Caoayan, Province of Ilocos Sur

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
Barangay count17
Postal code2702
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea
Philippine major island(s)Luzon
Area (2007)17.42 km2 (6.73 sq mi)
Population (2015)19,861
Density (2015)1,140 / km2 (2,951 / sq mi)
Coordinates17° 33' North, 120° 23' East (17.5477, 120.3833)
Estimated elevation above sea level8.0 meters (26.2 feet)

Caoayan is a coastal municipality in the province of Ilocos Sur.

The municipality has a land area of 17.42 square kilometers or 6.73 square miles which constitutes 0.67% of Ilocos Sur's total area. Its population as determined by the 2015 Census was 19,861. This represented 2.88% of the total population of Ilocos Sur province, or 0.40% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 1,140 inhabitants per square kilometer or 2,951 inhabitants per square mile.

Barangays

Caoayan has 17 barangays as shown in the following table.

Demographic profile of barangays
BarangayPopulation percentage (2015)Population (2015)Population (2010)Change (2010‑2015)Annual Population Growth Rate (2010‑2015)
Anonang Mayor5.34%1,0611,0114.95%0.92%
Anonang Menor4.41%8768720.46%0.09%
Baggoc3.77%74966812.13%2.20%
Callaguip5.00%9949395.86%1.09%
Caparacadan1.89%3763517.12%1.32%
Don Alejandro Quirolgico6.38%1,2681,09016.33%2.92%
Don Dimas Querubin5.06%1,0059960.90%0.17%
Don Lorenzo Querubin5.22%1,0361,0360.00%0.00%
Fuerte13.65%2,7112,5785.16%0.96%
Manangat5.23%1,03893311.25%2.05%
Naguilian7.21%1,4321,28311.61%2.11%
Nansuagao3.88%77066515.79%2.83%
Pandan6.50%1,2911,17010.34%1.89%
Pantay Tamurong10.17%2,0201,8847.22%1.34%
Pantay‑Quitiquit2.12%42236116.90%3.02%
Puro6.18%1,2271,2071.66%0.31%
Villamar7.98%1,5851,5075.18%0.97%
Caoayan Total19,86118,5517.06%1.31%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Caoayan for the fiscal year of 2016 was 90,836,853.07.

details
Fiscal YearAnnual Regular IncomeChange
200934,014,932.37
201064,259,878.2588.92%
201156,890,863.54-11.47%
201254,376,510.34-4.42%
201353,016,366.69-2.50%
201443,951,586.95-17.10%
201569,427,239.8857.96%
201690,836,853.0730.84%

End notes:

  • Annual Regular Income = Locally Sourced Revenue + Internal Revenue Allotment (IRA) Current Year + Other Shares from National Tax Collection
  • Locally Sourced Revenue = Real Property Tax (General Fund) + Tax on Business + Other Taxes + Regulatory Fees + Service/User Charges + Receipts from Economic Enterprises

Demographics

Population by age group

According to the 2015 Census, the age group with the highest population in Caoayan is 5 to 9, with 1,833 individuals. Conversely, the age group with the lowest population is 75 to 79, with 292 individuals.

details
Age groupPopulation (2015)
Under 1319
1 to 41,525
5 to 91,833
10 to 141,817
15 to 191,729
20 to 241,698
25 to 291,574
30 to 341,436
35 to 391,325
40 to 441,190
45 to 491,236
50 to 541,013
55 to 59907
60 to 64674
65 to 69516
70 to 74428
75 to 79292
80 and over349
Total19,861

Historical population

The population of Caoayan grew from 11,045 in 1960 to 19,861 in 2015, an increase of 8,816 people. The latest census figures in 2015 denote a positive growth rate of 1.31%, or an increase of 1,310 people, from the previous population of 18,551 in 2010.

details
Census datePopulationGrowth rate
11,045
12,6701.35%
13,3751.09%
14,0701.02%
15,6371.06%
15,7990.19%
17,1991.84%
18,9141.32%
18,551-0.70%
19,8611.31%

Location

The municipal center of Caoayan is situated at approximately 17° 33' North, 120° 23' East, in the island of Luzon. Elevation at these coordinates is estimated at 8.0 meters or 26.2 feet above mean sea level.


Distances

Based on the great-circle distance (the shortest distance between two points over the surface of the Earth), the cities closest to Caoayan are Vigan, Candon, Batac, Laoag, San Fernando, and Tabuk. The nearest municipalities are Bantay, Santa Catalina, San Vicente, San Ildefonso, Santa, and Santo Domingo. Its distance from the national capital is 333.40 kilometers (207.16 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 333.40 kilometers (207.16 miles) to the South (S11°E)

National rankings

  • Population (2015): 19,861, ranked 1,250 out of 1,634
  • Land area (2007): 6.73 square kilometers, ranked 1,583 out of 1,634
  • Population density (2015): 1,140 inhabitants per square kilometer, ranked 143 out of 1,634
  • Annual population growth rate (2010 to 2015): 1.31%, ranked 236 out of 1,634

Notes

  1. Unless otherwise specified, population count (excluding percentages) and land area figures are derived from the Philippine Statistics Authority.
  2. Data on annual regular income is from the Bureau of Local Government Finance, Department of Finance
  3. Postal code information is from the Philippine Postal Corporation.
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