San Mariano, Province of Isabela
| Type | municipality |
|---|---|
| Island group | Luzon |
| Region | Cagayan Valley (Region II) |
| Province | Isabela |
| Barangay count | 36 |
| Postal code | 3332 |
| Coastal/Landlocked | coastal |
| Marine waterbodies | Philippine Sea |
| Philippine major island(s) | Luzon |
| Area (2013) | 1,459.16 km2 (563.38 sq mi) |
| Population (2020) | 60,124 |
| Density (2020) | 41 / km2 (107 / sq mi) |
| Coordinates | 16° 59' North, 122° 1' East (16.9835, 122.0127) |
| Estimated elevation above sea level | 70.1 meters (230.0 feet) |
San Mariano is a coastal municipality in the province of Isabela.
The municipality has a land area of 1,459.16 square kilometers or 563.38 square miles which constitutes 11.14% of Isabela's total area. Its population as determined by the 2020 Census was 60,124. This represented 3.54% of the total population of Isabela province, or 1.63% of the overall population of the Cagayan Valley region. Based on these figures, the population density is computed at 41 inhabitants per square kilometer or 107 inhabitants per square mile.
Barangays
San Mariano has 36 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) |
|---|---|---|---|---|---|
| Alibadabad | 3.92% | 2,355 | 2,001 | 17.69% | 3.49% |
| Balagan | 2.36% | 1,418 | 1,258 | 12.72% | 2.55% |
| Binatug | 3.56% | 2,138 | 2,003 | 6.74% | 1.38% |
| Bitabian | 3.20% | 1,924 | 1,948 | -1.23% | -0.26% |
| Buyasan | 1.35% | 814 | 722 | 12.74% | 2.56% |
| Cadsalan | 3.04% | 1,828 | 1,486 | 23.01% | 4.46% |
| Casala | 2.65% | 1,593 | 1,507 | 5.71% | 1.18% |
| Cataguing | 3.02% | 1,815 | 1,810 | 0.28% | 0.06% |
| Daragutan East | 2.44% | 1,465 | 1,326 | 10.48% | 2.12% |
| Daragutan West | 3.04% | 1,829 | 1,740 | 5.11% | 1.06% |
| Del Pilar | 2.93% | 1,764 | 1,623 | 8.69% | 1.77% |
| Dibuluan | 3.13% | 1,883 | 1,505 | 25.12% | 4.83% |
| Dicamay | 3.35% | 2,012 | 1,918 | 4.90% | 1.01% |
| Dipusu | 1.28% | 767 | 764 | 0.39% | 0.08% |
| Disulap | 4.86% | 2,921 | 2,412 | 21.10% | 4.11% |
| Disusuan | 1.05% | 633 | 580 | 9.14% | 1.86% |
| Gangalan | 2.96% | 1,779 | 1,649 | 7.88% | 1.61% |
| Ibujan | 1.22% | 732 | 814 | -10.07% | -2.21% |
| Libertad | 2.11% | 1,270 | 1,122 | 13.19% | 2.64% |
| Macayucayu | 1.24% | 744 | 748 | -0.53% | -0.11% |
| Mallabo | 1.42% | 853 | 838 | 1.79% | 0.37% |
| Marannao | 1.76% | 1,057 | 1,012 | 4.45% | 0.92% |
| Minanga | 7.75% | 4,662 | 4,114 | 13.32% | 2.67% |
| Old San Mariano | 3.78% | 2,274 | 2,164 | 5.08% | 1.05% |
| Palutan | 1.70% | 1,021 | 1,011 | 0.99% | 0.21% |
| Panninan | 1.35% | 813 | 682 | 19.21% | 3.77% |
| San Jose | 4.36% | 2,622 | 2,331 | 12.48% | 2.51% |
| San Pablo | 1.57% | 942 | 856 | 10.05% | 2.04% |
| San Pedro | 1.00% | 601 | 527 | 14.04% | 2.80% |
| Santa Filomina | 4.19% | 2,521 | 2,271 | 11.01% | 2.22% |
| Tappa | 1.79% | 1,076 | 944 | 13.98% | 2.79% |
| Ueg | 2.92% | 1,754 | 1,944 | -9.77% | -2.14% |
| Zamora | 0.78% | 469 | 417 | 12.47% | 2.50% |
| Zone I | 2.64% | 1,590 | 1,584 | 0.38% | 0.08% |
| Zone II | 4.10% | 2,463 | 2,345 | 5.03% | 1.04% |
| Zone III | 6.19% | 3,722 | 3,394 | 9.66% | 1.96% |
| San Mariano Total | 60,124 | 55,370 | 8.59% | 1.75% | |
Economy
The annual regular revenue of San Mariano for the fiscal year of 2016 was ₱286,294,131.65.
