The total population of Benguet, as of August 1, 2007, was 372,533 persons. This figure registered an increase of 42,404 persons over the total population of 330,129 persons in 2000. The annual population growth rate was recorded at 1.68 percent, higher by 0.6 percentage point from the 1.09 percent annual population growth rate in 2000.

The National Capital Region, which covers the 12 cities and five municipalities, recorded a total population of 9,932,560 persons in the 2000 Census of Population and Housing (Census 2000). This was up by 478,520 persons as compared to 9,454,040 persons recorded in the 1995 Census of Population (POPCEN). For the period 1995 to 2000, the annual population growth rate for the National Capital Region was 1.06 percent, lower than that of the 1990 to 1995 period (3.30 percent). If the current annual population growth rate of the metropolitan area continues, the population is expected to double in 65 years.