The economy of Mamit is primarily driven by government services, agriculture, and small-scale retail. As a district capital, public administration, education, and healthcare provide a significant portion of the salaried employment in the town. These government salaries inject crucial liquidity into the local economy.
Beyond public sector employment, Mamit serves as the commercial center for the surrounding agrarian villages. Farmers bring their produce to the town's markets, fostering a vibrant local trade network. While large-scale industries are absent, there is a growing focus on eco-tourism due to the Dampa Tiger Reserve, which provides supplementary income through hospitality, transport, and local guiding.
The cost of living is relatively moderate, though the prices of manufactured goods can be higher than in mainland India due to the high costs of transportation over difficult mountainous terrain.

