The population of the Municipality of Rosario as of August 1, 2015 was 116,764, based on the 2015 Census of Population (POPCEN 2015), which make it the 6th most populous municipality of the Province of Batangas. The indicative sex ratio for 2015 is 101.6 or about 102 males for every 100 females.
The young dependents or the children and youth constitute 41.3% or about 2 persons for every 5 population. The productive population or the working age group consisting of 15 to 64-year-olds make up 58.7 % of the total or 6 of 10 people in Rosario. The elderly or the 65-year olds and over which are already considered too old to work represent the remaining 4.7% of the population or 1 in every 20 people of Rosario.
The age dependency ratio was placed at 70 persons below 15 and over 65 years old for every 100 persons in the working age group of 15-64 years old. Economically active population or the age group 15 years old and over accounted for 63.4% of the population. School going population numbering 54,228 for 2015 consists of the pre-school (7.3%), elementary (14.8%), junior high school (9.8%), senior high school (4.3%) and tertiary levels (6.9%). There are 103 males for every 100 females in this age group.
One-third of the population is in the 13 urban barangays (Poblacion A, Poblacion B, Poblacion C, Poblacion D, Poblacion E, Alupay, Bagong Pook, Itlugan, Masaya, Namuco, Namunga, San Roque and Quilib) and the remaining two-thirds are in the 36 rural barangays. Over 6% of the urban population is in the Poblacion barangays, while the remaining 27% is in the other urban barangays.
Over the decades since 1970, although the level of urbanization was steadily rising, this peaked in 2015 when the urban population comprised 27.0% of the total population. The gross population density is 556 persons per square kilometer.
For the period 2000-2007, the annual population growth rate (AGR) of Rosario was at 3.62% which could double the population in less than 20 years or sometime in 2029, towards the end of the planning period.
On the other hand, using the longer time frame of 1990-2015 and with an AGR of 2.23%, the population would double sometime in 2046. Fertility in terms of Crude Birth Rate (CBR) is 26.4 live births per 1,000 mid-year population, while mortality in terms of Crude Death Rate (CDR) is 4.8% deaths per 1,000 mid-year population.
During the period 2007-2011, the Rate of Natural Increase (RNI) or the speed at which a population is increasing in a given period as a result of the interaction of the natural demographic processes of births and deaths was relatively stable at 1.5%-1.7% range which translated to a 1.4% in-migration rate.
Married persons accounted for 47.8% of the population while never-married or single persons is at 47.4% where there are more single males than single females overall.
Tagalog is still the mother tongue of 96.0%-99.6% of the population but in terms of regional ethnicity, Visayan represents 0.17%-0.21% while Bikol has 0.13%-0.34%, and Ilocano ranges at 0.03%-0.07%. Mother tongue of foreign nationalities was also reported including Chinese, Korean, Arab and American.
Majority of the population is Roman Catholic with estimates ranging 92.9%-93.5% of the total, while the Iglesia Ni Cristo comes next at 2.2%-2.3% of the population. The Born-Again Christians or the Evangelicals, depending on which data you are using, are closing in at 1%-2% range, and they became the 3rd largest religious group displacing the Aglipayan (Philippine Independent Church) which is now anywhere between 4th to 5th spot. Literacy rate stood at 92% of the population.
About 73% of the labor force is employed and over 3% of this is estimated to be Overseas Filipino Workers (OFWs).
The municipality of Rosario lies between 13°41’7”N and 13°52’31”N latitude and 121°9’54”E and 121°21’50”E longitude. The Rosario Town Proper is located at the intersection of 13°50'50.37" North latitude and 121°12'24.33" East longitude.
The municipality located at the south eastern portion of Batangas Province along with the south eastern boundaries of the province with Quezon Province. It is bounded on the north by Lipa City, Padre Garcia and San Antonio, Quezon; on the south by the municipalities of Taysan and Lobo; east by the municipality of San Juan and on the west by the municipality of Ibaan.
Territorial Jurisdiction and Barangay Subdivision
The Municipality of Rosario belongs to the Fourth Congressional District of Batangas Province. The municipality is subdivided into 48 barangays with four (4) municipal districts based on the subwatershed area where they belong:
- the Northeastern Municipal District (Malaquing Ilog River/Bolbok River Subwatershed),
- the Eastern Municipal District (Lawaye River Subwatershed),
- the Southeastern Municipal District (Rosario River Subwatershed), and
- the Western Municipal District (Calumpang River Subwatershed).
Timberland or Forestland
Based on the Land Classification Map of the alienable and disposable land (A & D) and timberland, and in consultation with the Department of Environment and Natural Resources – Community Environment and Natural Resources Office (DENR-CENRO), municipalilty has 735.43 hectares of timberland/forestland.
Vision and Mission