Dumfries-Triangle was a census-designated place (then termed an unincorporated place) in Prince William County, Virginia, United States. Its first and only designation was at the

1950 United States Census The United States census of 1950, conducted by the Census Bureau, determined the resident population of the United States to be 150,697,361, an increase of 14.5 percent over the 131,669,275 persons enumerated during the 1940 census. This was ...

and consisted of the unincorporated communities of

Dumfries Dumfries ( ; sco, Dumfries; from gd, Dùn Phris ) is a market town and former royal burgh within the Dumfries and Galloway council area of Scotland. It is located near the mouth of the River Nith into the Solway Firth about by road from the ...

and Triangle. It had a population of 1,585.1950 Census of Population
" U.S. Census Bureau. Retrieved on August 17, 2010. Dumfries-Triangle was deleted at the 1960 Census as Dumfries and Triangle were designated separately. As of the 2010 Census Dumfries and Triangle collectively have a population of 13,149.

References

{{coord , display=title, 38.557830, -77.325468 Populated places in Prince William County, Virginia Former census-designated places in Virginia