Hudson is a town in Fremont County, Wyoming, United States. The population was 458 at the 2010 census. According to the United States Census Bureau, the town has a total area of 0.4 square miles (1.1 km²), all of it land.
As of the census of 2000, there were 407 people, 171 households, and 112 families residing in the town. The population density was 968.4 people per square mile (374.2/km²). There were 209 housing units at an average density of 497.3 per square mile (192.1/km²). The racial makeup of the town was 92.63% White, 0.25% African American, 2.21% Native American, 1.47% from other races, and 3.44% from two or more races. Hispanic or Latino of any race were 4.91% of the population.