San Mariano, Province of Isabela

Summary data
Typemunicipality
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
Barangay count36
Postal code3332
Coastal/Landlockedcoastal
Marine waterbodiesPhilippine Sea
Philippine major island(s)Luzon
Area (2007)1,469.50 km2 (567.38 sq mi)
Population (2015)55,370
Density (2015)38 / km2 (98 / sq mi)
Coordinates16° 59' North, 122° 1' East (16.9835, 122.0127)
Estimated elevation above sea level70.1 meters (230.0 feet)

San Mariano is a coastal municipality in the province of Isabela.

The municipality has a land area of 1,469.50 square kilometers or 567.38 square miles which constitutes 11.84% of Isabela's total area. Its population as determined by the 2015 Census was 55,370. This represented 3.47% of the total population of Isabela province, or 1.60% of the overall population of the Cagayan Valley region. Based on these figures, the population density is computed at 38 inhabitants per square kilometer or 98 inhabitants per square mile.

Barangays

San Mariano has 36 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)
Alibadabad3.61%2,0011,76413.44%2.43%
Balagan2.27%1,2581,13910.45%1.91%
Binatug3.62%2,0031,8229.93%1.82%
Bitabian3.52%1,9481,8465.53%1.03%
Buyasan1.30%722781-7.55%-1.48%
Cadsalan2.68%1,4861,25418.50%3.28%
Casala2.72%1,5071,19925.69%4.45%
Cataguing3.27%1,8101,7056.16%1.14%
Daragutan East2.39%1,3261,14815.51%2.78%
Daragutan West3.14%1,7401,57510.48%1.92%
Del Pilar2.93%1,6231,24929.94%5.11%
Dibuluan2.72%1,5051,4493.86%0.72%
Dicamay3.46%1,9181,52425.85%4.48%
Dipusu1.38%764911-16.14%-3.30%
Disulap4.36%2,4122,420-0.33%-0.06%
Disusuan1.05%5805446.62%1.23%
Gangalan2.98%1,6491,5377.29%1.35%
Ibujan1.47%814817-0.37%-0.07%
Libertad2.03%1,1221,0368.30%1.53%
Macayucayu1.35%7481,260-40.63%-9.45%
Mallabo1.51%83872116.23%2.90%
Marannao1.83%1,0129704.33%0.81%
Minanga7.43%4,1143,28025.43%4.41%
Old San Mariano3.91%2,1641,93511.83%2.15%
Palutan1.83%1,0119684.44%0.83%
Panninan1.23%68259714.24%2.57%
San Jose4.21%2,3312,2354.30%0.80%
San Pablo1.55%8568234.01%0.75%
San Pedro0.95%527555-5.05%-0.98%
Santa Filomina4.10%2,2712,2102.76%0.52%
Tappa1.70%9448619.64%1.77%
Ueg3.51%1,9441,7749.58%1.76%
Zamora0.75%4173975.04%0.94%
Zone I2.86%1,5841,5661.15%0.22%
Zone II4.24%2,3452,1339.94%1.82%
Zone III6.13%3,3943,433-1.14%-0.22%
San Mariano Total55,37051,4387.64%1.41%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of San Mariano for the fiscal year of 2016 was 286,294,131.65.

details
Fiscal YearAnnual Regular IncomeChange
2009157,238,452.39
2010164,508,862.894.62%
2011183,910,184.2111.79%
2012178,529,781.89-2.93%
2013200,181,670.5812.13%
2014228,383,669.6914.09%
2015260,330,984.5613.99%
2016286,294,131.659.97%

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 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 groupPopulation (2015)
Under 11,387
1 to 45,383
5 to 96,580
10 to 145,699
15 to 195,865
20 to 245,632
25 to 294,622
30 to 343,870
35 to 393,422
40 to 442,964
45 to 492,706
50 to 542,346
55 to 591,715
60 to 641,288
65 to 69743
70 to 74500
75 to 79354
80 and over294
Total55,370

Historical population

The population of San Mariano grew from 15,064 in 1960 to 55,370 in 2015, an increase of 40,306 people. The latest census figures in 2015 denote a positive growth rate of 1.41%, or an increase of 3,932 people, from the previous population of 51,438 in 2010.

details
Census datePopulationGrowth rate
15,064
20,2272.92%
25,1574.47%
31,8394.82%
36,2951.32%
37,8610.79%
41,3091.89%
44,7181.10%
51,4385.23%
55,3701.41%

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, Cauayan, Santiago, Tuguegarao, Tabuk, and Baguio. The nearest municipalities are Benito Soliven, Naguilian, Reina Mercedes, Gamu, Luna, and Quirino. 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

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, 59.68 kilometers (37.08 miles) to the West‑Southwest (S57°W)
  • Tuguegarao, Cagayan, 75.71 kilometers (47.04 miles) to the North‑Northwest (N23°W)
  • Tabuk, Kalinga, 76.98 kilometers (47.83 miles) to the Northwest (N52°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)

National rankings

  • Population (2015): 55,370, ranked 435 out of 1,634
  • Land area (2007): 567.38 square kilometers, ranked 4 out of 1,634
  • Population density (2015): 38 inhabitants per square kilometer, ranked 1,532 out of 1,634
  • Annual population growth rate (2010 to 2015): 1.41%, ranked 465 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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