Calasag, Municipality of San Ildefonso, Province of Bulacan

Summary data
Typebarangay
Island groupLuzon
RegionCentral Luzon (Region III)
ProvinceBulacan
MunicipalitySan Ildefonso
Postal code3010
Population (2015)3,578
Philippine major island(s)Luzon
Coordinates15.0688, 120.9779

Calasag is a barangay in the municipality of San Ildefonso, in the province of Bulacan. Its population as determined by the 2015 Census was 3,578. This represented 3.42% of the total population of San Ildefonso.

Demographics

Population by age group

According to the 2015 Census, the age group with the highest population in Calasag is 15 to 19, with 407 individuals. Conversely, the age group with the lowest population is 75 to 79, with 20 individuals.

details
Age groupPopulation (2015)
Under 156
1 to 4260
5 to 9332
10 to 14365
15 to 19407
20 to 24374
25 to 29305
30 to 34237
35 to 39260
40 to 44211
45 to 49217
50 to 54168
55 to 59134
60 to 6499
65 to 6964
70 to 7436
75 to 7920
80 and over33
Total3,578

Historical population

The population of Calasag grew from 1,735 in 1990 to 3,578 in 2015, an increase of 1,843 people. The latest census figures in 2015 denote a positive growth rate of 1.93%, or an increase of 341 people, from the previous population of 3,237 in 2010.

Census datePopulationGrowth rate
1,735
2,3075.48%
2,7643.95%
3,1281.72%
3,2371.25%
3,5781.93%

Location

Calasag is situated at approximately 15.0688, 120.9779, in the island of Luzon. Elevation at these coordinates is estimated at 21.9 meters or 71.8 feet above mean sea level.


Adjacent barangays

Calasag shares a common border with the following barangay(s):

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Notes

  1. Data on population is from the Philippine Statistics Authority.
  2. Postal code information is from the Philippine Postal Corporation.