Lidlidda, Province of Ilocos Sur

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
Barangay count11
Postal code2723
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2013)33.84 km2 (13.07 sq mi)
Population (2020)4,705
Density (2020)139 / km2 (360 / sq mi)
Coordinates17° 15' North, 120° 31' East (17.2519, 120.5207)
Estimated elevation above sea level67.4 meters (221.0 feet)

Lidlidda is a landlocked municipality in the coastal province of Ilocos Sur.

The municipality has a land area of 33.84 square kilometers or 13.07 square miles which constitutes 1.30% of Ilocos Sur's total area. Its population as determined by the 2020 Census was 4,705. This represented 0.67% of the total population of Ilocos Sur province, or 0.09% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 139 inhabitants per square kilometer or 360 inhabitants per square mile.

Barangays

Lidlidda has 11 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Lidlidda
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Banucal14.37%676705-4.11%-0.88%
Bequi-Walin11.80%5555500.91%0.19%
Bugui5.08%239273-12.45%-2.76%
Calungbuyan4.99%2352244.91%1.01%
Carcarabasa9.18%4324017.73%1.58%
Labut6.44%3032817.83%1.60%
Poblacion Norte20.47%963974-1.13%-0.24%
Poblacion Sur7.78%36630818.83%3.70%
San Vicente9.61%4524207.62%1.56%
Suysuyan6.97%328338-2.96%-0.63%
Tay-ac3.32%156173-9.83%-2.15%
Lidlidda Total4,7054,6471.25%0.26%

Economy

The annual regular revenue of Lidlidda for the fiscal year of 2016 was 117,740,438.51.

details
Annual regular income of Lidlidda (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
200923,903,295.36
201053,069,477.37122.02%
201157,884,067.229.07%
201256,044,306.71-3.18%
201348,823,425.62-12.88%
201428,802,073.11-41.01%
201571,484,665.28148.19%
2016117,740,438.5164.71%

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 Lidlidda in the 2015 Census was 4,642 broken down into 1,004 households or an average of 4.62 members per household.

details
Number of households in Lidlidda (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
3,5156745.22
3,7007265.10
4,0227855.12
3,7988454.49
4,3989174.80
4,6421,0044.62

Population by age group

According to the 2015 Census, the age group with the highest population in Lidlidda is 20 to 24, with 439 individuals. Conversely, the age group with the lowest population is Under 1, with 68 individuals.

details
Population of Lidlidda by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1681.46%
1 to 42936.31%
5 to 94048.69%
10 to 143838.24%
15 to 194178.97%
20 to 244399.45%
25 to 293517.55%
30 to 343577.68%
35 to 393417.34%
40 to 442785.98%
45 to 492755.92%
50 to 542355.06%
55 to 592204.73%
60 to 641753.77%
65 to 691182.54%
70 to 74932.00%
75 to 79911.96%
80 and over1092.35%
Total4,647100.00%
  • Youth Dependency Ratio: 37.18
  • Old Age Dependency Ratio: 13.31
  • Total Dependency Ratio: 50.49
  • Median Age: 29.55

Historical population

The population of Lidlidda grew from 1,510 in 1918 to 4,705 in 2020, an increase of 3,195 people over the course of 102 years. The latest census figures in 2020 denote a positive growth rate of 0.26%, or an increase of 58 people, from the previous population of 4,647 in 2015.

details
Population of Lidlidda (1903‑2020)
Census datePopulationGrowth rate
1,510
1,6380.41%
1,6730.22%
1,9721.46%
2,3691.81%
2,6352.16%
2,7360.75%
3,5152.54%
3,7000.97%
4,0221.81%
3,798-0.79%
4,3985.48%
4,6471.05%
4,7050.26%

The total number of registered voters or electorate in Lidlidda for the year 2019 was 3,544, broken down into 1,884 males and 1,660 females.

Location

The municipal center of Lidlidda is situated at approximately 17° 15' North, 120° 31' East, in the island of Luzon. Elevation at these coordinates is estimated at 67.4 meters or 221.0 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 Lidlidda are Candon, Ilocos Sur, Vigan, Ilocos Sur, San Fernando, La Union, Batac, Ilocos Norte, Baguio, and Laoag, Ilocos Norte. The nearest municipalities are Banayoyo, Ilocos Sur, San Emilio, Ilocos Sur, Burgos, Ilocos Sur, Galimuyod, Ilocos Sur, Santiago, Ilocos Sur, and Salcedo, Ilocos Sur. Its distance from the national capital is 298.57 kilometers (185.52 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 298.57 kilometers (185.52 miles) to the South (S9°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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