Manama's 2026 population is now estimated at 555,660. In 2010, the population of Manama was 326,525. Manama has grown by 2,605 in the last year, which represents a 0.47% annual change. These population values and projections come from Information & eGovernment Authority Bahrain - Population by Governorate, Nationality and Sex and World Population Review Internal Projections .