Gibson is a city in Keokuk County, Iowa, United States. The population was 61 at the 2010 census.
Gibson is located at 41°28′50″N 92°23′35″W (41.480571, -92.393031).
According to the United States Census Bureau, the city has a total area of 0.07 square miles (0.18 km2), all of it land.
As of the census of 2010, there were 61 people, 28 households, and 18 families living in the city. The population density was 871.4 inhabitants per square mile (336.4/km2). There were 34 housing units at an average density of 485.7 per square mile (187.5/km2). The racial makeup of the city was 98.4% White and 1.6% Asian.
There were 28 households, of which 35.7% had children under the age of 18 living with them, 46.4% were married couples living together, 17.9% had a female householder with no husband present, and 35.7% were non-families. 32.1% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older. The average household size was 2.18 and the average family size was 2.72.
The median age in the city was 41.5 years.