Notable villages in the region include Buxton, Enmore, Victoria and Paradise.

The Government of Guyana has administered three official censuses since the 1980 administrative reforms, in 1980, 1991 and 2002.

[4] Even though this administrative region is the smallest, it has the largest population out of all Guyana's Administrative Regions.

In 2012, the population of Demerara-Mahaica was recorded at 313,429 people.

[5] Official census records for the population of the Demerara-Mahaica region are as follows: With name variants in parentheses.