Marvin is a mid-sized city complex located near the South Carolina border in southwest North Carolina. The most pleasant months to live in Marvin are May and October. The most unfavorable months are September and November. This area is located near the larger city of Charlotte, which has evolved from its agricultural origins into a modern urban financial center. Its financial sector has led to the development of a diversified industrial and commercial economy. The city's downtown core boasts a mix of contemporary skyscrapers and well-preserved 19th century neighborhoods.
Located in Union County, Marvin has a population of 6,553. The majority of people in Marvin are Caucasian, with a minority of Asian residents. The other minority group is Black or African American. The sexes are balanced 50/50. The median household income in Marvin is $206,473, which places it in the top five richest cities in the state of North Carolina.