Nag‑Iba I, City of Calapan, Province of Oriental Mindoro
| Type | barangay |
|---|---|
| Island group | Luzon |
| Region | MIMAROPA Region |
| Province | Oriental Mindoro |
| City | Calapan |
| Postal code | 5200 |
| Population (2020) | 989 |
| Philippine major island(s) | Mindoro |
| Coordinates | 13.3400, 121.2721 (13° 20' North, 121° 16' East) |
| Estimated elevation above sea level | 8.5 meters (27.9 feet) |
Nag‑Iba I is a barangay in the city of Calapan, in the province of Oriental Mindoro. Its population as determined by the 2020 Census was 989. This represented 0.68% of the total population of Calapan.
Demographics
Households
The household population of Nag-Iba I in the 2015 Census was 947 broken down into 245 households or an average of 3.87 members per household.
Trends in household population and size
| Census date | Household population | Number of households | Average household size |
|---|---|---|---|
| 899 | 173 | 5.20 | |
| 927 | 195 | 4.75 | |
| 1,102 | 210 | 5.25 | |
| 883 | 204 | 4.33 | |
| 1,029 | 228 | 4.51 | |
| 947 | 245 | 3.87 |
Population by age group
According to the 2015 Census, the age group with the highest population in Nag-Iba I is 5 to 9, with 109 individuals. Conversely, the age group with the lowest population is 75 to 79, with 9 individuals.
Age distribution
| Age group | Population (2015) | Age group percentage |
|---|---|---|
| Under 1 | 12 | 1.27% |
| 1 to 4 | 86 | 9.08% |
| 5 to 9 | 109 | 11.51% |
| 10 to 14 | 87 | 9.19% |
| 15 to 19 | 86 | 9.08% |
| 20 to 24 | 81 | 8.55% |
| 25 to 29 | 80 | 8.45% |
| 30 to 34 | 68 | 7.18% |
| 35 to 39 | 59 | 6.23% |
| 40 to 44 | 42 | 4.44% |
| 45 to 49 | 48 | 5.07% |
| 50 to 54 | 45 | 4.75% |
| 55 to 59 | 47 | 4.96% |
| 60 to 64 | 33 | 3.48% |
| 65 to 69 | 19 | 2.01% |
| 70 to 74 | 22 | 2.32% |
| 75 to 79 | 9 | 0.95% |
| 80 and over | 14 | 1.48% |
| Total | 947 | 100.00% |
| ||
Historical population
The population of Nag-Iba I grew from 899 in 1990 to 989 in 2020, an increase of 90 people over the course of 30 years. The latest census figures in 2020 denote a positive annualized growth rate of 0.92%, or an increase of 42 people, from the previous population of 947 in 2015.
Trends in population growth
| Census date | Population | Annualized Growth Rate |
|---|---|---|
| 899 | – | |
| 927 | 0.58% | |
| 1,102 | 3.78% | |
| 883 | -3.01% | |
| 1,029 | 5.73% | |
| 947 | -1.57% | |
| 989 | 0.92% |
Location
Nag‑Iba I is situated at approximately 13.3400, 121.2721, in the island of Mindoro. Elevation at these coordinates is estimated at 8.5 meters or 27.9 feet above mean sea level.
Adjacent barangays
Nag‑Iba I 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.