details
| Fiscal Year | Annual Regular Income | Change |
|---|---|---|
| 2009 | 157,238,452.39 | – |
| 2010 | 164,508,862.89 | 4.62% |
| 2011 | 183,910,184.21 | 11.79% |
| 2012 | 178,529,781.89 | -2.93% |
| 2013 | 200,181,670.58 | 12.13% |
| 2014 | 228,383,669.69 | 14.09% |
| 2015 | 260,330,984.56 | 13.99% |
| 2016 | 286,294,131.65 | 9.97% |
End notes:
| ||
Demographics
Households
The household population of San Mariano in the 2015 Census was 55,342 broken down into 12,220 households or an average of 4.53 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 36,295 | 6,762 | 5.37 | |
| 37,787 | 7,341 | 5.15 | |
| 41,224 | 7,801 | 5.28 | |
| 44,712 | 9,447 | 4.73 | |
| 51,412 | 10,771 | 4.77 | |
| 55,342 | 12,220 | 4.53 |
Population by age group
According to the 2015 Census, the age group with the highest population in San Mariano is 5 to 9, with 6,580 individuals. Conversely, the age group with the lowest population is 80 and over, with 294 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 1,387 | 2.50% |
| 1 to 4 | 5,383 | 9.72% |
| 5 to 9 | 6,580 | 11.88% |
| 10 to 14 | 5,699 | 10.29% |
| 15 to 19 | 5,865 | 10.59% |
| 20 to 24 | 5,632 | 10.17% |
| 25 to 29 | 4,622 | 8.35% |
| 30 to 34 | 3,870 | 6.99% |
| 35 to 39 | 3,422 | 6.18% |
| 40 to 44 | 2,964 | 5.35% |
| 45 to 49 | 2,706 | 4.89% |
| 50 to 54 | 2,346 | 4.24% |
| 55 to 59 | 1,715 | 3.10% |
| 60 to 64 | 1,288 | 2.33% |
| 65 to 69 | 743 | 1.34% |
| 70 to 74 | 500 | 0.90% |
| 75 to 79 | 354 | 0.64% |
| 80 and over | 294 | 0.53% |
| Total | 55,370 | 100.00% |
| ||
Historical population
The population of San Mariano grew from 1,486 in 1918 to 60,124 in 2020, an increase of 58,638 people over the course of 102 years. The latest census figures in 2020 denote a positive growth rate of 1.75%, or an increase of 4,754 people, from the previous population of 55,370 in 2015.
details
| Census date | Population | Growth rate |
|---|---|---|
| – | – | |
| 1,486 | – | |
| 7,046 | 8.09% | |
| 8,365 | 1.78% | |
| 15,064 | 5.31% | |
| 20,227 | 2.92% | |
| 25,157 | 4.47% | |
| 31,839 | 4.82% | |
| 36,295 | 1.32% | |
| 37,861 | 0.79% | |
| 41,309 | 1.89% | |
| 44,718 | 1.10% | |
| 51,438 | 5.23% | |
| 55,370 | 1.41% | |
| 60,124 | 1.75% |
The total number of registered voters or electorate in San Mariano for the year 2019 was 32,280, broken down into 16,364 males and 15,916 females.
Location
The municipal center of San Mariano is situated at approximately 16° 59' North, 122° 1' East, in the island of Luzon. Elevation at these coordinates is estimated at 70.1 meters or 230.0 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 Mariano are Ilagan, Isabela, Cauayan, Isabela, Santiago, Isabela, Tuguegarao, Cagayan, Tabuk, Kalinga, and Baguio. The nearest municipalities are Benito Soliven, Isabela, Naguilian, Isabela, Reina Mercedes, Isabela, Gamu, Isabela, Luna, Isabela, and Quirino, Isabela. Its distance from the national capital is 286.98 kilometers (178.32 miles). The following list delineates such distance measurements.
great-circle distance
Nearest towns
- Benito Soliven, Isabela, 5.45 kilometers (3.39 miles) to the West (N89°W)
- Naguilian, Isabela, 19.42 kilometers (12.07 miles) to the West‑Northwest (N77°W)
- Reina Mercedes, Isabela, 20.13 kilometers (12.51 miles) to the West (N89°W)
- Gamu, Isabela, 20.36 kilometers (12.65 miles) to the West‑Northwest (N70°W)
- Luna, Isabela, 30.23 kilometers (18.78 miles) to the West (S87°W)
- Quirino, Isabela, 34.00 kilometers (21.12 miles) to the West‑Northwest (N60°W)
Nearest cities
- Ilagan, Isabela, 22.14 kilometers (13.75 miles) to the Northwest (N36°W)
- Cauayan, Isabela, 26.77 kilometers (16.63 miles) to the West‑Southwest (S78°W)
- Santiago, Isabela, 59.61 kilometers (37.04 miles) to the West‑Southwest (S57°W)
- Tuguegarao, Cagayan, 75.71 kilometers (47.04 miles) to the North‑Northwest (N23°W)
- Tabuk, Kalinga, 79.39 kilometers (49.33 miles) to the Northwest (N47°W)
- Baguio, 164.07 kilometers (101.95 miles) to the West‑Southwest (S67°W)
Distance from Manila: 286.98 kilometers (178.32 miles) to the South‑Southwest (S23°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.