Santa Maria, Province of Ilocos Sur

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
Barangay count33
Postal code2705
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea
Philippine major island(s)Luzon
Area (2007)63.31 km2 (24.44 sq mi)
Population (2015)30,321
Density (2015)479 / km2 (1,241 / sq mi)
Coordinates17° 22' North, 120° 29' East (17.3676, 120.4807)
Estimated elevation above sea level8.7 meters (28.6 feet)

Santa Maria is a coastal municipality in the province of Ilocos Sur.

The municipality has a land area of 63.31 square kilometers or 24.44 square miles which constitutes 2.44% of Ilocos Sur's total area. Its population as determined by the 2015 Census was 30,321. This represented 4.40% of the total population of Ilocos Sur province, or 0.60% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 479 inhabitants per square kilometer or 1,241 inhabitants per square mile.

Barangays

Santa Maria has 33 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)
Ag‑agrao3.32%1,0061,007-0.10%-0.02%
Ampuagan1.91%5795466.04%1.12%
Baballasioan2.54%7697601.18%0.22%
Baliw Daya1.50%4564208.57%1.58%
Baliw Laud1.93%584703-16.93%-3.47%
Bia‑o1.90%5775485.29%0.99%
Butir2.39%724733-1.23%-0.23%
Cabaroan4.90%1,4851,4135.10%0.95%
Danuman East1.44%4364096.60%1.22%
Danuman West2.11%6396281.75%0.33%
Dunglayan2.76%83775910.28%1.88%
Gusing3.80%1,1531,04710.12%1.85%
Langaoan2.24%6786504.31%0.81%
Laslasong Norte3.17%9609491.16%0.22%
Laslasong Sur2.08%6306280.32%0.06%
Laslasong West0.63%190212-10.38%-2.06%
Lesseb0.69%20918314.21%2.56%
Lingsat6.78%2,0571,73618.49%3.28%
Lubong3.17%9609362.56%0.48%
Maynganay Norte2.86%868928-6.47%-1.26%
Maynganay Sur2.69%81773710.85%1.98%
Nagsayaoan2.60%78765120.89%3.68%
Nagtupacan2.57%778780-0.26%-0.05%
Nalvo4.95%1,5001,531-2.02%-0.39%
Pacang2.34%7116962.16%0.41%
Penned0.64%1931930.00%0.00%
Poblacion Norte3.91%1,1861,04113.93%2.51%
Poblacion Sur6.69%2,0281,9812.37%0.45%
Silag4.61%1,3991,2908.45%1.56%
Sumagui0.86%2612533.16%0.59%
Suso8.66%2,6262,02729.55%5.05%
Tangaoan3.97%1,2031,1692.91%0.55%
Tinaan3.41%1,0351,053-1.71%-0.33%
Santa Maria Total30,32128,5976.03%1.12%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Santa Maria for the fiscal year of 2016 was 89,168,521.34.

details
Fiscal YearAnnual Regular IncomeChange
200954,686,213.55
2010103,206,999.0488.73%
2011141,318,131.8636.93%
201293,276,964.42-34.00%
2013102,982,570.8510.41%
201474,108,814.23-28.04%
201580,794,914.939.02%
201689,168,521.3410.36%

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 Santa Maria is 10 to 14, with 2,885 individuals. Conversely, the age group with the lowest population is Under 1, with 485 individuals.

details
Age groupPopulation (2015)
Under 1485
1 to 42,250
5 to 92,851
10 to 142,885
15 to 192,711
20 to 242,702
25 to 292,289
30 to 342,257
35 to 392,021
40 to 441,728
45 to 491,789
50 to 541,574
55 to 591,258
60 to 641,071
65 to 69778
70 to 74598
75 to 79511
80 and over563
Total30,321

Historical population

The population of Santa Maria grew from 16,313 in 1960 to 30,321 in 2015, an increase of 14,008 people. The latest census figures in 2015 denote a positive growth rate of 1.12%, or an increase of 1,724 people, from the previous population of 28,597 in 2010.

details
Census datePopulationGrowth rate
16,313
18,8191.41%
19,8571.08%
21,3081.42%
23,8211.12%
24,5800.59%
26,3961.54%
28,0020.82%
28,5970.77%
30,3211.12%

Location

The municipal center of Santa Maria is situated at approximately 17° 22' North, 120° 29' East, in the island of Luzon. Elevation at these coordinates is estimated at 8.7 meters or 28.6 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 Santa Maria are Candon, Vigan, Batac, San Fernando, Laoag, and Baguio. The nearest municipalities are Narvacan, San Esteban, Burgos, Santiago, Nagbukel, and Lidlidda. Its distance from the national capital is 311.91 kilometers (193.81 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 311.91 kilometers (193.81 miles) to the South (S10°E)

National rankings

  • Population (2015): 30,321, ranked 910 out of 1,634
  • Land area (2007): 24.44 square kilometers, ranked 1,272 out of 1,634
  • Population density (2015): 479 inhabitants per square kilometer, ranked 389 out of 1,634
  • Annual population growth rate (2010 to 2015): 1.12%, ranked 1,471 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.
(Back to top)