Nagtrigoan, Municipality of Pinili, Province of Ilocos Norte
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Norte |
| Municipality | Pinili |
| Postal code | 2905 |
| Population (2020) | 748 |
| Philippine major island(s) | Luzon |
| Coordinates | 17.9735, 120.5433 (17° 58' North, 120° 33' East) |
| Estimated elevation above sea level | 58.1 meters (190.6 feet) |
Nagtrigoan is a barangay in the municipality of Pinili, in the province of Ilocos Norte. Its population as determined by the 2020 Census was 748. This represented 4.24% of the total population of Pinili.
Demographics
Households
The household population of Nagtrigoan in the 2015 Census was 698 broken down into 168 households or an average of 4.15 members per household.
details
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 639 | 135 | 4.73 | |
| 629 | 136 | 4.63 | |
| 657 | 132 | 4.98 | |
| 682 | 151 | 4.52 | |
| 634 | 158 | 4.01 | |
| 698 | 168 | 4.15 |
Population by age group
According to the 2015 Census, the age group with the highest population in Nagtrigoan is 5 to 9, with 76 individuals. Conversely, the age groups with the lowest population are in the ranges Under 1, and 70 to 74, with 12 individuals.
details
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 12 | 1.72% |
| 1 to 4 | 51 | 7.31% |
| 5 to 9 | 76 | 10.89% |
| 10 to 14 | 51 | 7.31% |
| 15 to 19 | 53 | 7.59% |
| 20 to 24 | 57 | 8.17% |
| 25 to 29 | 51 | 7.31% |
| 30 to 34 | 56 | 8.02% |
| 35 to 39 | 45 | 6.45% |
| 40 to 44 | 43 | 6.16% |
| 45 to 49 | 45 | 6.45% |
| 50 to 54 | 39 | 5.59% |
| 55 to 59 | 32 | 4.58% |
| 60 to 64 | 20 | 2.87% |
| 65 to 69 | 21 | 3.01% |
| 70 to 74 | 12 | 1.72% |
| 75 to 79 | 15 | 2.15% |
| 80 and over | 19 | 2.72% |
| Total | 698 | 100.00% |
| ||
Historical population
The population of Nagtrigoan grew from 639 in 1990 to 748 in 2020, an increase of 109 people over the course of 30 years. The latest census figures in 2020 denote a positive growth rate of 1.47%, or an increase of 50 people, from the previous population of 698 in 2015.
| Census date | Population | Growth rate |
|---|---|---|
| 639 | – | |
| 629 | -0.30% | |
| 657 | 0.94% | |
| 682 | 0.52% | |
| 634 | -2.62% | |
| 698 | 1.85% | |
| 748 | 1.47% |
Location
Nagtrigoan is situated at approximately 17.9735, 120.5433, in the island of Luzon. Elevation at these coordinates is estimated at 58.1 meters or 190.6 feet above mean sea level.
Adjacent barangays
Nagtrigoan shares a common border with the following barangay(s):
Notes
- Data on population, and households, are from the Philippine Statistics Authority.
- Postal code information is from the Philippine Postal Corporation.