Quezon, Province of Isabela

Summary data
Typemunicipality
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceIsabela
Barangay count15
Postal code3324
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2013)207.07 km2 (79.95 sq mi)
Population (2020)27,037
Density (2020)131 / km2 (338 / sq mi)
Coordinates17° 19' North, 121° 36' East (17.3114, 121.6059)
Estimated elevation above sea level112.0 meters (367.5 feet)

Quezon is a landlocked municipality in the coastal province of Isabela.

The municipality has a land area of 207.07 square kilometers or 79.95 square miles which constitutes 1.58% of Isabela's total area. Its population as determined by the 2020 Census was 27,037. This represented 1.59% of the total population of Isabela province, or 0.73% of the overall population of the Cagayan Valley region. Based on these figures, the population density is computed at 131 inhabitants per square kilometer or 338 inhabitants per square mile.

Barangays

Quezon has 15 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Quezon
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Abut9.16%2,4762,568-3.58%-0.76%
Alunan5.55%1,5011,4066.76%1.39%
Arellano10.47%2,8312,877-1.60%-0.34%
Aurora1.74%4704445.86%1.21%
Barucboc Norte13.36%3,6113,3039.32%1.89%
Calangigan2.71%7337290.55%0.12%
Dunmon2.45%6626069.24%1.88%
Estrada3.10%83975111.72%2.36%
Lepanto6.68%1,8061,62411.21%2.26%
Mangga3.06%8268220.49%0.10%
Minagbag12.77%3,4533,3263.82%0.79%
Samonte6.84%1,8501,865-0.80%-0.17%
San Juan6.01%1,6241,43213.41%2.68%
Santos12.24%3,3103,1923.70%0.77%
Turod3.87%1,04591514.21%2.84%
Quezon Total27,03725,8604.55%0.94%

Economy

The annual regular revenue of Quezon for the fiscal year of 2016 was 104,950,366.31.

details
Annual regular income of Quezon (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
2009
201056,159,376.57
201158,975,356.315.01%
201264,388,279.349.18%
201374,940,110.3816.39%
201482,030,883.229.46%
201593,085,169.4213.48%
2016104,950,366.3112.75%

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 Quezon in the 2015 Census was 25,860 broken down into 5,874 households or an average of 4.40 members per household.

details
Number of households in Quezon (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
16,2803,0295.37
17,6083,4965.04
20,0903,8875.17
22,0504,8714.53
24,5225,3984.54
25,8605,8744.40

Population by age group

According to the 2015 Census, the age group with the highest population in Quezon is 5 to 9, with 2,921 individuals. Conversely, the age group with the lowest population is 80 and over, with 186 individuals.

details
Population of Quezon by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 16242.41%
1 to 42,2788.81%
5 to 92,92111.30%
10 to 142,62610.15%
15 to 192,3759.18%
20 to 242,2978.88%
25 to 292,1868.45%
30 to 341,7856.90%
35 to 391,7436.74%
40 to 441,5225.89%
45 to 491,3785.33%
50 to 541,2164.70%
55 to 599853.81%
60 to 647222.79%
65 to 694641.79%
70 to 743181.23%
75 to 792340.90%
80 and over1860.72%
Total25,860100.00%
  • Youth Dependency Ratio: 52.13
  • Old Age Dependency Ratio: 7.42
  • Total Dependency Ratio: 59.55
  • Median Age: 24.58

Historical population

The population of Quezon grew from 5,797 in 1960 to 27,037 in 2020, an increase of 21,240 people over the course of 60 years. The latest census figures in 2020 denote a positive growth rate of 0.94%, or an increase of 1,177 people, from the previous population of 25,860 in 2015.

details
Population of Quezon (1903‑2020)
Census datePopulationGrowth rate
5,797
7,2712.24%
8,2252.50%
9,8203.61%
16,2805.19%
17,6171.49%
20,0902.86%
22,0501.29%
24,5223.94%
25,8601.02%
27,0370.94%

The total number of registered voters or electorate in Quezon for the year 2019 was 16,786, broken down into 8,591 males and 8,195 females.

Location

The municipal center of Quezon is situated at approximately 17° 19' North, 121° 36' East, in the island of Luzon. Elevation at these coordinates is estimated at 112.0 meters or 367.5 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 Quezon are Tabuk, Kalinga, Tuguegarao, Cagayan, Ilagan, Isabela, Cauayan, Isabela, Santiago, Isabela, and Candon, Ilocos Sur. The nearest municipalities are Mallig, Isabela, Delfin Albano, Isabela, Santo Tomas, Isabela, Roxas, Isabela, Cabagan, Isabela, and Tumauini, Isabela. Its distance from the national capital is 308.45 kilometers (191.66 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 308.45 kilometers (191.66 miles) to the South‑Southwest (S13°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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