Guernsey is a town in Poweshiek County, Iowa, United States.

[5] According to the United States Census Bureau, the town has a total area of 0.18 square miles (0.47 km2), all land.

[6] As of the census of 2020,[8] there were 63 people, 31 households, and 19 families residing in the city.

There were 32 housing units at an average density of 56.9 per square mile (22.0/km2).

Hispanic or Latino persons of any race comprised 1.6% of the population.

There were 32 housing units at an average density of 177.8 per square mile (68.6/km2).

25.9% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

There were 34 housing units at an average density of 184.5 per square mile (71.2/km2).

31.0% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.