Chalmette is a medium-sized town located in the state of Louisiana. With a population of 21,562 people and eight associated neighborhoods, Chalmette is the 21st largest community in Louisiana.

The citizens of Chalmette are slightly less educated than the national average of 21.84% for the average city or town: 15.06% of adults in Chalmette have a bachelor's degree or advanced degree

The per capita income in Chalmette in 2022 was $28,480, which is upper middle income relative to Louisiana, and lower middle income relative to the rest of the US. This equates to an annual income of $113,920 for a family of four. However, Chalmette contains both very wealthy and poor people as well.

Chalmette is an extremely ethnically-diverse town. The people who call Chalmette home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Chalmette residents report their race to be White, followed by Black or African-American. Important ancestries of people in Chalmette include French, Italian, German, Irish, and English.

The most common language spoken in Chalmette is English. Other important languages spoken here include Spanish and Vietnamese.