Population of Olongapo City increased at the rate of 1.31 percent annually
Based on the 2010 Census of Population and Housing (CPH), Olongapo City, a highly urbanized city in the province of Zambales, posted a total population of 221,178 persons as of May 1, 2010. This is larger by 26,918 persons compared to its total population of 194,260 persons counted in the 2000 CPH. The increase in the population count from 2000 to 2010 translated to an average annual population growth rate (PGR) of 1.31 percent. This is higher than the 0.05 percent annual PGR of the city between the census years 1990 and 2000.
If the average annual PGR recorded at 1.31 percent during the period 2000 to 2010 continues, the population of Olongapo City would double in 54 years.
Forty years ago, the population of Olongapo City was only 107,785 persons. This population size is less than one half of the population of the city in the 2010 CPH.
Santa Rita was the most populous barangay
Among the 17 barangays comprising Olongapo City, Santa Rita was the most populous with a population size making up 18.0 percent of the total population of the city. Gordon Heights came in second with 11.8 percent, followed by New Cabalan (11.5 percent), Baretto (8.5 percent), Old Cabalan (8.3 percent), East Bajac-Bajac (7.8 percent), and Kalaklan (5.8 percent). The rest of the barangays contributed less than 5.0 percent each.
The least populated barangay was New Ilalim with 0.6 percent share to the total population of the city. It was also the least populated barangay in 2000.
Sex ratio was 97 males per 100 females
Of the 220,118 household population in 2010, females accounted for 50.7 percent while males comprised 49.3 percent. These figures resulted in a sex ratio of 97 males for every 100 females. In 2000, the sex ratio recorded was the same as that in 2010.
Median age increased to 24.6 years
In 2010, the median age of the population of the city was 24.6 years, which means that half of the population was younger than 24.6 years. This is higher than the median age of 23.0 years that was recorded in 2000.
Moreover, 31.1 percent of the household population were under 15 years old. Persons aged 10 to 14 years (10.5 percent) comprised the largest age group, followed by those in the age groups 5 to 9 years (10.4 percent) and 0 to 4 years (10.2 percent). Males outnumbered females in the age groups 0 to 14 years and 35 to 39 years. On the other hand, there were more females than males in the age groups 15 to 34 years and 40 years and over.
More than three fifths of the population were of voting age
The voting-age population (18 years and over) accounted for 63.3 percent of the household population of the city in 2010, up from 59.6 percent in 2000. There were more females (52.2 percent) than males (47.8 percent) among the voting-age population.
Dependency ratio decreased to 54 dependents per 100 persons in the working age group
In 2010, the young dependents (0 to 14 years) comprised 31.1 percent of the household population while the old dependents (65 years and over) posted a share of 3.9 percent. The working-age population (15 to 64 years) accounted for the remaining 65.0 percent.
The overall dependency ratio was 54, which indicates that for every 100 working-age population, there were about 54 dependents (48 young dependents and six old dependents). This ratio is lower than the dependency ratio in 2000, which was recorded at 60 dependents per 100 working-age population (55 young dependents and five old dependents).
There were more males than females among the never-married persons
Of the household population 10 years old and over, 44.2 percent were never married while 37.3 percent were married. The rest of the population were in common-law/live-in marital arrangement (11.8 percent), widowed (4.4 percent), and divorced/separated (2.1 percent).
Among the never-married persons, 51.8 percent were males while 48.2 percent were females. For the rest of the categories for marital status, the females outnumbered the males.
More females had attained higher levels of education
Of the household population aged five years and over, 23.7 percent had attended or completed elementary education, 41.2 percent had reached or finished high school, 12.7 percent were college undergraduates, and 11.7 percent were academic degree holders. More females pursue higher levels of education than male, as majority of those with academic degrees (54.3 percent) and post baccalaureate courses (55.4 percent) were females.
Persons with disability comprised 2.0 percent of the population in the city
In 2010, around 4,300 persons or 2.0 percent of the 220,118 household population had a disability. This proportion of persons with disability (PWD) is higher than the proportion in 2000, which was 1.1 percent of the 193,752 household population of the city during that year. The number of PWD for the same year was around 2,100.
There were more females than males among those with functional difficulty
Of the 197,609 household population five years and over, 5.1 percent (or 10,081 persons) had at least one type of functional difficulty either in seeing, hearing, walking or climbing steps, remembering or concentrating, self-caring (bathing or dressing), or communicating. There were more females (56.2 percent) than males (43.8 percent) among those persons with at least one type of functional difficulty.
Moreover, of the total 10,081 persons aged five years and over with at least one type of functional difficulty, 87.3 percent reported difficulty in seeing, even if wearing eyeglasses. There were 13.8 percent who had difficulty in walking or climbing steps; 13.1 percent had difficulty in hearing, even if using a hearing aid; 6.6 percent had difficulty in remembering or concentrating; 5.8 percent had difficulty in communicating; and 5.5 percent had difficulty in self-caring (bathing or dressing).
Male overseas workers outnumbered their female counterparts
Of the 174,728 household population 10 years old and over in Olongapo City, 2.7 percent (or 4,719 persons) were overseas workers. Male overseas workers outnumbered their female counterparts as they comprised 71.7 percent of all overseas workers from this city. Overseas workers aged 45 years old and over made up the largest age group, comprising 30.2 percent of the total overseas workers from this city in 2010, followed by the age groups 35 to 39 years (17.0 percent), 30 to 34 years (15.5 percent), and 40 to 44 years (14.2 percent).
Average household size was 4.2 persons
The number of households in 2010 was recorded at 52,242, higher by 9,135 households compared with the 43,107 households posted in 2000. The average household size in 2010 was 4.2 persons, lower than the average household size of 4.5 persons in 2000.
There were 103 households per 100 occupied housing units
A total of 50,866 occupied housing units were recorded in Olongapo City in 2010. This translates to a ratio of 103 households for every 100 occupied housing units, with 4.3 persons per occupied housing unit. In 2000, there were 102 households per 100 occupied housing units, and 4.6 persons per occupied housing unit.
Occupied housing units with outer walls and roofs made of light materials decreased
In 2010, the proportion of occupied housing units with outer walls made of concrete/brick/stone increased from 55.3 percent in 2000 to 75.5 percent in 2010. The proportion of occupied housing units with outer walls made of half concrete/brick/stone and half wood decreased from 29.0 percent in 2000 to 13.5 percent in 2010. Those with outer walls made of wood decreased from 8.3 percent in 2000 to 6.8 percent in 2010. Meanwhile, approximately nine in every 10 (89.3 percent) of the occupied housing units in 2010 had roofs made of galvanized iron/aluminum, higher than the proportion of 81.6 percent recorded in 2000.
Majority of the households lived in lots that they owned or amortized
In 2010, of the total 52,242 households, 56.1 percent owned or amortized the lots that they occupied. The corresponding figure in 2000 was lower at 48.2 percent.
Moreover, 29.5 percent of the households rented the lots that they occupied, 13.5 percent of the households occupied lots which were rent-free but with consent of the owner while 0.4 percent occupied lots which were rent-free but without consent of the owner.