Alianza, City of Bago, Province of Negros Occidental

Summary data
Typebarangay
Island groupVisayas
RegionWestern Visayas (Region VI)
ProvinceNegros Occidental
CityBago
Postal code6101
Population (2020)3,170
Philippine major island(s)Negros
Coordinates10.4734, 122.9301 (10° 28' North, 122° 56' East)
Estimated elevation above sea level33.0 meters (108.3 feet)

Alianza is a barangay in the city of Bago, in the province of Negros Occidental. Its population as determined by the 2020 Census was 3,170. This represented 1.66% of the total population of Bago.

Demographics

Households

The household population of Alianza in the 2015 Census was 3,211 broken down into 735 households or an average of 4.37 members per household.

details
Number of households in Alianza (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
1,9263625.32
2,0614444.64
2,4855324.67
2,6805624.77
2,8476424.43
3,2117354.37

Population by age group

According to the 2015 Census, the age group with the highest population in Alianza is 5 to 9, with 359 individuals. Conversely, the age group with the lowest population is 80 and over, with 24 individuals.

details
Population of Alianza by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 1521.62%
1 to 42407.47%
5 to 935911.18%
10 to 1435711.12%
15 to 192608.10%
20 to 243089.59%
25 to 292578.00%
30 to 342297.13%
35 to 392196.82%
40 to 442056.38%
45 to 491956.07%
50 to 541474.58%
55 to 591123.49%
60 to 64993.08%
65 to 69682.12%
70 to 74541.68%
75 to 79260.81%
80 and over240.75%
Total3,211100.00%
  • Youth Dependency Ratio: 49.63
  • Old Age Dependency Ratio: 8.47
  • Total Dependency Ratio: 58.1
  • Median Age: 25.57

Historical population

The population of Alianza grew from 1,926 in 1990 to 3,170 in 2020, an increase of 1,244 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 0.27%, or a decrease of 41 people, from the previous population of 3,211 in 2015.

Population of Alianza (1990‑2020)
Census datePopulationGrowth rate
1,926
2,0901.54%
2,4853.78%
2,6801.05%
2,8472.22%
3,2112.32%
3,170-0.27%

Location

Alianza is situated at approximately 10.4734, 122.9301, in the island of Negros. Elevation at these coordinates is estimated at 33.0 meters or 108.3 feet above mean sea level.


Adjacent barangays

Alianza shares a common border with the following barangay(s):

Notes

  1. Data on population, and households, are from the Philippine Statistics Authority.
  2. Postal code information is from the Philippine Postal Corporation.
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