Weldon is a town in Jackson County, Arkansas, United States.

[3] According to the United States Census Bureau, the town has a total area of 0.27 square miles (0.7 km2), all land.

There were no families and 6.2% of the population living below the poverty line, including no one under eighteens and 9.5% of those over 64.

The Weldon Rock Island depot survived another 50 years after the railroad's demise, and on June 11, 1992, was added to the National Register of Historic Places.

The depot eventually succumbed to old age and neglect and the property was delisted from the Register on September 25, 2012.