After 10 years the next population census had been conducted by NSO registering a population of 23,923 inhabitants on 1990. In comparison with the municipality's census two decades ago, from 1970 to 1980 and from 1980 to 1990 a population increase of 48.58% and 30.62% respectively was observed. In terms of population growth rate (1970-1980 has 4.04% and 1980-1990 2.70%)
