Halls Crossing is a census-designated place (CDP) in San Juan County, Utah, United States. The population was six at the 2010 Census. State Route 276 crosses the Colorado River at Halls Crossing using the Charles Hall Ferry.GeographyHalls Crossing is located at .According to the United States Census Bureau, the CDP has a total area of 17.5 square miles, of which 13.2 square miles of it is land and 4.3 square miles of it is water.DemographicsOnly 8-10 people live here year-round. The rest, up to 40 are seasonal employees during the spring and summer months. Demographics depend on the seasonal employees.As of the census of 2000, there were 89 people, 39 households, and 20 families residing in the CDP. The population density was 6.7 people per square mile (2.6/km²). There were 58 housing units at an average density of 4.4/sq mi (1.7/km²). The racial makeup of the CDP was 66.29% White, 28.09% Native American, 2.25% Asian, 3.37% from other races. Hispanic or Latino of any race were 3.37% of the population.