- Inception
- 1987
- Population
- 145186, 267041, 384654, 364720, 551032, 730906, 811103, 914432, 1146191, 1254838, 1365220, 1520847
- Area
- 19422.03
- electorate
- 591358, 563670, 762268, 789581, 898696, 924751, 906162, 1013418, 1077900, 1077900, 1105063
- language used
- Pudtol Atta, Balangao, Isnag, Itawis, Southern Kalinga, Kankanaey, Finallig, Finontok, Tuwali, Kayapa Kallahan, Ibaloi
- located in the statistical territorial entity
- Luzon
- number of households
- 103804, 119481, 151004, 248971, 285654, 335230, 347362, 390923, 439166
- poverty incidence
- 51.03, 32.20, 25.95, 25.08, 22.84, 22.69, 12.05, 6.90