Newark is a village in southeast Knox County, Missouri, United States, along the South Fabius River.

[7] According to the United States Census Bureau, the village has a total area of 0.32 square miles (0.83 km2), all land.

There were 60 housing units at an average density of 187.5 per square mile (72.4/km2).

42.6% of all households were made up of individuals, and 25.5% had someone living alone who was 65 years of age or older.

40.0% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older.

There were 5.9% of families and 13.2% of the population living below the poverty line, including no under eighteens and 31.3% of those over 64.