DEMOGRAPHY

Total Population

The essential needs of the Filipinos such as food, education, health, housing, recreation, safety and other social and cultural amenities, which the development programs aim to provide, cannot be realized without taking into account the size, composition and distribution of the population. It should be understood that population is the most important set of information for planning. It is the basis for determining the level of needs for public services like schools, health centers, recreational facilities, power, water, protective services, etc. Population creates local demand for goods and services affecting the level of economic activities in sustaining their viable existence in an area. The present and projected size of the population is an equally important input in assessing housing and other basic needs adequacy as well as calculating future demand. It also serves as a guide for allocating land for various uses [HLURB CLUP Guidebook Volume II (2007)].

The results of the 2010 POPCEN show that the actual population size in the City of Santa Rosa has reached to 284,670 (Table 3). This recent total population count is 99,037 persons higher than in 2000. The increase in the population size of the city is shown in the annual growth rate of 4.37 percent for the period 2000-2010. The rate of population growth is at all times higher than the Philippines, Calabarzon Region, and Laguna Province’s average annual growth rates. The estimated annual population growth rate of the country, region and of the province (2000-2010) is 1.90, 3.07 and 3.11 percent, respectively.

The average growth rate of 6.96 percent for the period 1990-2000 in Santa Rosa is the highest recorded population growth rate of the town. Moreover, the proportion of the city’s population in 2010 to the province, region, and the country is 10.66, 2.26, and 0.31 percent, respectively.

Thirty five years ago, the population of Santa Rosa was only 47,639 persons. This population size increased almost five times in the 2010 actual census of population and housing (Figure 5-1). The population growth through the years can be attributed to the favorable economic development brought by the private sector, making Santa Rosa as an alternative location for businesses and residences other than Metropolitan Manila.

Projected Population

An estimate of the size of the future population, whether in total or by component parts, is essential information in any planning exercise (RPS, 2005). Population projection is the computation of future changes in population numbers, given certain assumptions about future trends in the rates of fertility, mortality, and migration. Demographers often publish high, medium, and low projections of the same population based on different assumptions of how these rates will change in the future. In the case of the City of Santa Rosa, the city used the medium assumption in projecting population.

Figure 5-2 presents the population projection from 2015 to 2040 in the City of Santa Rosa. The estimated total population for the province of Laguna for the year 2005 was computed using linear interpolation with the population from the 2000 Census of Population and Household (CPH) as base population and population from the 2010 CPH as end population. Linear interpolation was also used to estimate the population of the province for years 2015 to 2040 with the 2010 CPH count as base population, and the 2040 projected population from the 2000 Census-based population projections as end population. The percentage of population of the City of Santa Rosa to that of the Province of Laguna from the 2010 CPH was used to estimate the population of the city for years 2015 to 2040.

Among the 18 barangays comprising the City of Santa Rosa, the most populous barangay is Brgy. Pooc with an estimated 2015 population of 35,091 and a projected 2040 population of 42,656 (11.78 percent) (Table 5-2). The population boom in the barangay is explained by the establishment of Southville Subdivision (Phase 1-9) – a mass housing project of the National Government for informal settlers in Metro Manila.

The next most populated brangays are: Brgy. Dila (9.51), Brgy. Malitlit (7.81 percent), Brgy. Dita (7.24 percent), and Tagapo (7.23 percent).

The least populated is Brgy. Sto.Domingo, with a 1.12 percent share to the projected total population of Santa Rosa. First class subdivisions and a well-organized community are located in this barangay. Other less populated barangays are Brgy. Kanluran (1.52 percent), Brgy. Ibaba (1 59 percent), and Brgy. Malusak (1.85 percent).

 

Migration

Population growth due to migration was dramatically high until the 1990s (9.36) but slowed down thereafter (Table 5-3). However, the increase in population will continue despite the declining growth rate. The opening of many residential subdivisions as well as commercial and industrial establishments in Santa Rosa is expected to attract migrants of working age and child rearing age.

Population Doubling Time

One concept used to explain the implications of population growth rate is the time required for the population to double itself. Using the formula of dt = 0.69 over the population growth rate, the City of Santa Rosa would take about 16 years to double itself, assuming a growth rate of 4.37 percent.

Population Distribution

Age - Sex Distribution

Specific age groups represent a demand for certain services. For instance, persons of “dependent” ages (generally under age 15 and over age 64) that require specialized health services and facilities, “economically productive” ages (15-64 years) will have to be provided with jobs, “female/reproductive” ages (10-45 years) may be the target of family planning programs, among others (HLURB Cookbook and RPS, 2005).

Sex Composition

Sex affects the incidence of births, deaths, and marriages. It has also an implication on spatial mobility, work participation and occupational structure. One measure of sex composition is sex ratio, which is the number of males for every 100 females.

Of the 296,621 estimated population of Santa Rosa in 2013, there was an almost equal distribution of males (49.6) and females (50.4) as shown in Table 5-4. The sex ratio in the city was recorded at 98 males for every 100 females. In general, females tend to outnumber males as their age advances.

Table 5-4: Sex Composition, by Barangay, City of Santa Rosa, Laguna, 2013

Age Composition

The age structure of the population is determined in part by levels of births, deaths, and migration. Age distribution is usually depicted in a table that divides the population into groups of 5-year intervals (RPS, 2005).

Age Dependency Ratio is the ratio of persons in the “dependent” ages (generally under age 15 and over age 64) to those in the “economically productive” ages (15-64 years) in the population. It is sometimes divided into the old-age dependency (the ratio of people aged 65 and older to those aged 15-64 year) and the child dependency (ratio of people under 15 to those aged 15-64 years).

