The population was 121 at the 2020 census, which ranks Turner as the least-populated village in the state.

According to the United States Census Bureau, the village has a total area of 1.02 square miles (2.64 km2), all land.

The racial makeup of the village was 95.6% White, 1.8% African American, and 2.6% from two or more races.

The racial makeup of the village was 96.40% White, 1.44% Native American, and 2.16% from two or more races.

There were 38.5% of families and 34.6% of the population living below the poverty line, including 28.6% of under eighteens and 58.3% of those over 64.