Iriga, Province of Camarines Sur

Summary data
Typecity (component)
Island groupLuzon
RegionBicol Region (Region V)
ProvinceCamarines Sur
Barangay count36
Postal code4431
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2013)137.35 km2 (53.03 sq mi)
Population (2020)114,457
Density (2020)833 / km2 (2,158 / sq mi)
Coordinates13° 25' North, 123° 25' East (13.4222, 123.4129)
Estimated elevation above sea level16.0 meters (52.5 feet)

Iriga is a landlocked component city in the coastal province of Camarines Sur.

The city has a land area of 137.35 square kilometers or 53.03 square miles which constitutes 2.49% of Camarines Sur's total area. Its population as determined by the 2020 Census was 114,457. This represented 5.53% of the total population of Camarines Sur province, or 1.88% of the overall population of the Bicol Region. Based on these figures, the population density is computed at 833 inhabitants per square kilometer or 2,158 inhabitants per square mile.

Barangays

Iriga has 36 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Iriga
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Antipolo0.71%8121,301-37.59%-9.45%
Cristo Rey1.06%1,2141,07812.62%2.53%
Del Rosario1.77%2,0292,147-5.50%-1.18%
Francia2.30%2,6322,6080.92%0.19%
La Anunciacion1.44%1,6471,697-2.95%-0.63%
La Medalla2.24%2,5642,4066.57%1.35%
La Purisima2.77%3,1742,50626.66%5.10%
La Trinidad1.84%2,1081,87312.55%2.52%
Niño Jesus0.78%8971,021-12.14%-2.69%
Perpetual Help3.84%4,3904,2084.33%0.90%
Sagrada1.79%2,0512,359-13.06%-2.90%
Salvacion3.17%3,6243,4176.06%1.25%
San Agustin5.95%6,8056,4036.28%1.29%
San Andres0.54%622835-25.51%-6.01%
San Antonio3.56%4,0744,225-3.57%-0.76%
San Francisco5.62%6,4386,479-0.63%-0.13%
San Isidro8.33%9,5388,9097.06%1.45%
San Jose2.73%3,1232,40529.85%5.65%
San Juan3.91%4,4734,584-2.42%-0.51%
San Miguel2.90%3,3143,2980.49%0.10%
San Nicolas10.19%11,66511,3133.11%0.65%
San Pedro1.94%2,2172,1801.70%0.35%
San Rafael0.65%745864-13.77%-3.07%
San Ramon1.56%1,7901,7045.05%1.04%
San Roque2.05%2,3422,459-4.76%-1.02%
San Vicente Norte0.74%850947-10.24%-2.25%
San Vicente Sur2.41%2,7612,939-6.06%-1.31%
Santa Cruz Norte0.60%69254028.15%5.36%
Santa Cruz Sur2.68%3,0643,210-4.55%-0.98%
Santa Elena2.21%2,5292,29110.39%2.10%
Santa Isabel0.60%68661212.09%2.43%
Santa Maria2.91%3,3263,3120.42%0.09%
Santa Teresita2.69%3,0832,60218.49%3.63%
Santiago2.54%2,9093,416-14.84%-3.33%
Santo Domingo5.75%6,5845,92211.18%2.26%
Santo Niño3.22%3,6853,687-0.05%-0.01%
Iriga Total114,457111,7572.42%0.50%

Economy

The annual regular revenue of Iriga for the fiscal year of 2016 was 472,025,392.29.

details
Annual regular income of Iriga (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009292,158,923.02
2010324,155,505.9710.95%
2011357,554,476.2910.30%
2012312,490,849.90-12.60%
2013341,410,395.189.25%
2014382,892,282.4912.15%
2015427,958,455.0411.77%
2016472,025,392.2910.30%

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 Iriga in the 2015 Census was 111,225 broken down into 21,840 households or an average of 5.09 members per household.

details
Number of households in Iriga (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
74,00013,4625.50
82,22915,5815.28
88,62317,0615.19
97,52719,2985.05
105,45621,7594.85
111,22521,8405.09

Population by age group

According to the 2015 Census, the age group with the highest population in Iriga is 10 to 14, with 12,973 individuals. Conversely, the age group with the lowest population is 80 and over, with 1,055 individuals.

details
Population of Iriga by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 12,2612.02%
1 to 49,5798.57%
5 to 912,46811.16%
10 to 1412,97311.61%
15 to 1911,76910.53%
20 to 249,6798.66%
25 to 298,4887.60%
30 to 347,4436.66%
35 to 397,0376.30%
40 to 446,1435.50%
45 to 495,6295.04%
50 to 544,9114.39%
55 to 594,0183.60%
60 to 643,1612.83%
65 to 692,4372.18%
70 to 741,5871.42%
75 to 791,1191.00%
80 and over1,0550.94%
Total111,757100.00%
  • Youth Dependency Ratio: 54.6
  • Old Age Dependency Ratio: 9.08
  • Total Dependency Ratio: 63.68
  • Median Age: 23.53

Historical population

The population of Iriga grew from 19,297 in 1903 to 114,457 in 2020, an increase of 95,160 people over the course of 117 years. The latest census figures in 2020 denote a positive growth rate of 0.50%, or an increase of 2,700 people, from the previous population of 111,757 in 2015.

details
Population of Iriga (1903‑2020)
Census datePopulationGrowth rate
19,297
24,1451.43%
31,0051.26%
42,0493.18%
75,4395.27%
77,3820.25%
75,885-0.39%
66,113-2.72%
74,2691.17%
82,4821.98%
88,8931.62%
97,9831.35%
105,9192.88%
111,7571.03%
114,4570.50%

The total number of registered voters or electorate in Iriga for the year 2019 was 65,261, broken down into 31,316 males and 33,945 females.

Location

The city center of Iriga is situated at approximately 13° 25' North, 123° 25' East, in the island of Luzon. Elevation at these coordinates is estimated at 16.0 meters or 52.5 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 Iriga are Ligao, Albay, Naga, Camarines Sur, Tabaco, Albay, Legazpi, Albay, Sorsogon City, Sorsogon, and Masbate City, Masbate. The nearest municipalities are Nabua, Camarines Sur, Baao, Camarines Sur, Bato, Camarines Sur, Buhi, Camarines Sur, Libon, Albay, and Bula, Camarines Sur. Its distance from the national capital is 292.90 kilometers (182.00 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 292.90 kilometers (182.00 miles) to the West‑Northwest (N63°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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