Baldwin is a city in Jackson County, Iowa, United States.

The present name is for Edward Baldwin, the original owner of the town site.

[4] In 1910, Baldwin contained several general stores, a drug store, harness shop, meat market, hotel, saloon, restaurant, livery barn, and a barber shop.

[6] According to the United States Census Bureau, the city has a total area of 0.36 square miles (0.93 km2), all land.

There were 56 housing units at an average density of 147.4 per square mile (56.9/km2).

38.9% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

36.8% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older.

There were no families and 2.3% of the population living below the poverty line, including no under eighteens and 7.1% of those over 64.

Baldwin has a mayor-council government; as of January 2017 the mayor is Jerry Neace, and the members of the city council are Dustin Mealor, Theron Ayers, Joe Elam, Jeff Parrish, and Larry Lewallen.