Arlington (also Rockdale)[5] is a census-designated place (CDP) in southeastern Carbon County, Wyoming, United States.

[5] According to the United States Census Bureau, the CDP has a total area of 4.1 square miles (10.5 km2), all land.

[6] In its earliest years, Arlington was a commercial stop along the Overland Trail.

[9] Founded circa 1860,[4] it began with the establishment of a bridge and stage stop at the crossing of Rock Creek, after which it was named until the early twentieth century.

"[9] Except for a gap in 1924 and 1925, a post office with the name of Arlington was operated in the community from 1902 to 1943.