Marfa is a city in the high desert of the Trans-Pecos in far West Texas, United States, between the Davis Mountains and Big Bend National Park. It is the county seat of Presidio County, and its population as of the 2020 United States Census was 1,788. The city was founded in the early 1880s as a water stop; the population peaked in the 1930s and has continued to decline each decade since. Today, Marfa is a tourist destination and a major center for minimalist art.