Don Alejandro Quirolgico, Municipality of Caoayan, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalityCaoayan
Postal code2702
Population (2020)1,163
Philippine major island(s)Luzon
Coordinates17.5460, 120.3820 (17° 33' North, 120° 23' East)
Estimated elevation above sea level7.8 meters (25.6 feet)

Don Alejandro Quirolgico, formerly Poblacion, is a barangay in the municipality of Caoayan, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 1,163. This represented 5.94% of the total population of Caoayan.

Demographics

Households

The household population of Don Alejandro Quirolgico in the 2015 Census was 1,268 broken down into 305 households or an average of 4.16 members per household.

details
Number of households in Don Alejandro Quirolgico (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
0
9632064.67
1,1602464.72
1,1722474.74
1,0892644.13
1,2683054.16

Population by age group

According to the 2015 Census, the age groups with the highest population in Don Alejandro Quirolgico are in the ranges 10 to 14, and 15 to 19, with 108 individuals. Conversely, the age group with the lowest population is 80 and over, with 14 individuals.

details
Population of Don Alejandro Quirolgico by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1211.66%
1 to 4957.49%
5 to 91007.89%
10 to 141088.52%
15 to 191088.52%
20 to 241038.12%
25 to 29987.73%
30 to 34907.10%
35 to 39776.07%
40 to 44786.15%
45 to 49987.73%
50 to 54725.68%
55 to 59624.89%
60 to 64473.71%
65 to 69403.15%
70 to 74332.60%
75 to 79241.89%
80 and over141.10%
Total1,268100.00%
  • Youth Dependency Ratio: 38.9
  • Old Age Dependency Ratio: 13.33
  • Total Dependency Ratio: 52.23
  • Median Age: 30.06

Historical population

The population of Don Alejandro Quirolgico grew from 963 in 1995 to 1,163 in 2020, an increase of 200 people over the course of 25 years. The latest census figures in 2020 denote a negative growth rate of 1.80%, or a decrease of 105 people, from the previous population of 1,268 in 2015.

Population of Don Alejandro Quirolgico (1990‑2020)
Census datePopulationGrowth rate
963
1,1654.17%
1,1720.08%
1,090-2.61%
1,2682.92%
1,163-1.80%

Location

Don Alejandro Quirolgico is situated at approximately 17.5460, 120.3820, in the island of Luzon. Elevation at these coordinates is estimated at 7.8 meters or 25.6 feet above mean sea level.


Adjacent barangays

Don Alejandro Quirolgico 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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