Itbayat, Province of Batanes

Summary data
Typemunicipality
Island groupLuzon
RegionCagayan Valley (Region II)
ProvinceBatanes
Barangay count5
Postal code3905
Coastal/Landlockedcoastal
Marine waterbodiesSouth China Sea, Luzon Strait
Philippine major island(s)Itbayat
Area (2013)83.13 km2 (32.10 sq mi)
Population (2020)3,128
Density (2020)38 / km2 (97 / sq mi)
Coordinates20° 47' North, 121° 50' East (20.7858, 121.8407)
Estimated elevation above sea level98.8 meters (323.9 feet)

Itbayat is a coastal municipality in the island province of Batanes.

The municipality has a land area of 83.13 square kilometers or 32.10 square miles which constitutes 40.91% of Batanes's total area. Its population as determined by the 2020 Census was 3,128. This represented 16.61% of the total population of Batanes province, or 0.08% 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 97 inhabitants per square mile.

Barangays

Itbayat has 5 barangays as shown in the following table.

Demographic profile of barangays
Local government units of Itbayat
BarangayPopulation percentage (2020)Population (2020)Population (2015)Change (2015‑2020)Annual Population Growth Rate (2015‑2020)
Raele15.09%4724651.51%0.31%
San Rafael28.68%89774520.40%3.99%
Santa Lucia14.00%4384223.79%0.79%
Santa Maria15.60%4884635.40%1.11%
Santa Rosa26.63%8337727.90%1.61%
Itbayat Total3,1282,8679.10%1.85%

Economy

The annual regular revenue of Itbayat for the fiscal year of 2015 was 31,529,749.16.

details
Annual regular income of Itbayat (2009‑2016)
Fiscal YearAnnual Regular IncomeChange
200924,589,225.67
201025,706,830.294.55%
201127,950,874.748.73%
2012
201329,689,286.09
201433,061,393.5711.36%
201531,529,749.16-4.63%
2016

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 Itbayat in the 2015 Census was 2,843 broken down into 831 households or an average of 3.42 members per household.

details
Number of households in Itbayat (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
3,4376765.08
3,1226794.60
3,6167195.03
3,0697474.11
2,9817693.88
2,8438313.42

Population by age group

According to the 2015 Census, the age group with the highest population in Itbayat is 10 to 14, with 356 individuals. Conversely, the age group with the lowest population is Under 1, with 41 individuals.

details
Population of Itbayat by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1411.43%
1 to 42468.58%
5 to 933411.65%
10 to 1435612.42%
15 to 191465.09%
20 to 241455.06%
25 to 291886.56%
30 to 341786.21%
35 to 391776.17%
40 to 441806.28%
45 to 491726.00%
50 to 541876.52%
55 to 591234.29%
60 to 641194.15%
65 to 69772.69%
70 to 74792.76%
75 to 79471.64%
80 and over722.51%
Total2,867100.00%
  • Youth Dependency Ratio: 60.5
  • Old Age Dependency Ratio: 17.03
  • Total Dependency Ratio: 77.53
  • Median Age: 29.40

Historical population

The population of Itbayat grew from 1,198 in 1903 to 3,128 in 2020, an increase of 1,930 people over the course of 117 years. The latest census figures in 2020 denote a positive growth rate of 1.85%, or an increase of 261 people, from the previous population of 2,867 in 2015.

details
Population of Itbayat (1903‑2020)
Census datePopulationGrowth rate
1,198
1,3630.82%
1,6250.88%
1,9541.91%
2,3651.69%
2,7601.52%
2,9781.54%
2,859-0.81%
3,4481.89%
3,129-1.80%
3,6163.15%
3,069-2.24%
2,988-0.97%
2,867-0.78%
3,1281.85%

The total number of registered voters or electorate in Itbayat for the year 2019 was 1,922, broken down into 973 males and 949 females.

Location

The municipal center of Itbayat is situated at approximately 20° 47' North, 121° 50' East, in the island of Itbayat. Elevation at these coordinates is estimated at 98.8 meters or 323.9 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 Itbayat are Laoag, Ilocos Norte, Batac, Ilocos Norte, Tuguegarao, Cagayan, Tabuk, Kalinga, Vigan, Ilocos Sur, and Ilagan, Isabela. The nearest municipalities are Basco, Batanes, Mahatao, Batanes, Ivana, Batanes, Uyugan, Batanes, Sabtang, Batanes, and Calayan, Cagayan. Its distance from the national capital is 691.72 kilometers (429.81 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

  • Basco, Batanes, 39.43 kilometers (24.50 miles) to the South‑Southeast (S20°E)
  • Mahatao, Batanes, 42.46 kilometers (26.38 miles) to the South‑Southeast (S15°E)
  • Ivana, Batanes, 46.55 kilometers (28.92 miles) to the South (S9°E)
  • Uyugan, Batanes, 49.37 kilometers (30.67 miles) to the South‑Southeast (S12°E)
  • Sabtang, Batanes, 50.31 kilometers (31.26 miles) to the South (S4°E)
  • Calayan, Cagayan, 172.97 kilometers (107.48 miles) to the South‑Southwest (S13°W)

Nearest cities

Distance from Manila: 691.72 kilometers (429.81 miles) to the South (S8°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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