Because the "Museums" designation represents a cultural precinct rather than an incorporated municipal city, distinct demographic data is unavailable for the museum grounds alone.
However, it is situated in the Cinnamon Gardens (Colombo 7) ward. This area is known for having a relatively low residential population density compared to the rest of Colombo, largely due to the presence of sprawling embassies, government institutions, elite schools, and large public parks. The residents of this district generally represent the highest income brackets in the country, including diplomats, business leaders, and political figures. The daytime population surges significantly as students, civil servants, and domestic and international tourists enter the precinct.