Hildale is a city in Washington County, Utah, United States. The population was 2,726 at the 2010 census.
Hildale is located on the border of Utah and Arizona. The United Effort Plan, a financial trust, owns most of the property in the city.
Hildale, formerly known as Short Creek Community, was founded in 1913 by members of the Council of Friends, a breakaway group from the Salt Lake City-based The Church of Jesus Christ of Latter-day Saints (LDS Church).
On September 14, 2015, at least 12 members of two related families from the community were killed in a flash flood while stopped in a low water crossing at the mouth of Maxwell Canyon in Hildale. A thirteenth person was still missing as of September 16, 2015.
According to the United States Census Bureau, the city has a total area of 2.9 square miles (7.5 km2), all land.
According to the Köppen Climate Classification system, Hildale has a semi-arid climate, abbreviated "BSk" on climate maps.
As of the census of 2000, there were 1,895 people, 232 households, and 215 families residing in the city. The population density was 644.2 per square mile (248.9/km2). There were 243 housing units at an average density of 82.6 per square mile (31.9/km2).