The town is located at 22°37'60N 92°12'0E and has an elevation of 14 metres (46 ft) above sea level.

[1] According to the 2022 Bangladesh census, Rangamati had a population of 5,21,394 and a literacy rate of 85.62%.

[3]: 388–394 According to the 2011 Bangladesh census, Rangamati had 18,355 households and a population of 675269 .

Rangamati had a literacy rate (age 7 and over) of 73.13%, compared to the national average of 51.8%, and a sex ratio of 870 females per 1000 males.

[citation needed] Rangamati is surrounded by natural features such as mountains, rivers, lakes, and waterfalls.