Swan, Iowa

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Swan is a very small city in Marion County, Iowa, United States. It covers about 0.64 square miles, all land, and sits roughly 755 feet above sea level. The ZIP code is 50252 and the area code is 515.

As of the 2020 census, Swan had 76 residents living in 32 households and 22 families. The population density was about 123 people per square mile. There were 32 housing units.

Racially, the population was about 84% White, 2.6% Black or African American, and 13.2% from two or more races, with about 1.3% of residents being of Hispanic or Latino origin.

Household details show that 37.5% had children under 18, 40.6% were married couples, 21.9% had a female householder with no husband present, and 28.1% had a male householder with no wife present. Non-families made up 31.2% of households, and individuals accounted for 25%, with 9.4% of households having someone living alone who was 65 or older.

The median age in Swan was 39.5 years, with a gender split of about 53.9% male and 46.1% female.

In April 2025, the Swan city council voted to disincorporate the city. Public schools in the area are operated by the Pleasantville Community School District.