Alilem, Province of Ilocos Sur

Summary data
Typemunicipality
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
Barangay count9
Postal code2716
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2007)119.33 km2 (46.07 sq mi)
Population (2015)6,695
Density (2015)56 / km2 (145 / sq mi)
Coordinates16° 53' North, 120° 32' East (16.8870, 120.5299)
Estimated elevation above sea level60.8 meters (199.3 feet)

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

The municipality has a land area of 119.33 square kilometers or 46.07 square miles which constitutes 4.60% of Ilocos Sur's total area. Its population as determined by the 2015 Census was 6,695. This represented 0.97% of the total population of Ilocos Sur province, or 0.13% of the overall population of the Ilocos Region. Based on these figures, the population density is computed at 56 inhabitants per square kilometer or 145 inhabitants per square mile.

Barangays

Alilem has 9 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)
Alilem Daya23.53%1,5751,41811.07%2.02%
Amilongan7.77%5204915.91%1.10%
Anaao11.53%772783-1.40%-0.27%
Apang7.30%4894841.03%0.20%
Apaya7.93%5315290.38%0.07%
Batbato7.50%502543-7.55%-1.48%
Daddaay9.08%608686-11.37%-2.27%
Dalawa18.54%1,2411,248-0.56%-0.11%
Kiat6.83%457458-0.22%-0.04%
Alilem Total6,6956,6400.83%0.16%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Alilem for the fiscal year of 2016 was 105,286,601.65.

details
Fiscal YearAnnual Regular IncomeChange
200932,645,493.99
201059,533,891.4282.36%
201156,384,780.89-5.29%
201251,632,610.61-8.43%
201352,019,290.670.75%
201441,793,300.64-19.66%
201548,356,280.0815.70%
2016105,286,601.65117.73%

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 Alilem is 5 to 9, with 682 individuals. Conversely, the age group with the lowest population is Under 1, with 108 individuals.

details
Age groupPopulation (2015)
Under 1108
1 to 4517
5 to 9682
10 to 14677
15 to 19625
20 to 24495
25 to 29483
30 to 34472
35 to 39459
40 to 44410
45 to 49369
50 to 54316
55 to 59291
60 to 64222
65 to 69172
70 to 74138
75 to 79111
80 and over148
Total6,695

Historical population

The population of Alilem grew from 3,594 in 1960 to 6,695 in 2015, an increase of 3,101 people. The latest census figures in 2015 denote a positive growth rate of 0.16%, or an increase of 55 people, from the previous population of 6,640 in 2010.

details
Census datePopulationGrowth rate
3,594
4,1451.41%
4,4091.25%
4,5990.85%
5,3141.46%
5,5330.76%
6,3533.01%
6,217-0.30%
6,6402.42%
6,6950.16%

Location

The municipal center of Alilem is situated at approximately 16° 53' North, 120° 32' East, in the island of Luzon. Elevation at these coordinates is estimated at 60.8 meters or 199.3 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 Alilem are Candon, San Fernando, Baguio, Vigan, Dagupan, and Urdaneta. The nearest municipalities are Sugpon, Sudipen, Tagudin, Suyo, Bangar, and Santol. Its distance from the national capital is 258.65 kilometers (160.72 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 258.65 kilometers (160.72 miles) to the South (S11°E)

National rankings

  • Population (2015): 6,695, ranked 1,566 out of 1,634
  • Land area (2007): 46.07 square kilometers, ranked 891 out of 1,634
  • Population density (2015): 56 inhabitants per square kilometer, ranked 1,473 out of 1,634
  • Annual population growth rate (2010 to 2015): 0.16%, ranked 1,403 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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