The unincorporated community of Chalmette is the parish seat of St. Bernard Parish, in the U.S. state of Louisiana. The population was 32,069 at the 2000 census. Chalmette is on the east bank of the Mississippi River, just down river from Arabi, Louisiana, some 2 miles from the border of New Orleans. Chalmette apartments for rent comparison page shows most up to date rent information on Chalmette apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.