The 2000 Census of Population and Housing (Census 2000) results showed that Davao Oriental registered a total population of 446,191 persons, higher by 32,719 persons over the 1995 results. This figure translated to 1.64 percent annual growth rate, from 0.87 percent during the 1990 to 1995 period. A corresponding increase on the number of households was also recorded, from 78,553 in 1995 to 86,569 households in 2000. This resulted to an average household size of 5.15 persons, lower than the average household size of 5.26 in 1995.

Davao recorded a total of 743,811 persons in the 2000 Census of Population and Housing (Census 2000), higher by 72,478 persons as compared to 671,333 persons recorded in the 1995 Census of Population. The highest population growth rate recorded for Davao since 1970 was during the intercensal period 1970 to 1975 at an average annual growth rate of 6.60 percent. The annual population growth rate of 2.2 percent for the period 1995 to 2000, on the other hand, was the lowest growth rate recorded for Davao province. If the current growth rate continues, the population of Davao was expected to double in 31 years.

The population of Compostela Valley, as of May 2000 was 580,244 persons. This was up by 60,134 persons as compared to 520,110 persons in 1995. The highest population growth rate recorded for Compostela Valley since 1970 was during the intercensal period 1975 to 1980 at an annual growth rate of 6.33 percent. The lowest was during the period 1990 to 1995 at 2.07 percent. The annual growth rate for the period 1995 to 2000 was 2.37 percent.