City of Chalmette, Louisiana

Chalmette is located at 29°56'31" North, 89°57'47" West (29.942222, -89.963056).

According to the United States Census Bureau, the city has a total area of 7.94 mi² (20.57 km²). 7.34 mi² (19.01 km²) of it is land and 0.60 mi² (1.56 km²) of it is covered by water. The total area is 7.59% water.

Chalmette is located in the Central Standard Time (CST) timezone, GMT-06:00. It observes Daylight Saving Time (DST).