This is a demography of the population of Sri Lanka including population density, ethnicity, education level, health of the population, economic status, religious affiliations and other aspects of the population.

The Northern Province is one of the nine provinces of Sri Lanka. The province has an area of 8,884 km2, making it the 3rd largest province by area, and a population of 1,061,315, making it the least populated province. The city of Jaffna is the capital city of the province.