Nekoma is a census-designated place in Weller Township, Henry County, Illinois, United States. As of the 2020 census, Nekoma had a population of 23.
The town of Nekoma was laid out in July 1869.
The town is located in the far south of the county, at the intersections of Illinois Routes 17 and 82.
According to the 2021 census gazetteer files, Nekoma has a total area of , all land.
Nekoma first appeared as a census designated place in the 2020 U.S. Census.
As of the 2020 census there were 23 people, 48 households, and 0 families residing in the CDP. The population density was . There were 11 housing units at an average density of . The racial makeup of the CDP was 73.91% White, 8.70% African American, 0.00% Native American, 4.35% Asian, 0.00% Pacific Islander, 0.00% from other races, and 13.04% from two or more races. Hispanic or Latino of any race were 0.00% of the population.
There were 48 households, out of which all were non-families.
It is in the Galva Community Unit School District 224.