Churdan[a] is a city in Greene County, Iowa, United States.

It was named for Joseph Churdan, a pioneer settler who served as the village's first postmaster.

[5] According to the United States Census Bureau, the city has a total area of 2.11 square miles (5.46 km2), all land.

There were 191 housing units at an average density of 92.3 per square mile (35.6/km2).

There were 203 housing units at an average density of 96.2 per square mile (37.1/km2).

37.3% of all households were made up of individuals, and 21.5% had someone living alone who was 65 years of age or older.

34.9% of all households were made up of individuals, and 24.0% had someone living alone who was 65 years of age or older.

Churdan and nearby Paton, work together as communities and have several general businesses.

The school district is primarily an agricultural, rural area in northern Greene County which includes the communities of Paton and Churdan The school, K-12, is located in Churdan.

The land area covers approximately 125 square miles (320 km2) of highly productive farmland.