Casini, Municipality of Irosin, Province of Sorsogon

Summary data
Typebarangay
Island groupLuzon
RegionBicol Region (Region V)
ProvinceSorsogon
MunicipalityIrosin
Postal code4707
Population (2020)1,106
Philippine major island(s)Luzon
Coordinates12.6767, 123.9946 (12° 41' North, 123° 60' East)
Estimated elevation above sea level53.9 meters (176.8 feet)

Casini is a barangay in the municipality of Irosin, in the province of Sorsogon. Its population as determined by the 2020 Census was 1,106. This represented 1.87% of the total population of Irosin.

Demographics

Households

The household population of Casini in the 2015 Census was 1,155 broken down into 258 households or an average of 4.48 members per household.

details
Number of households in Casini (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
7551375.51
8361605.23
9521745.47
1,1262334.83
1,1162314.83
1,1552584.48

Population by age group

According to the 2015 Census, the age group with the highest population in Casini is 5 to 9, with 160 individuals. Conversely, the age group with the lowest population is 75 to 79, with 13 individuals.

details
Population of Casini by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1272.34%
1 to 4998.57%
5 to 916013.85%
10 to 1413211.43%
15 to 1911810.22%
20 to 24948.14%
25 to 29695.97%
30 to 34746.41%
35 to 39726.23%
40 to 44554.76%
45 to 49524.50%
50 to 54453.90%
55 to 59524.50%
60 to 64332.86%
65 to 69231.99%
70 to 74191.65%
75 to 79131.13%
80 and over181.56%
Total1,155100.00%
  • Youth Dependency Ratio: 62.95
  • Old Age Dependency Ratio: 10.99
  • Total Dependency Ratio: 73.94
  • Median Age: 22.21

Historical population

The population of Casini grew from 755 in 1990 to 1,106 in 2020, an increase of 351 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.91%, or a decrease of 49 people, from the previous population of 1,155 in 2015.

Population of Casini (1990‑2020)
Census datePopulationGrowth rate
755
8361.93%
9522.83%
1,1262.34%
1,116-0.32%
1,1550.66%
1,106-0.91%

Location

Casini is situated at approximately 12.6767, 123.9946, in the island of Luzon. Elevation at these coordinates is estimated at 53.9 meters or 176.8 feet above mean sea level.


Adjacent barangays

Casini 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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