Siayan Proper, Municipality of Siayan, Province of Zamboanga del Norte

Summary data
Typebarangay
Island groupMindanao
RegionZamboanga Peninsula (Region IX)
ProvinceZamboanga del Norte
MunicipalitySiayan
Postal code7113
Population (2020)3,748
Philippine major island(s)Mindanao
Coordinates8.2521, 123.1121 (8° 15' North, 123° 7' East)
Estimated elevation above sea level71.2 meters (233.6 feet)

Siayan Proper, formerly Poblacion, is a barangay in the municipality of Siayan, in the province of Zamboanga del Norte. Its population as determined by the 2020 Census was 3,748. This represented 10.34% of the total population of Siayan.

Demographics

Households

The household population of Siayan Proper in the 2015 Census was 3,931 broken down into 803 households or an average of 4.90 members per household.

details
Number of households in Siayan Proper (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
3,1585875.38
2,4454465.48
2,5234795.27
3,4347154.80
3,7217794.78
3,9318034.90

Population by age group

According to the 2015 Census, the age group with the highest population in Siayan Proper is 10 to 14, with 534 individuals. Conversely, the age group with the lowest population is 75 to 79, with 35 individuals.

details
Population of Siayan Proper by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1792.01%
1 to 43909.92%
5 to 949312.54%
10 to 1453413.58%
15 to 1940710.35%
20 to 242777.05%
25 to 292656.74%
30 to 342526.41%
35 to 392616.64%
40 to 442225.65%
45 to 491834.66%
50 to 541644.17%
55 to 591323.36%
60 to 641052.67%
65 to 69571.45%
70 to 74370.94%
75 to 79350.89%
80 and over380.97%
Total3,931100.00%
  • Youth Dependency Ratio: 65.96
  • Old Age Dependency Ratio: 7.36
  • Total Dependency Ratio: 73.32
  • Median Age: 21.13

Historical population

The population of Siayan Proper grew from 3,167 in 1990 to 3,748 in 2020, an increase of 581 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 1.00%, or a decrease of 183 people, from the previous population of 3,931 in 2015.

Population of Siayan Proper (1990‑2020)
Census datePopulationGrowth rate
3,167
2,447-4.72%
2,5921.24%
3,4343.96%
3,7212.96%
3,9311.05%
3,748-1.00%

Location

Siayan Proper is situated at approximately 8.2521, 123.1121, in the island of Mindanao. Elevation at these coordinates is estimated at 71.2 meters or 233.6 feet above mean sea level.


Adjacent barangays

Siayan Proper 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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