Fults is a village in the Renault precinct of Monroe County, Illinois, United States. The population was 28 at the 2000 census. It is located entirely within the American Bottom floodplain.
Fults is located at 38°9′56″N 90°12′52″W / 38.16556°N 90.21444°W / 38.16556; -90.21444 (38.165688, -90.214395).
According to the 2010 census, the village has a total area of 0.07 square miles (0.18 km), all land.
As of the census of 2000, there were 28 people, 9 households, and 8 families residing in the village. The population density was 411.2 people per square mile (154.4/km²). There were 10 housing units at an average density of 146.9 per square mile (55.2/km²). The racial makeup of the village was 100.00% White.
There were 9 households out of which 33.3% had children under the age of 18 living with them, 88.9% were married couples living together, and 11.1% were non-families. No households were made up of individuals and none had someone living alone who was 65 years of age or older. The average household size was 3.11 and the average family size was 3.25.
In the village, the population was spread out with 21.4% under the age of 18, 21.4% from 18 to 24, 25.0% from 25 to 44, 28.6% from 45 to 64, and 3.6% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 100.0 males. For every 100 females age 18 and over, there were 120.0 males.
The median income for a household in the village was $47,813, and the median income for a family was $48,438. Males had a median income of $33,750 versus $0 for females. The per capita income for the village was $11,389. None of the population and none of the families were below the poverty line.