Weldona is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Morgan County, Colorado, United States.

The CDP is a part of the Fort Morgan, CO Micropolitan Statistical Area.

The Weldona post office has the ZIP Code 80653.

[3] At the United States Census 2020, the population of the Weldona CDP was 113.

The Weldon Valley School District RE-20J serves Weldona.