The population of Burgos, Pangasinan reached at 20,416 as of the 2012census conducted by the municipality. This shows that the population grewby 2,101 residents from the recorded population of 18,315 persons in the 2010 Census of Population and Housing with May 2010 as reference date. Between 2010 and 2012, the average annual population growth of the municipality registered at 5.58%. Based on the available data, majority of the population of Burgos falls under the working age group and the labor force group. For the males, 26% of them are in the working age group and 30% are already in the labor force group. For the females of the municipality, 30% are in the working age group while 34% are in the labor force group. The potential and the actual labor force are not that too widespread in number when compared with each other. On the other hand, the dependent population group (ages 0 to 14 and 65 years old and above) when combined translates to 22.4% for the males and 19% for the females in the over-all population of the municipality. Also based on the data, the females are more numerous than the males except for the pre-school, elementary and the young age groups.
Burgos is predominantly a rural-based municipality with Barangay Poblacion classified as an urban settlement in the 2012 census. Barangay Poblacion has 2,847 residents or 7% of the whole population of the municipality. The rural areas include: Barangays Anapao, Cacayasen, Concordia, Don Matias, Ilio-Ilio, Papallasen, Pogoruac, San Miguel, San Pascual, San Vicente, Sapa Grande, Sapa Pequena and Tambacan. The most populous rural barangay is Pogoruac with 2,548 residents. The least populous rural barangay is Anapao with just 467 residents as of the latest survey.
The total population density of Burgos based on the 2012 municipal data is one (1) person per hectare which was arrived at by dividing the current population of 20,416 people over 14,035.0000 hectares of land as occupied by the municipality of Burgos. Thus, the urban barangay of Burgos has the greatest density with an average of 19 people per hectare while the average rural density is just one (1) person per hectare. The densest rural barangay of Burgos is Don Matias with an average of three (3) persons per hectare of land. And when the population density of Burgos of one (1) person per hectare is compared with the whole of the province of Pangasinan, it is lower by three (3) persons (provincial density is 4).