Gainza, Province of Camarines Sur

Summary data
Typemunicipality
Island groupLuzon
RegionBicol Region (Region V)
ProvinceCamarines Sur
Barangay count8
Postal code4412
Coastal/Landlockedlandlocked
Marine waterbodiesnone (landlocked)
Philippine major island(s)Luzon
Area (2007)14.75 km2 (5.70 sq mi)
Population (2015)11,262
Density (2015)764 / km2 (1,976 / sq mi)
Coordinates13° 37' North, 123° 8' East (13.6130, 123.1310)
Estimated elevation above sea level3.2 meters (10.4 feet)

Gainza is a landlocked municipality in the coastal province of Camarines Sur.

The municipality has a land area of 14.75 square kilometers or 5.70 square miles which constitutes 0.27% of Camarines Sur's total area. Its population as determined by the 2015 Census was 11,262. This represented 0.58% of the total population of Camarines Sur province, or 0.19% of the overall population of the Bicol Region. Based on these figures, the population density is computed at 764 inhabitants per square kilometer or 1,976 inhabitants per square mile.

Barangays

Gainza has 8 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)
Cagbunga15.89%1,7891,6528.29%1.53%
Dahilig11.45%1,2891,16310.83%1.98%
District I11.95%1,3461,18313.78%2.49%
District II10.88%1,2251,1625.42%1.01%
Loob12.24%1,3781,403-1.78%-0.34%
Malbong14.29%1,6091,40214.76%2.66%
Namuat4.69%5284986.02%1.12%
Sampaloc18.63%2,0981,88211.48%2.09%
Gainza Total11,26210,3458.86%1.63%

Economy

According to the Bureau of Local Government Finance, the annual regular revenue of Gainza for the fiscal year of 2016 was 41,725,880.60.

details
Fiscal YearAnnual Regular IncomeChange
200923,147,916.05
201024,594,729.406.25%
201126,896,202.989.36%
201227,075,085.080.67%
201329,318,299.508.29%
201433,265,418.6813.46%
201537,940,466.7814.05%
201641,725,880.609.98%

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 Gainza is 10 to 14, with 1,331 individuals. Conversely, the age group with the lowest population is 80 and over, with 93 individuals.

details
Age groupPopulation (2015)
Under 1224
1 to 41,112
5 to 91,323
10 to 141,331
15 to 191,270
20 to 24901
25 to 29775
30 to 34712
35 to 39674
40 to 44622
45 to 49546
50 to 54451
55 to 59384
60 to 64301
65 to 69259
70 to 74167
75 to 79117
80 and over93
Total11,262

Historical population

The population of Gainza grew from 5,068 in 1960 to 11,262 in 2015, an increase of 6,194 people. The latest census figures in 2015 denote a positive growth rate of 1.63%, or an increase of 917 people, from the previous population of 10,345 in 2010.

details
Census datePopulationGrowth rate
5,068
4,823-0.48%
5,9314.24%
6,2120.93%
7,0951.34%
7,7431.65%
8,4121.79%
9,4041.55%
10,3453.53%
11,2621.63%

Location

The municipal center of Gainza is situated at approximately 13° 37' North, 123° 8' East, in the island of Luzon. Elevation at these coordinates is estimated at 3.2 meters or 10.4 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 Gainza are Naga, Iriga, Ligao, Tabaco, Legazpi, and Sorsogon City. The nearest municipalities are Camaligan, San Fernando, Milaor, Canaman, Pamplona, and Minalabac. Its distance from the national capital is 256.23 kilometers (159.22 miles). The following list delineates such distance measurements.

great-circle distance

Nearest towns

Nearest cities

Distance from Manila: 256.23 kilometers (159.22 miles) to the West‑Northwest (N65°W)

National rankings

  • Population (2015): 11,262, ranked 1,500 out of 1,634
  • Land area (2007): 5.70 square kilometers, ranked 1,604 out of 1,634
  • Population density (2015): 764 inhabitants per square kilometer, ranked 236 out of 1,634
  • Annual population growth rate (2010 to 2015): 1.63%, ranked 1,175 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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