Denham Springs is a city in Livingston Parish, Louisiana, United States, and part of the Baton Rouge Metropolitan Statistical Area. Downtown Denham Springs has transformed itself from hardware stores, drug stores, doctor's offices, and a single movie theater to a collection of various and varied forms of antique dealers. The downtown area is now called the Denham Springs Antique Village. Denham Springs has a Mardi Gras Parade held two Saturdays before Mardi Gras. Denham Springs hosts the Springfest, held on the last Saturday in April. Denham Springs is the largest area of commercial and residential development in Livingston Parish, and the only parish municipality classified as a city.