocos Norte. Its population as determined by the 2020 Census was 1,103. This represented 4.38% of the total population of Sarrat.

Demographics

Households

The household population of San Isidro in the 2015 Census was 1,125 broken down into 278 households or an average of 4.05 members per household.

details
Number of households in San Isidro (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
8341864.48
8662014.31
9152114.34
1,0222334.39
1,0582594.08
1,1252784.05

Population by age group

According to the 2015 Census, the age group with the highest population in San Isidro is 5 to 9, with 109 individuals. Conversely, the age group with the lowest population is Under 1, with 17 individuals.

details
Population of San Isidro by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1171.51%
1 to 4998.80%
5 to 91099.69%
10 to 14797.02%
15 to 19867.64%
20 to 24998.80%
25 to 29867.64%
30 to 34988.71%
35 to 39807.11%
40 to 44736.49%
45 to 49615.42%
50 to 54585.16%
55 to 59504.44%
60 to 64383.38%
65 to 69312.76%
70 to 74211.87%
75 to 79201.78%
80 and over201.78%
Total1,125100.00%
  • Youth Dependency Ratio: 41.7
  • Old Age Dependency Ratio: 12.62
  • Total Dependency Ratio: 54.32
  • Median Age: 29.27

Historical population

The population of San Isidro grew from 834 in 1990 to 1,103 in 2020, an increase of 269 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.41%, or a decrease of 22 people, from the previous population of 1,125 in 2015.

Population of San Isidro (1990‑2020)
Census datePopulationGrowth rate
834
8660.71%
9151.19%
1,0221.54%
1,0581.27%
1,1251.18%
1,103-0.41%

Location

San Isidro is situated at approximately 18.1191, 120.6518, in the island of Luzon. Elevation at these coordinates is estimated at 27.0 meters or 88.6 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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