| Naguilian, La Union’s Population declines by 2,032 persons (2020 Census of Population and Housing) |
| Luna, La Union Population grows at a rate of 0.88 percent (2020 Census of Population and Housing) |
| Luna, La Union Population grows at a rate of 0.88 percent (2020 Census of Population and Housing) |
| Luna, La Union Population grows at a rate of 0.88 percent (2020 Census of Population and Housing) |
| Luna, La Union Population grows at a rate of 0.88 percent (2020 Census of Population and Housing) |
| Luna, La Union Population grows at a rate of 0.88 percent (2020 Census of Population and Housing) |
| Caba, La Union's population increases at a rate of 1.01 percent (2020 Census of Population and Housing) |
| Caba, La Union's population increases at a rate of 1.01 percent (2020 Census of Population and Housing) |
| Caba, La Union's population increases at a rate of 1.01 percent (2020 Census of Population and Housing) |
| Caba, La Union's population increases at a rate of 1.01 percent (2020 Census of Population and Housing) |
