Sigurd is a town in Sevier County, Utah, United States. The population was 429 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 1.0 square miles (2.7 km²), all of it land.
USG has a mine and production facilities in Sigurd.
As of the census of 2000, there were 430 people, 128 households, and 108 families residing in the town. The population density was 411.1 people per square mile (158.1/km²). There were 147 housing units at an average density of 140.5 per square mile (54.1/km²). The racial makeup of the town was 96.28% White, 1.40% Native American, 0.70% Asian, 0.23% from other races, and 1.40% from two or more races. Hispanic or Latino of any race were 2.33% of the population.
There were 128 households out of which 46.9% had children under the age of 18 living with them, 69.5% were married couples living together, 9.4% had a female householder with no husband present, and 15.6% were non-families. 15.6% of all households were made up of individuals and 11.7% had someone living alone who was 65 years of age or older.