The 2000 Census of Population and Housing (Census 2000) results showed that Cotabato City registered a total population of 163,849 persons, higher by 17,070 persons over the 1995 Census of Population (POPCEN) results. This figure recorded a 2.38 percent annual population growth rate, lower by 0.35 percentage point than the annual population growth rate during the 1990 to 1995 period. A corresponding increase on the number of households was also recorded at 31,227 households, higher by 4,134 households over the 1995 figure. This resulted to an average household size of 5.17 persons, slightly higher than the average household size (5.38 persons) recorded five years ago and the national average of five persons.

Cebu City recorded a total population of 718,821 persons in the 2000 Census of Population and Housing (Census 2000). This was up by 56,522 persons as compared to the 1995 Census of Population (POPCEN) results. For the period 1995 to 2000, the annual population growth rate for Cebu City was 1.77 percent, still low compared to the growth rate during the '70s and '80s but higher than the 1.54 percent annual population growth rate during the 1990 to 1995 period. If the current annual population growth rate of the province continues, the population of Cebu City is expected to double in 39 years.

Caloocan City recorded a total population of 1,177,604 persons in the 2000 Census of Population and Housing (Census 2000). This was up by 154,445 persons as compared to 1,023,159 persons recorded in the 1995 Census of Population (POPCEN). For the period 1995 to 2000, the annual population growth rate of Caloocan City was 3.06 percent, lower than that of the 1990 to 1995 period (5.64 percent). If the current annual population growth rate of the city continues, the population of Caloocan City is expected to double in 23 years.