Northwest's 2026 population is now estimated at 2,475,421. In 2005, the population of Northwest was 700,300. Northwest has grown by 120,727 in the last year, which represents a 5.13% annual change. These population values and projections come from Somalia region estimate 2005 via CityPopulation attribution, Somalia region estimate 2014 via CityPopulation attribution, Somalia region calculation 2019 via CityPopulation attribution and World Population Review Internal Projections .