San Manuel, Province of Isabela

Summary data
Typemunicipality
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
Barangay count19
Postal code3317
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2013)112.77 km2 (43.54 sq mi)
Population (2020)34,085
Density (2020)302 / km2 (783 / sq mi)
Coordinates17° 1' North, 121° 38' East (17.0223, 121.6318)
Estimated elevation above sea level67.4 meters (221.0 feet)

San Manuel, formerly known as Callang, is a landlocked municipality in the coastal province of Isabela.

The municipality has a land area of 112.77 square kilometers or 43.54 square miles which constitutes 0.86% of Isabela's total area. Its population as determined by the 2020 Census was 34,085. This represented 2.01% of the total population of Isabela province, or 0.92% of the overall population of the Cagayan Valley region. Based on these figures, the population density is computed at 302 inhabitants per square kilometer or 783 inhabitants per square mile.

Barangays

San Manuel has 19 barangays as shown in the following table.

Demographic profile of barangays
Local government units of San Manuel
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Agliam1.26%4303939.41%1.91%
Babanuang8.88%3,0272,7579.79%1.99%
Cabaritan1.92%653808-19.18%-4.38%
Caraniogan2.85%97287710.83%2.19%
District 18.30%2,8302,839-0.32%-0.07%
District 27.41%2,5242,4204.30%0.89%
District 38.81%3,0042,71010.85%2.19%
District 47.35%2,5062,26410.69%2.16%
Eden6.70%2,2852,1436.63%1.36%
Malalinta5.39%1,8361,7972.17%0.45%
Mararigue5.25%1,7911,48620.52%4.01%
Nueva Era5.89%2,0071,9522.82%0.59%
Pisang1.82%619660-6.21%-1.34%
San Francisco1.83%6255856.84%1.40%
Sandiat Centro5.37%1,8321,7047.51%1.54%
Sandiat East4.06%1,3841,24710.99%2.22%
Sandiat West6.76%2,3052,1656.47%1.33%
Santa Cruz4.87%1,6601,729-3.99%-0.85%
Villanueva5.27%1,7951,36031.99%6.02%
San Manuel Total34,08531,8966.86%1.41%

Economy

The annual regular revenue of San Manuel for the fiscal year of 2016 was 87,744,180.96.

details
Annual regular income of San Manuel (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009116,223,493.39
201037,846,365.29-67.44%
201155,294,891.9446.10%
201254,769,961.51-0.95%
201361,106,171.0711.57%
201469,346,142.0113.48%
201577,846,163.3212.26%
201687,744,180.9612.71%

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 San Manuel in the 2015 Census was 31,823 broken down into 7,613 households or an average of 4.18 members per household.

details
Number of households in San Manuel (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
24,5934,6705.27
25,4845,1804.92
27,0595,5704.86
28,4206,4854.38
30,3827,1274.26
31,8237,6134.18

Population by age group

According to the 2015 Census, the age group with the highest population in San Manuel is 5 to 9, with 3,304 individuals. Conversely, the age group with the lowest population is 80 and over, with 255 individuals.

details
Population of San Manuel by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 16512.04%
1 to 42,5998.15%
5 to 93,30410.36%
10 to 143,0459.55%
15 to 192,8128.82%
20 to 242,9309.19%
25 to 292,6548.32%
30 to 342,2797.15%
35 to 392,2246.97%
40 to 441,9616.15%
45 to 491,9406.08%
50 to 541,5985.01%
55 to 591,3164.13%
60 to 649863.09%
65 to 696201.94%
70 to 744151.30%
75 to 793070.96%
80 and over2550.80%
Total31,896100.00%
  • Youth Dependency Ratio: 46.37
  • Old Age Dependency Ratio: 7.71
  • Total Dependency Ratio: 54.08
  • Median Age: 26.14

Historical population

The population of San Manuel grew from 6,525 in 1960 to 34,085 in 2020, an increase of 27,560 people over the course of 60 years. The latest census figures in 2020 denote a positive growth rate of 1.41%, or an increase of 2,189 people, from the previous population of 31,896 in 2015.

details
Population of San Manuel (1903‑2020)
Census datePopulationGrowth rate
6,525
11,3095.53%
14,5355.16%
17,9684.33%
24,6203.20%
25,5270.68%
27,0591.26%
28,4200.68%
30,4072.49%
31,8960.91%
34,0851.41%

The total number of registered voters or electorate in San Manuel for the year 2019 was 21,484, broken down into 10,882 males and 10,602 females.

Location

The municipal center of San Manuel is situated at approximately 17° 1' North, 121° 38' 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 San Manuel are Cauayan, Isabela, Ilagan, Isabela, Santiago, Isabela, Tabuk, Kalinga, Tuguegarao, Cagayan, and Candon, Ilocos Sur. The nearest municipalities are Aurora, Isabela, Burgos, Isabela, Cabatuan, Isabela, Roxas, Isabela, Luna, Isabela, and San Mateo, Isabela. Its distance from the national capital is 278.00 kilometers (172.74 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

  • Aurora, Isabela, 3.60 kilometers (2.23 miles) to the South‑Southeast (S13°E)
  • Burgos, Isabela, 8.31 kilometers (5.16 miles) to the Northeast (N52°E)
  • Cabatuan, Isabela, 8.55 kilometers (5.32 miles) to the South‑Southeast (S28°E)
  • Roxas, Isabela, 11.09 kilometers (6.89 miles) to the North (N7°W)
  • Luna, Isabela, 11.98 kilometers (7.44 miles) to the East‑Southeast (S60°E)
  • San Mateo, Isabela, 16.30 kilometers (10.13 miles) to the South‑Southwest (S17°W)

Nearest cities

Distance from Manila: 278.00 kilometers (172.74 miles) to the South‑Southwest (S15°W)

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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