San Isidro, Municipality of Naguilian, Province of La Union

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceLa Union
MunicipalityNaguilian
Postal code2511
Population (2020)899
Philippine major island(s)Luzon
Coordinates16.4762, 120.4185 (16° 29' North, 120° 25' East)
Estimated elevation above sea level54.9 meters (180.1 feet)

San Isidro is a barangay in the municipality of Naguilian, in the province of La Union. Its population as determined by the 2020 Census was 899. This represented 1.72% of the total population of Naguilian.

Demographics

Households

The household population of San Isidro in the 2015 Census was 933 broken down into 202 households or an average of 4.62 members per household.

details
Number of households in San Isidro (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
6981265.54
8161465.59
8731386.33
8801804.89
9031814.99
9332024.62

Population by age group

According to the 2015 Census, the age group with the highest population in San Isidro is 10 to 14, with 90 individuals. Conversely, the age group with the lowest population is 75 to 79, with 10 individuals.

details
Population of San Isidro by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1202.14%
1 to 4778.25%
5 to 9778.25%
10 to 14909.65%
15 to 19838.90%
20 to 24879.32%
25 to 29899.54%
30 to 34727.72%
35 to 39606.43%
40 to 44495.25%
45 to 49434.61%
50 to 54505.36%
55 to 59343.64%
60 to 64394.18%
65 to 69252.68%
70 to 74171.82%
75 to 79101.07%
80 and over111.18%
Total933100.00%
  • Youth Dependency Ratio: 43.56
  • Old Age Dependency Ratio: 10.4
  • Total Dependency Ratio: 53.96
  • Median Age: 26.83

Historical population

The population of San Isidro grew from 698 in 1990 to 899 in 2020, an increase of 201 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.78%, or a decrease of 34 people, from the previous population of 933 in 2015.

Population of San Isidro (1990‑2020)
Census datePopulationGrowth rate
698
8162.97%
8731.46%
8800.11%
9030.94%
9330.62%
899-0.78%

Location

San Isidro is situated at approximately 16.4762, 120.4185, in the island of Luzon. Elevation at these coordinates is estimated at 54.9 meters or 180.1 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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