Naguilian, Province of La Union

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceLa Union
Barangay count37
Postal code2511
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2013)104.60 km2 (40.39 sq mi)
Population (2020)52,189
Density (2020)499 / km2 (1,292 / sq mi)
Coordinates16° 32' North, 120° 24' East (16.5321, 120.3958)
Estimated elevation above sea level23.9 meters (78.4 feet)

Naguilian is a landlocked municipality in the coastal province of La Union.

The municipality has a land area of 104.60 square kilometers or 40.39 square miles which constitutes 6.98% of La Union's total area. Its population as determined by the 2020 Census was 52,189. This represented 6.35% of the total population of La Union province, or 0.98% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 499 inhabitants per square kilometer or 1,292 inhabitants per square mile.

Barangays

Naguilian has 37 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Naguilian
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Aguioas2.02%1,05393412.74%2.56%
Al-alinao Norte2.59%1,3531,450-6.69%-1.45%
Al-alinao Sur1.91%9979821.53%0.32%
Ambaracao Norte3.52%1,8351,8031.77%0.37%
Ambaracao Sur1.55%8071,023-21.11%-4.87%
Angin1.66%8648570.82%0.17%
Balecbec1.82%9481,025-7.51%-1.63%
Bancagan2.20%1,1501,271-9.52%-2.08%
Baraoas Norte1.94%1,0121,017-0.49%-0.10%
Baraoas Sur6.79%3,5423,4791.81%0.38%
Bariquir4.41%2,3031,98615.96%3.17%
Bato3.21%1,6751,754-4.50%-0.97%
Bimmotobot2.19%1,1441,169-2.14%-0.45%
Cabaritan Norte1.12%5825535.24%1.08%
Cabaritan Sur3.91%2,0402,052-0.58%-0.12%
Casilagan4.20%2,1922,210-0.81%-0.17%
Dal-lipaoen3.44%1,7931,935-7.34%-1.59%
Daramuangan2.27%1,1851,200-1.25%-0.26%
Guesset2.35%1,2241,478-17.19%-3.89%
Gusing Norte2.99%1,5621,617-3.40%-0.73%
Gusing Sur2.73%1,4271,622-12.02%-2.66%
Imelda2.20%1,1471,431-19.85%-4.55%
Lioac Norte3.01%1,5721,5292.81%0.59%
Lioac Sur2.47%1,2911,434-9.97%-2.19%
Magungunay1.67%869906-4.08%-0.87%
Mamat-ing Norte1.51%7901,136-30.46%-7.36%
Mamat-ing Sur2.53%1,3181,2892.25%0.47%
Nagsidorisan1.99%1,0401,131-8.05%-1.75%
Natividad6.01%3,1353,201-2.06%-0.44%
Ortiz5.33%2,7842,968-6.20%-1.34%
Ribsuan1.99%1,0371,151-9.90%-2.17%
San Antonio1.79%9329151.86%0.39%
San Isidro1.72%899933-3.64%-0.78%
Sili2.45%1,2781,291-1.01%-0.21%
Suguidan Norte1.77%9228933.25%0.67%
Suguidan Sur1.66%8671,044-16.95%-3.83%
Tuddingan3.10%1,6201,5524.38%0.91%
Naguilian Total52,18954,221-3.75%-0.80%

Economy

The annual regular revenue of Naguilian for the fiscal year of 2016 was ₱205,140,052.99.

details
Annual regular income of Naguilian (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
200981,444,994.68–
2010105,417,972.3529.43%
2011108,485,205.102.91%
2012104,666,387.95-3.52%
2013110,717,787.445.78%
2014114,808,418.263.69%
2015148,234,805.9029.11%
2016205,140,052.9938.39%

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 Naguilian in the 2015 Census was 54,159 broken down into 12,161 households or an average of 4.45 members per household.

details
Number of households in Naguilian (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
36,2936,6935.42
39,9627,7815.14
43,4568,5335.09
45,20210,1134.47
48,29410,7534.49
54,15912,1614.45

Population by age group

According to the 2015 Census, the age group with the highest population in Naguilian is 15 to 19, with 5,084 individuals. Conversely, the age group with the lowest population is 75 to 79, with 774 individuals.

details
Population of Naguilian by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 18991.66%
1 to 43,9307.25%
5 to 94,9649.16%
10 to 145,0809.37%
15 to 195,0849.38%
20 to 244,8088.87%
25 to 294,5218.34%
30 to 344,0737.51%
35 to 393,6856.80%
40 to 443,3106.10%
45 to 493,2245.95%
50 to 542,8195.20%
55 to 592,3344.30%
60 to 641,8583.43%
65 to 691,2732.35%
70 to 747831.44%
75 to 797741.43%
80 and over8021.48%
Total54,221100.00%
  • Youth Dependency Ratio: 41.64
  • Old Age Dependency Ratio: 10.17
  • Total Dependency Ratio: 51.81
  • Median Age: 27.59

Historical population

The population of Naguilian grew from 11,885 in 1903 to 52,189 in 2020, an increase of 40,304 people over the course of 117 years. The latest census figures in 2020 denote a negative growth rate of 0.80%, or a decrease of 2,032 people, from the previous population of 54,221 in 2015.

details
Population of Naguilian (1903‑2020)
Census datePopulationGrowth rate
11,885–
14,8281.41%
15,9330.36%
15,227-0.46%
19,5282.21%
25,1772.52%
27,1141.50%
29,3041.57%
36,3282.17%
39,9891.82%
43,5011.82%
45,2320.54%
48,4072.50%
54,2212.18%
52,189-0.80%

The total number of registered voters or electorate in Naguilian for the year 2019 was 34,771, broken down into 17,314 males and 17,457 females.

Location

The municipal center of Naguilian is situated at approximately 16° 32' North, 120° 24' East, in the island of Luzon. Elevation at these coordinates is estimated at 23.9 meters or 78.4 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 Naguilian are San Fernando, La Union, Baguio, Dagupan, Pangasinan, Alaminos, Pangasinan, Urdaneta, Pangasinan, and San Carlos, Pangasinan. The nearest municipalities are Burgos, La Union, Bauang, La Union, Bagulin, La Union, Sablan, Benguet, Caba, La Union, and San Gabriel, La Union. Its distance from the national capital is 223.78 kilometers (139.05 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 223.78 kilometers (139.05 miles) to the South‑Southeast (S16°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.
(Back to top)