Van Wert is a city in northern Decatur County, Iowa, United States.

[3] Van Wert is located on Route J14 east of I-35 approximately eight miles north of Decatur City and two miles south of the Decatur-Clarke county line.

As of the census of 2020,[8] there were 178 people, 82 households, and 53 families residing in the city.

Hispanic or Latino persons of any race comprised 1.7% of the population.

At the 2010 census there were 230 people in 101 households, including 73 families, in the city.

The racial makup of the city was 96.1% White, 2.2% Native American, and 1.7% from two or more races.

At the 2000 census there were 231 people in 103 households, including 64 families, in the city.

About 4.2% of families and 5.6% of the population were below the poverty line, including none of those under the age of eighteen and 17.2% of those sixty five or over.