San Guillermo, Province of Isabela
| Type | municipality |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| Barangay count | 26 |
| Postal code | 3308 |
| Coastal/Landlocked | landlocked |
| Marine waterbodies | none (landlocked) |
| Philippine major island(s) | Luzon |
| Area (2013) | 457.35 km2 (176.58 sq mi) |
| Population (2020) | 20,915 |
| Density (2020) | 46 / km2 (118 / sq mi) |
| Coordinates | 16° 43' North, 121° 49' East (16.7198, 121.8087) |
| Estimated elevation above sea level | 109.1 meters (357.8 feet) |
San Guillermo is a landlocked municipality in the coastal province of Isabela.
The municipality has a land area of 457.35 square kilometers or 176.58 square miles which constitutes 3.49% of Isabela's total area. Its population as determined by the 2020 Census was 20,915. This represented 1.23% of the total population of Isabela province, or 0.57% of the overall population of the Cagayan Valley region. Based on these figures, the population density is computed at 46 inhabitants per square kilometer or 118 inhabitants per square mile.
Barangays
San Guillermo has 26 barangays as shown in the following table.
Demographic profile of barangays
| Barangay | Population percentage (2020) | Population (2020) | Population (2015) | Change (2015‑2020) | Annual Population Growth Rate (2015‑2020) |
|---|---|---|---|---|---|
| Anonang | 2.46% | 514 | 481 | 6.86% | 1.41% |
| Aringay | 2.15% | 450 | 458 | -1.75% | -0.37% |
| Burgos | 5.06% | 1,058 | 912 | 16.01% | 3.17% |
| Calaoagan | 2.14% | 447 | 411 | 8.76% | 1.78% |
| Centro 1 | 12.31% | 2,575 | 2,518 | 2.26% | 0.47% |
| Centro 2 | 11.33% | 2,370 | 2,332 | 1.63% | 0.34% |
| Colorado | 5.15% | 1,078 | 1,130 | -4.60% | -0.99% |
| Dietban | 3.63% | 760 | 744 | 2.15% | 0.45% |
| Dingading | 4.40% | 920 | 992 | -7.26% | -1.57% |
| Dipacamo | 4.35% | 909 | 822 | 10.58% | 2.14% |
| Estrella | 2.29% | 479 | 456 | 5.04% | 1.04% |
| Guam | 5.48% | 1,147 | 1,059 | 8.31% | 1.69% |
| Nakar | 4.73% | 989 | 760 | 30.13% | 5.70% |
| Palawan | 2.33% | 488 | 486 | 0.41% | 0.09% |
| Progreso | 2.75% | 575 | 575 | 0.00% | 0.00% |
| Rizal | 6.89% | 1,440 | 1,429 | 0.77% | 0.16% |
| San Francisco Norte | 2.41% | 505 | 514 | -1.75% | -0.37% |
| San Francisco Sur | 1.95% | 407 | 400 | 1.75% | 0.37% |
| San Mariano Norte | 1.27% | 266 | 249 | 6.83% | 1.40% |
| San Mariano Sur | 2.91% | 608 | 644 | -5.59% | -1.20% |
| San Rafael | 1.02% | 213 | 228 | -6.58% | -1.42% |
| Sinalugan | 3.29% | 688 | 657 | 4.72% | 0.98% |
| Villa Remedios | 1.47% | 308 | 288 | 6.94% | 1.42% |
| Villa Rose | 3.80% | 795 | 726 | 9.50% | 1.93% |
| Villa Sanchez | 2.66% | 557 | 559 | -0.36% | -0.08% |
| Villa Teresita | 1.76% | 369 | 370 | -0.27% | -0.06% |
| San Guillermo Total | 20,915 | 20,200 | 3.54% | 0.74% | |
Economy
The annual regular revenue of San Guillermo for the fiscal year of 2016 was ₱94,288,434.83.
