- Houma is a city located in Terrebonne Parish, Louisiana, United States. It is the largest city in the parish, with a population of approximately 33,000 people. Houma is known for its close proximity to the Gulf of Mexico and its strong ties to the maritime industry. It has a vibrant Cajun culture and is famous for its delicious food, such as seafood and gumbo. The city offers a range of outdoor activities, including boating, fishing, and swamp tours. Houma is also home to several festivals and events, including the Rougarou Fest and the Southdown Marketplace Arts and Crafts Festival.