The total age dependency ratio of the city was estimated at 48 per hundred working persons in 2012. This implies that 100 working individuals would have to support 48 persons aside from themselves. For every 100 ind ividuals who are able to work in the city, there are 44 young dependents who are too young to earn a living (infants, children, and adolescents below 15 years old) and who depend on them for support. Moreover, the old dependents aged 65 years old and above constitute four percent of the economically productive population of the city.

Table 5-5: Age Composition by Five-Year Age Group, City of Santa Rosa, Laguna 2010-2040

Population Pyramid

The population pyramid provides a quick description of the relative size of the male and female population by age groups. The pyramid shows whether a population is predominantly young or old. The population of the City of Santa Rosa is expansive where large numbers are in the younger ages, as shown in the broad base of the pyramid.

Population Distribution by Age Group and Gender

School-Age Population

In 2013, the City of Santa Rosa had a total of 104,130 school-age population, or those between the ages of seven and twenty-four, inclusive. An increase of almost 4,000 school-age individuals was recorded for the period 2010 to 2013 (Table 5-6). The school-age population comprised 35 percent of the total population of Santa Rosa.

Voting-Age Population

The voting-age population (18 years old and over) accounted for 65.01 percent of the total population of the city in 2013. The voting-age population in 2010 is almost the same share at 64.99 percent.

The total number of registered voters and voters who actually vote during a particular election year are shown in Table 5-7. In the May 2010 election, the registered voters who actually voted comprised 73 percent of the total registered voters. It is 6 percent higher than the registered voters who actually voted in the 2007 election. The increased can be attributed to the massive campaign of both national and local governments to encourage first time voters to register in order to exercise their right to suffrage.

In the recent automated midterm election held in May 13, 2013, the registered voters who actually voted comprised 70 percent of the total registered voter population.

Figure 5-4: Total Registered Voters and Registered Voters Who Actually Voted, City of Santa Rosa, Laguna, 2007, 2010 & 2013

Population Density

One of the indicators of population distribution is gross population density, which is expressed as the number of persons per unit of land area, usually in hectares (has.) or square kilometers (sq.kms.). Historically, Santa Rosa had a density of 1,749 and 3,351 persons per square kilometer of land area in the year 1990 and 2000 respectively. In 2013, Santa Rosa had a population density of 5,347 persons per square kilometer of land area (Table 5-8).

Among the 18 barangays of Santa Rosa, Brgy.Malusak is the densest barangay at 39,097 persons per square kilometer of land area. This barangay also has the smallest land area of 0.14 square kilometer, with a dominantly residential land use. (Table 5-9), On the other hand, Brgy. Santo Domingo is the least dense barangay in the city at 411 persons per square kilometer of land area. This southwest barangay borders neighboring Silang municipality in Cavite.

Urban - Rural Distribution

Another indicator of population distribution is the extent of urbanization. This is consistent with the morphology (internal structure) of most Philippine municipalities/cities characterized by a compact urban area (poblacion) and scattered villages (barrios) (HLURB, 2007).

The NSO defines an urban area as (1) a barangay that has a population size of 5,000 or more; or (2) a barangay has at least one establishment with a minimum of 100 employees; or (3) a barangay has 5 or more establishments with a minimum of 10 employees and 5 or more facilities within the two- kilometer radius from the barangay hall (NSCB, 2003).

Based on these criteria on urban areas, population data and number of establishments with th e required number of employees, all barangays in the City of Santa Rosa are classified urban.

In terms of population size, majority of th e barangays (83) have a population of 5,000 or more. The rest of the barangays (17) have less than a 5,000 population count. These barangays are Brgy.lbaba, Brgy.Kanluran, and Brgy.Sto.Domingo.

However, the presence of NUVALI Solenad 1 &2, master-planned communities in Brgy. Sto.Domingo, the strategic location of Brgy. Ibaba and Brgy. Kanluran at the heart of Santa Rosa where many fast food chains 24/7 convenience stores commercial, retail, and financial establishments are situated, these barangays satisfy the other requirements of an urban area.

Social Composition and Characteristics

Household

The National Statistics Office (NSO) defines a household as a social unit consisting of a person living alone or a group of persons who sleep in the same housing unit and have a common arrangement in the preparation and consumption of food. Household population refers to all persons who are members of the household.

The institutional population refers to occupants of national/provincial/municipal/city jails or detention centers, military camps, mental hospitals, and drug rehabilitation centers (RPS, 2005).

Using the average household size of 4.3 persons per household, it is estimated that the City of Santa Rosa had 68,982 total households as of 2013 (Table 5-10).

Total Population Ten Years old and over by Marital Status

In the City of Santa Rosa, majority of the total population 10 years old and beyond were married (44.8%) as recorded in 2012. It was followed by those who were not yet married at all (41.8%), Common Law/Live In (7.4%), Widowed (4.2%), Divorced (1.7%), and unknown (0.2%)

Total Population Ten Years old and over by Highest Educational Attainment

In 2013, there were more females (52.3) than males (47.7) who were college degree holders in the City of Santa Rosa (Table 14). Majority of the residents in the city aged 10 years old and over were high school graduates (38.94), followed by elementary graduates (27.70), and academic degree holders (12.10). Less than one percent had a post baccalaureate degree in 2013.

Ratio Method was used to get the highest educational attainment of the population 10 years old and over. The origin of the data is the results of the 2010 Census of Population and Housing (CPH) in the Province of Laguna.

Contact Us

Address
J.P Rizal BLVD. Brgy. Malusak
City of Santa Rosa Laguna , Philippines 4026 
Local Number(049)530-0015(LOCAL 0)
City of Santa Rosa Laguna, Manila Line
(02) 8519-4024