details
| Fiscal Year | Annual Regular Income | Change |
|---|---|---|
| 2009 | 53,134,122.29 | – |
| 2010 | 57,665,384.59 | 8.53% |
| 2011 | 61,278,072.02 | 6.26% |
| 2012 | 59,819,840.71 | -2.38% |
| 2013 | 67,530,367.29 | 12.89% |
| 2014 | 76,419,145.64 | 13.16% |
| 2015 | 86,203,483.08 | 12.80% |
| 2016 | 94,288,434.83 | 9.38% |
End notes:
| ||
Demographics
Households
The household population of San Guillermo in the 2015 Census was 20,157 broken down into 4,601 households or an average of 4.38 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 10,688 | 1,992 | 5.37 | |
| 12,506 | 2,589 | 4.83 | |
| 13,326 | 2,549 | 5.23 | |
| 16,865 | 3,639 | 4.63 | |
| 18,423 | 4,122 | 4.47 | |
| 20,157 | 4,601 | 4.38 |
Population by age group
According to the 2015 Census, the age group with the highest population in San Guillermo is 5 to 9, with 2,324 individuals. Conversely, the age groups with the lowest population are in the ranges 75 to 79, and 80 and over, with 144 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 450 | 2.23% |
| 1 to 4 | 1,839 | 9.10% |
| 5 to 9 | 2,324 | 11.50% |
| 10 to 14 | 2,158 | 10.68% |
| 15 to 19 | 2,044 | 10.12% |
| 20 to 24 | 1,918 | 9.50% |
| 25 to 29 | 1,719 | 8.51% |
| 30 to 34 | 1,460 | 7.23% |
| 35 to 39 | 1,286 | 6.37% |
| 40 to 44 | 1,159 | 5.74% |
| 45 to 49 | 1,035 | 5.12% |
| 50 to 54 | 855 | 4.23% |
| 55 to 59 | 649 | 3.21% |
| 60 to 64 | 454 | 2.25% |
| 65 to 69 | 333 | 1.65% |
| 70 to 74 | 229 | 1.13% |
| 75 to 79 | 144 | 0.71% |
| 80 and over | 144 | 0.71% |
| Total | 20,200 | 100.00% |
| ||
Historical population
The population of San Guillermo grew from 9,970 in 1970 to 20,915 in 2020, an increase of 10,945 people over the course of 50 years. The latest census figures in 2020 denote a positive growth rate of 0.73%, or an increase of 715 people, from the previous population of 20,200 in 2015.
details
| Census date | Population | Growth rate |
|---|---|---|
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| – | – | |
| 9,970 | – | |
| 5,573 | -11.02% | |
| 6,985 | 4.62% | |
| 10,700 | 4.36% | |
| 12,506 | 2.96% | |
| 13,338 | 1.39% | |
| 16,865 | 3.29% | |
| 18,423 | 3.27% | |
| 20,200 | 1.77% | |
| 20,915 | 0.73% |
The total number of registered voters or electorate in San Guillermo for the year 2019 was 12,337, broken down into 6,440 males and 5,897 females.
Location
The municipal center of San Guillermo is situated at approximately 16° 43' North, 121° 49' East, in the island of Luzon. Elevation at these coordinates is estimated at 109.1 meters or 357.8 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 San Guillermo are Cauayan, Isabela, Santiago, Isabela, Ilagan, Isabela, Tabuk, Kalinga, Tuguegarao, Cagayan, and San Jose, Nueva Ecija. The nearest municipalities are Angadanan, Isabela, Alicia, Isabela, Echague, Isabela, San Isidro, Isabela, Jones, Isabela, and San Agustin, Isabela. Its distance from the national capital is 251.81 kilometers (156.46 miles). The following list delineates such distance measurements.
great-circle distance
Nearest towns
- Angadanan, Isabela, 7.66 kilometers (4.76 miles) to the West‑Northwest (N58°W)
- Alicia, Isabela, 13.38 kilometers (8.32 miles) to the West‑Northwest (N61°W)
- Echague, Isabela, 13.68 kilometers (8.50 miles) to the West (S85°W)
- San Isidro, Isabela, 19.66 kilometers (12.21 miles) to the West (N85°W)
- Jones, Isabela, 21.00 kilometers (13.05 miles) to the South‑Southwest (S32°W)
- San Agustin, Isabela, 24.47 kilometers (15.21 miles) to the South‑Southwest (S15°W)
Nearest cities
- Cauayan, Isabela, 24.16 kilometers (15.01 miles) to the North (N11°W)
- Santiago, Isabela, 28.30 kilometers (17.58 miles) to the West (S83°W)
- Ilagan, Isabela, 47.74 kilometers (29.66 miles) to the North (N10°E)
- Tabuk, Kalinga, 90.92 kilometers (56.49 miles) to the North‑Northwest (N23°W)
- Tuguegarao, Cagayan, 99.13 kilometers (61.59 miles) to the North (N5°W)
- San Jose, Nueva Ecija, 134.95 kilometers (83.86 miles) to the Southwest (S40°W)
Distance from Manila: 251.81 kilometers (156.46 miles) to the South‑Southwest (S21°W)
Notes
- Unless otherwise specified, population count (excluding percentages), household data, and land area figures are derived from the Philippine Statistics Authority.
- Data on registered voters is from the Commission on Elections.
- Data on annual regular income is from the Bureau of Local Government Finance, Department of Finance
- Postal code information is from the Philippine Postal Corporation.