Mount Pleasant is a town in Izard County, Arkansas, United States. As of the 2010 census, the town population was 414.
Mount Pleasant is located in southeastern Izard County at 35°58′45″N 91°46′2″W (35.979214, -91.767344).
According to the United States Census Bureau, the town has a total area of 3.34 square miles (8.66 km2), of which 3.33 square miles (8.63 km2) are land and 0.02 square miles (0.04 km2), or 0.43%, are water.
As of the census of 2000, there were 401 people, 166 households, and 113 families residing in the town. The population density was 44.7/km2 (115.8/mi2). There were 182 housing units at an average density of 20.3/km2 (52.6/mi2). The racial makeup of the town was 99.25% White, 0.25% Asian, and 0.50% from two or more races. 1.50% of the population were Hispanic or Latino of any race.
There were 166 households, out of which 37.3% had children under the age of 18 living with them, 52.4% were married couples living together, 11.4% had a female householder with no husband present, and 31.9% were non-families. 28.3% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 3.00.
In the town, the population was spread out, with 30.2% under the age of 18, 6.5% from 18 to 24, 27.9% from 25 to 44, 23.2% from 45 to 64, and 12.2% who were 65 years of age or older.