The total population of Camarines Sur, as of May 1, 2000, was 1,551,549 persons. This implied an increase of 118,951 persons over the 1995 census figure or an average annual population growth rate of 1.72 percent, slightly lower than the annual population growth rate recorded during the 1990 to 1995 period (1.75 percent). A corresponding increase on the number of households was also registered, from 265,030 households in 1995 to 288,172 households in 2000. This resulted to an average household size of 5.38 persons, slightly lower than the average household size (5.40 persons) recorded five years ago.

The total population of Cagayan, as of May 1, 2000, was 993,580 persons. This implied an increase of 98,530 persons over the 1995 census figure or an average annual population growth rate of 2.26 percent. This was 0.83 percentage point higher than the average growth rate recorded in the 1995 Census of Population (1.43 percent). A corresponding increase on the number of households was also registered, from 179,096 households in 1995 to 191,037 households in 2000. This resulted to an average household size of 5.19 persons, higher than the national average of five persons.

The Census 2000 results showed that Bukidnon reached a million population (1,060,415 persons) from 940,403 persons in the 1995 Census of Population. This figure recorded a 2.61 percent annual population growth rate, from a growth rate of 2.05 percent during the 1990 to 1995 period. A corresponding increase on the number of households was also recorded at 201,777 households, higher by 26,489 households over the 1995 figure. This resulted to an average household size of 5.25 persons, higher than the average household size recorded in 1995 and higher than the national average of five persons.