This was a new CDP for the 2010 census, with a population of 719.
[5]
Located along the North Concho River, Carlsbad was founded in 1907 under the name of Hughes. When the Post Office required the community to be renamed, residents chose the name of the spa town of Karlsbad in Bohemia, after local wells were discovered to yield mineral water.[6]
^Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.[9]