Santo Tomas, Province of La Union

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceLa Union
Barangay count24
Postal code2505
Coastal/Landlockedcoastal
Marine waterbodiesLingayen Gulf [South China Sea]
Philippine major island(s)Luzon
Area (2013)64.00 km2 (24.71 sq mi)
Population (2020)40,846
Density (2020)638 / km2 (1,653 / sq mi)
Coordinates16° 17' North, 120° 23' East (16.2845, 120.3885)
Estimated elevation above sea level11.5 meters (37.8 feet)

Santo Tomas is a coastal municipality in the province of La Union.

The municipality has a land area of 64.00 square kilometers or 24.71 square miles which constitutes 4.27% of La Union's total area. Its population as determined by the 2020 Census was 40,846. This represented 4.97% of the total population of La Union province, or 0.77% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 638 inhabitants per square kilometer or 1,653 inhabitants per square mile.

Barangays

Santo Tomas has 24 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Santo Tomas
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Ambitacay1.65%675687-1.75%-0.37%
Bail6.03%2,4622,3972.71%0.56%
Balaoc3.81%1,5581,34415.92%3.16%
Balsaan2.23%9098724.24%0.88%
Baybay4.04%1,6511,37919.72%3.86%
Cabaruan4.23%1,7271,37225.87%4.96%
Casantaan5.91%2,4132,13712.92%2.59%
Casilagan4.02%1,6421,5684.72%0.98%
Cupang3.91%1,5991,4847.75%1.58%
Damortis6.62%2,7032,750-1.71%-0.36%
Fernando3.71%1,5171,35911.63%2.34%
Linong2.06%8428054.60%0.95%
Lomboy3.76%1,5371,35013.85%2.77%
Malabago1.14%466534-12.73%-2.83%
Namboongan6.03%2,4642,480-0.65%-0.14%
Namonitan4.44%1,8152,152-15.66%-3.52%
Narvacan1.54%6295945.89%1.21%
Patac8.34%3,4053,1498.13%1.66%
Poblacion4.29%1,7531,938-9.55%-2.09%
Pongpong4.45%1,8181,57315.58%3.09%
Raois2.57%1,0481,077-2.69%-0.57%
Tococ2.95%1,2051,269-5.04%-1.08%
Tubod7.85%3,2052,89210.82%2.19%
Ubagan4.41%1,8031,930-6.58%-1.42%
Santo Tomas Total40,84639,0924.49%0.93%

Economy

The annual regular revenue of Santo Tomas for the fiscal year of 2016 was 117,877,158.05.

details
Annual regular income of Santo Tomas (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
200949,378,262.93
2010141,900,082.84187.37%
201170,028,099.27-50.65%
201267,125,699.42-4.14%
2013113,865,363.2769.63%
201471,538,547.91-37.17%
2015108,772,480.5552.05%
2016117,877,158.058.37%

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

Households

The household population of Santo Tomas in the 2015 Census was 39,066 broken down into 8,996 households or an average of 4.34 members per household.

details
Number of households in Santo Tomas (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
27,3304,8645.62
28,1905,8314.83
31,2045,9565.24
33,5297,1984.66
35,9937,9864.51
39,0668,9964.34

Population by age group

According to the 2015 Census, the age group with the highest population in Santo Tomas is 5 to 9, with 4,081 individuals. Conversely, the age group with the lowest population is 80 and over, with 416 individuals.

details
Population of Santo Tomas by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 17902.02%
1 to 43,4328.78%
5 to 94,08110.44%
10 to 143,7509.59%
15 to 193,8119.75%
20 to 243,5309.03%
25 to 293,1167.97%
30 to 342,8277.23%
35 to 392,5746.58%
40 to 442,1675.54%
45 to 492,0845.33%
50 to 541,9214.91%
55 to 591,5283.91%
60 to 641,1682.99%
65 to 699362.39%
70 to 745071.30%
75 to 794541.16%
80 and over4161.06%
Total39,092100.00%
  • Youth Dependency Ratio: 48.75
  • Old Age Dependency Ratio: 9.35
  • Total Dependency Ratio: 58.1
  • Median Age: 25.24

Historical population

The population of Santo Tomas grew from 5,446 in 1903 to 40,846 in 2020, an increase of 35,400 people over the course of 117 years. The latest census figures in 2020 denote a positive growth rate of 0.93%, or an increase of 1,754 people, from the previous population of 39,092 in 2015.

details
Population of Santo Tomas (1903‑2020)
Census datePopulationGrowth rate
5,446
8,0462.50%
10,3521.27%
12,8972.28%
14,9291.29%
19,4822.64%
21,3411.85%
22,6101.16%
27,3521.92%
28,1920.57%
31,2042.20%
33,6041.03%
35,9992.54%
39,0921.58%
40,8460.93%

The total number of registered voters or electorate in Santo Tomas for the year 2019 was 24,805, broken down into 12,248 males and 12,557 females.

Location

The municipal center of Santo Tomas is situated at approximately 16° 17' North, 120° 23' East, in the island of Luzon. Elevation at these coordinates is estimated at 11.5 meters or 37.8 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 Santo Tomas are Baguio, Dagupan, Pangasinan, San Fernando, La Union, Urdaneta, Pangasinan, San Carlos, Pangasinan, and Alaminos, Pangasinan. The nearest municipalities are Agoo, La Union, Tubao, La Union, Pugo, La Union, Rosario, La Union, Aringay, La Union, and Caba, La Union. Its distance from the national capital is 197.92 kilometers (122.98 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

  • Agoo, La Union, 4.80 kilometers (2.98 miles) to the North‑Northwest (N30°W)
  • Tubao, La Union, 7.37 kilometers (4.58 miles) to the North‑Northeast (N21°E)
  • Pugo, La Union, 9.31 kilometers (5.79 miles) to the East‑Northeast (N65°E)
  • Rosario, La Union, 12.27 kilometers (7.62 miles) to the East‑Southeast (S60°E)
  • Aringay, La Union, 12.78 kilometers (7.94 miles) to the North‑Northwest (N16°W)
  • Caba, La Union, 16.88 kilometers (10.49 miles) to the North‑Northwest (N16°W)

Nearest cities

Distance from Manila: 197.92 kilometers (122.98 miles) to the South‑Southeast (S19°E)

Notes

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