Butir, Municipality of Santa Maria, Province of Ilocos Sur

Summary data
Typebarangay
Island groupLuzon
RegionIlocos Region (Region I)
ProvinceIlocos Sur
MunicipalitySanta Maria
Postal code2705
Population (2020)635
Philippine major island(s)Luzon
Coordinates17.3746, 120.5106 (17° 22' North, 120° 31' East)
Estimated elevation above sea level17.2 meters (56.4 feet)

Butir is a barangay in the municipality of Santa Maria, in the province of Ilocos Sur. Its population as determined by the 2020 Census was 635. This represented 2.12% of the total population of Santa Maria.

Demographics

Households

The household population of Butir in the 2015 Census was 724 broken down into 200 households or an average of 3.62 members per household.

details
Number of households in Butir (1990‑2015)
Census dateHousehold populationNumber of householdsAverage household size
6241254.99
5921274.66
6241364.59
7131803.96
7331794.09
7242003.62

Population by age group

According to the 2015 Census, the age group with the highest population in Butir is 5 to 9, with 67 individuals. Conversely, the age group with the lowest population is Under 1, with 8 individuals.

details
Population of Butir by age group (2015 census)
Age groupPopulation (2015)Age group percentage
Under 181.10%
1 to 4527.18%
5 to 9679.25%
10 to 14658.98%
15 to 19598.15%
20 to 24567.73%
25 to 29435.94%
30 to 34557.60%
35 to 39618.43%
40 to 44466.35%
45 to 49496.77%
50 to 54364.97%
55 to 59233.18%
60 to 64304.14%
65 to 69192.62%
70 to 74162.21%
75 to 79172.35%
80 and over223.04%
Total724100.00%
  • Youth Dependency Ratio: 41.92
  • Old Age Dependency Ratio: 16.16
  • Total Dependency Ratio: 58.08
  • Median Age: 31.09

Historical population

The population of Butir grew from 624 in 1990 to 635 in 2020, an increase of 11 people over the course of 30 years. The latest census figures in 2020 denote a negative growth rate of 2.72%, or a decrease of 89 people, from the previous population of 724 in 2015.

Population of Butir (1990‑2020)
Census datePopulationGrowth rate
624
592-0.98%
6241.14%
7131.86%
7331.01%
724-0.23%
635-2.72%

Location

Butir is situated at approximately 17.3746, 120.5106, in the island of Luzon. Elevation at these coordinates is estimated at 17.2 meters or 56.4 feet above mean sea level.


Adjacent barangays

Butir 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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