San Gregorio, Municipality of San Nicolas, Province of Ilocos Norte
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | Ilocos Region (Region I) |
| Province | Ilocos Norte |
| Municipality | San Nicolas |
| Postal code | 2901 |
| Population (2020) | 1,987 |
| Philippine major island(s) | Luzon |
| Coordinates | 18.1734, 120.5889 (18° 10' North, 120° 35' East) |
| Estimated elevation above sea level | 13.3 meters (43.6 feet) |
San Gregorio, formerly Poblacion, is a barangay in the municipality of San Nicolas, in the province of Ilocos Norte. Its population as determined by the 2020 Census was 1,987. This represented 5.11% of the total population of San Nicolas.
Demographics
Households
The household population of San Gregorio in the 2015 Census was 1,718 broken down into 405 households or an average of 4.24 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 1,338 | 267 | 5.01 | |
| 1,428 | 324 | 4.41 | |
| 1,492 | 335 | 4.45 | |
| 1,558 | 316 | 4.93 | |
| 1,534 | 358 | 4.28 | |
| 1,718 | 405 | 4.24 |
Population by age group
According to the 2015 Census, the age group with the highest population in San Gregorio is 5 to 9, with 175 individuals. Conversely, the age group with the lowest population is 80 and over, with 22 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 32 | 1.86% |
| 1 to 4 | 126 | 7.33% |
| 5 to 9 | 175 | 10.19% |
| 10 to 14 | 166 | 9.66% |
| 15 to 19 | 144 | 8.38% |
| 20 to 24 | 108 | 6.29% |
| 25 to 29 | 144 | 8.38% |
| 30 to 34 | 154 | 8.96% |
| 35 to 39 | 132 | 7.68% |
| 40 to 44 | 104 | 6.05% |
| 45 to 49 | 93 | 5.41% |
| 50 to 54 | 85 | 4.95% |
| 55 to 59 | 83 | 4.83% |
| 60 to 64 | 58 | 3.38% |
| 65 to 69 | 38 | 2.21% |
| 70 to 74 | 27 | 1.57% |
| 75 to 79 | 27 | 1.57% |
| 80 and over | 22 | 1.28% |
| Total | 1,718 | 100.00% |
| ||
Historical population
The population of San Gregorio grew from 1,338 in 1990 to 1,987 in 2020, an increase of 649 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 3.11%, or an increase of 269 people, from the previous population of 1,718 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 1,338 | – | |
| 1,428 | 1.23% | |
| 1,492 | 0.94% | |
| 1,558 | 0.60% | |
| 1,534 | -0.56% | |
| 1,718 | 2.18% | |
| 1,987 | 3.11% |
Location
San Gregorio is situated at approximately 18.1734, 120.5889, in the island of Luzon. Elevation at these coordinates is estimated at 13.3 meters or 43.6 feet above mean sea level.
Adjacent barangays
San Gregorio 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.