San Isidro, Municipality of Libmanan, Province of Camarines Sur

Summary data
Typebarangay
Island groupLuzon
RegionBicol Region (Region V)
ProvinceCamarines Sur
MunicipalityLibmanan
Postal code4407
Population (2020)4,000
Philippine major island(s)Luzon
Coordinates13.6688, 123.0102 (13° 40' North, 123° 1' East)
Estimated elevation above sea level11.0 meters (36.1 feet)

San Isidro is a barangay in the municipality of Libmanan, in the province of Camarines Sur. Its population as determined by the 2020 Census was 4,000. This represented 3.54% of the total population of Libmanan.

Demographics

Households

The household population of San Isidro in the 2015 Census was 3,447 broken down into 735 households or an average of 4.69 members per household.

details
Number of households in San Isidro (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
2,5764635.56
3,0195645.35
3,1546135.15
3,4216625.17
3,4877404.71
3,4477354.69

Population by age group

According to the 2015 Census, the age group with the highest population in San Isidro is 5 to 9, with 466 individuals. Conversely, the age group with the lowest population is 75 to 79, with 24 individuals.

details
Population of San Isidro by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1872.52%
1 to 436510.59%
5 to 946613.52%
10 to 1446213.40%
15 to 1935510.30%
20 to 242537.34%
25 to 292065.98%
30 to 342025.86%
35 to 392005.80%
40 to 441745.05%
45 to 491594.61%
50 to 541253.63%
55 to 591173.39%
60 to 64912.64%
65 to 69822.38%
70 to 74481.39%
75 to 79240.70%
80 and over310.90%
Total3,447100.00%
  • Youth Dependency Ratio: 73.33
  • Old Age Dependency Ratio: 9.83
  • Total Dependency Ratio: 83.16
  • Median Age: 19.84

Historical population

The population of San Isidro grew from 2,601 in 1990 to 4,000 in 2020, an increase of 1,399 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 3.18%, or an increase of 553 people, from the previous population of 3,447 in 2015.

Population of San Isidro (1990‑2020)
Census datePopulationGrowth rate
2,601
3,0232.86%
3,1540.91%
3,4211.13%
3,4870.70%
3,447-0.22%
4,0003.18%

Location

San Isidro is situated at approximately 13.6688, 123.0102, in the island of Luzon. Elevation at these coordinates is estimated at 11.0 meters or 36.1 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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