Sinait, Province of Ilocos Sur

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
Barangay count44
Postal code2733
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea
Philippine major island(s)Luzon
Area (2007)65.56 km2 (25.31 sq mi)
Population (2015)25,640
Density (2015)391 / km2 (1,013 / sq mi)
Coordinates17° 52' North, 120° 27' East (17.8664, 120.4561)
Estimated elevation above sea level10.8 meters (35.3 feet)

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

The municipality has a land area of 65.56 square kilometers or 25.31 square miles which constitutes 2.53% of Ilocos Sur's total area. Its population as determined by the 2015 Census was 25,640. This represented 3.72% of the total population of Ilocos Sur province, or 0.51% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 391 inhabitants per square kilometer or 1,013 inhabitants per square mile.

Barangays

Sinait has 44 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)
Aguing1.25%3213084.22%0.79%
Baliw0.91%23319320.73%3.65%
Ballaigui2.53%649659-1.52%-0.29%
Baracbac2.86%734775-5.29%-1.03%
Barikir1.67%429455-5.71%-1.11%
Battog1.88%483506-4.55%-0.88%
Binacud1.24%3192987.05%1.31%
Cabangtalan2.00%5134767.77%1.44%
Cabarambanan1.42%364402-9.45%-1.87%
Cabulalaan1.24%319359-11.14%-2.22%
Cadanglaan1.33%340347-2.02%-0.39%
Calanutian2.22%569575-1.04%-0.20%
Calingayan1.05%2702623.05%0.57%
Curtin1.29%332346-4.05%-0.78%
Dadalaquiten Norte3.05%7837820.13%0.02%
Dadalaquiten Sur2.96%7607176.00%1.12%
Dean Leopoldo Yabes6.28%1,6111,5633.07%0.58%
Duyayyat1.96%50345111.53%2.10%
Jordan2.04%522550-5.09%-0.99%
Katipunan3.88%9941,012-1.78%-0.34%
Macabiag3.17%812863-5.91%-1.15%
Magsaysay2.49%6396114.58%0.86%
Marnay1.41%36129621.96%3.85%
Masadag2.37%60850320.87%3.68%
Nagbalioartian2.00%5124806.67%1.24%
Nagcullooban1.69%4334300.70%0.13%
Nagongburan1.51%3863655.75%1.07%
Namnama2.91%746784-4.85%-0.94%
Pacis2.59%6646118.67%1.60%
Paratong5.66%1,4521,3934.24%0.79%
Purag1.94%497510-2.55%-0.49%
Quibit‑quibit1.54%394442-10.86%-2.17%
Quimmallogong1.37%352368-4.35%-0.84%
Rang‑ay2.13%546572-4.55%-0.88%
Ricudo1.86%477486-1.85%-0.36%
Sabañgan3.59%9218854.07%0.76%
Sallacapo1.39%3573472.88%0.54%
Santa Cruz3.35%8588471.30%0.25%
Sapriana2.20%5645355.42%1.01%
Tapao2.87%736762-3.41%-0.66%
Teppeng5.20%1,3331,3071.99%0.38%
Tubigay1.42%363391-7.16%-1.40%
Ubbog1.01%260287-9.41%-1.86%
Zapat1.25%3213161.58%0.30%
Sinait Total25,64025,4270.84%0.16%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Sinait for the fiscal year of 2016 was 289,589,957.93.

details
Fiscal YearAnnual Regular IncomeChange
200951,712,613.94
2010100,920,756.7895.16%
201192,991,627.01-7.86%
201285,345,235.32-8.22%
201386,049,153.420.82%
201465,100,082.66-24.35%
2015162,277,951.39149.27%
2016289,589,957.9378.45%

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 Sinait is 5 to 9, with 2,446 individuals. Conversely, the age group with the lowest population is Under 1, with 432 individuals.

details
Age groupPopulation (2015)
Under 1432
1 to 41,826
5 to 92,446
10 to 142,315
15 to 192,088
20 to 242,049
25 to 291,984
30 to 341,904
35 to 391,814
40 to 441,559
45 to 491,591
50 to 541,331
55 to 591,083
60 to 64865
65 to 69726
70 to 74576
75 to 79491
80 and over560
Total25,640

Historical population

The population of Sinait grew from 15,170 in 1960 to 25,640 in 2015, an increase of 10,470 people. The latest census figures in 2015 denote a positive growth rate of 0.16%, or an increase of 213 people, from the previous population of 25,427 in 2010.

details
Census datePopulationGrowth rate
15,170
16,4290.78%
17,9521.79%
19,0501.19%
21,7791.35%
22,6080.70%
24,0701.35%
24,8960.47%
25,4270.77%
25,6400.16%

Location

The municipal center of Sinait is situated at approximately 17° 52' North, 120° 27' East, in the island of Luzon. Elevation at these coordinates is estimated at 10.8 meters or 35.3 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 Sinait are Batac, Vigan, Laoag, Candon, Tabuk, and San Fernando. The nearest municipalities are Badoc, Cabugao, Pinili, San Juan, Currimao, and Magsingal. Its distance from the national capital is 366.80 kilometers (227.92 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 366.80 kilometers (227.92 miles) to the South (S9°E)

National rankings

  • Population (2015): 25,640, ranked 1,049 out of 1,634
  • Land area (2007): 25.31 square kilometers, ranked 1,256 out of 1,634
  • Population density (2015): 391 inhabitants per square kilometer, ranked 498 out of 1,634
  • Annual population growth rate (2010 to 2015): 0.16%, ranked 1,432 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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