Zamboanga Del Norte's Total Population Grew by 1.35 Percent Annually (Results from the 2007 Census of Population)

Reference Number: 


Release Date: 

Monday, August 9, 2010


Total population increased by 84,108 persons

The total population of Zamboanga del Norte was 907,238 persons as of August 1, 2007, based on the 2007 Census of Population. This figure is higher by 84,108 persons than the population count of 823,130 persons in 2000. The population count of the province for census years 2000 and 2007 translated to an average annual population growth rate of 1.35 percent.

The number of households reached 184,123, higher by 22,611 households than the number of households reported in 2000. The average household size in 2007 was 4.9 persons, lower than the average household size of 5.1 persons in 2000.


Dipolog City topped in population size

Among the two cities and 25 municipalities in Zamboanga del Norte, its provincial capital, Dipolog City was the most populated with 12.5 percent share in the total provincial population. This was followed by the municipality of Sindangan (9.7 percent) and Dapitan City (8.0 percent). La Libertad, with 0.8 percent share, was the least populated municipality.

Sex ratio rose to 105 males for every 100 females

Of the 905,344 household population in Zamboanga del Norte, 51.3 percent were males and 48.7 percent were females. The sex ratio was recorded at 105 males for every 100 females. This is higher than the sex ratio of 104 males per 100 females recorded in 2000.

Median age was 21 years

The household population of Zamboanga del Norte in 2007 had a median age of 21 years, which means that half of the household population were younger than 21 years old. This median age is two years higher than the median age of 19 years recorded in 2000.

The proportion of persons in age group 10 to 14 years was the highest with 12.5 percent share, followed closely by those in age groups 5 to 9 years and 0 to 4 years with 12.4 percent share each.


Males outnumbered females in age brackets 0 to 59 years. On the other hand, there were more females than males in age brackets 60 years and over.

More than half of household population were of voting ages

More than half (55.8 percent) of the household population of Zamboanga del Norte were in the voting age group (18 years old and over). Males of voting ages (51.2 percent) outnumbered females (48.8 percent).

Overall dependency ratio dropped to 72 dependents per 100 working-age population

The proportion of household population in the working age group (15 to 64 years) was 58.3 percent, young dependents (0 to 14 years) comprised 37.3 percent, while old dependents (65 years and over) accounted for 4.5 percent.

The overall dependency ratio in 2007 was 72, which means that for every 100 persons in the working age group, there were about 72 dependents (64 young dependents and 8 old dependents). This is lower than the ratio of 76 dependents (70 young and 6 old dependents) per 100 persons in the working age group recorded in 2000.

More males than females were never married

Of the household population 10 years old and over in 2007, 47.6 percent were married while 43.8 percent were never married. The remaining 8.6 percent were widowed (4.4 percent), in common law/live-in marital arrangement (3.1 percent), divorced/separated (0.9 percent), or had unknown marital status (0.2 percent). Among the never-married persons, 55.5 percent were males and 44.5 percent were females. Females outnumbered males in the rest of the categories for marital status.

Females had higher levels of education than males

Of the household population 5 years old and over, 48.7 percent had attended or finished elementary education, 25.4 percent had reached or completed high school and 5.3 percent were college undergraduates. Academic degree holders comprised 5.9 percent, higher by 3.2 percentage points than the proportion of academic degree holders reported in 2000 (2.8 percent).

More females had attained higher levels of education than males, as majority of those with academic degrees and post baccalaureate courses were females (57.1 percent and 55.8 percent, respectively).

Among the household population 5 to 24 years old, 60.1 percent had attended school at anytime during School Year 2007 to 2008. School attendance among females (61.9 percent of the total females aged 5 to 24 years) was higher compared with that of males (58.5 percent of the total males aged 5 to 24 years) during the said school year.

Ratio of households per 100 occupied housing units remained at 101

The number of occupied housing units in 2007 reached 184,123, indicating an increase of 14.0 percent from the 161,512 occupied housing units reported in 2000. The average number of households for every 100 occupied housing units was 101. The same ratio was reported in 2000. The number of persons per occupied housing unit in 2007 was 5.0, slightly lower than the ratio of 5.1 persons per occupied housing unit recorded in 2000.

Most housing units had light materials for walls and roofs

Most of the housing units in Zamboanga del Norte had outer walls made of bamboo/sawali/cogon/nipa (40.7 percent). Comprising the next largest proportions were those with outer walls made of wood (35.3 percent) and concrete/brick/stone (13.1 percent). Use of bamboo/sawali/cogon/nipa as materials for the outer walls decreased by 4.9 percentage points, from 45.6 percent in 2000.

Moreover, majority of the housing units in Zamboanga del Norte used cogon/nipa/anahaw as materials for the roof (49.4 percent). Those using galvanized iron/aluminum made up the second largest proportion (47.2 percent). The use of cogon/nipa/anahaw as roofing materials was most frequently reported in 2007 census with 49.4 percent of occupied housing units with such roofing material. This is lower by 10.0 percentage points than the 59.4 percent recorded in 2000. The use of galvanized iron/aluminum as roofing materials at 47.2 percent is higher by 10.2 percentage points than the 37.0 percent recorded in 2000.







  Source:  Household Statistics Department
                   National Statistics Office
                   Manila, Philippines