The old part of town is along the BNSF tracks and is accessible from Interstate 29 at Exit 15. However, most sources of employment are located near the Interstate 29/Iowa Highway 2 interchange at Exit 10 of Interstate 29. The ZIP code for Percival is 51648.
As of the census of 2020,[4] there were 53 people, 25 households, and 17 families residing in the community. The population density was 120.5 inhabitants per square mile (46.5/km2). There were 25 housing units at an average density of 56.8 per square mile (21.9/km2). The racial makeup of the community was 84.9% White, 0.0% Black or African American, 1.9% Native American, 0.0% Asian, 0.0% Pacific Islander, 3.8% from other races and 9.4% from two or more races. Hispanic or Latino persons of any race comprised 7.5% of the population.
Of the 25 households, 36.0% of which had children under the age of 18 living with them, 56.0% were married couples living together, 12.0% were cohabitating couples, 12.0% had a female householder with no spouse or partner present and 20.0% had a male householder with no spouse or partner present. 32.0% of all households were non-families. 20.0% of all households were made up of individuals, 12.0% had someone living alone who was 65 years old or older.
The median age in the community was 50.3 years. 20.8% of the residents were under the age of 20; 1.9% were between the ages of 20 and 24; 22.6% were from 25 and 44; 39.6% were from 45 and 64; and 15.1% were 65 years of age or older. The gender makeup of the community was 41.5% male and 58.5% female.
