A subdistrict of the Gentilly District Area, its boundaries as defined by the City Planning Commission are: Leon C. Simon Drive to the north, People's Avenue to the east, Filmore Ave to the south and Elysian Fields Avenue to the west, putting it within the 8th Ward of New Orleans.

[2] According to the United States Census Bureau, the district has a total area of 0.73 square miles (1.9 km2).

The boundaries according to local tradition can vary, with some saying Milneburg is located in the area bordered by the streets of St. Roch, Elysian Fields, Filmore and Mexico, while others groups state the area is much larger, going from Leon C. Simon to Filmore, and Elysian Fields to Franklin.

Vernacular homes feature deep one and two story porches, high ceilings with columns, French doors with full-length windows and large shutters.

Victorian homes feature architectural details such as arches, large porches, and decorative millwork .