Fredericksburg is a city in Chickasaw County, Iowa, United States.

[4] The city was named after Frederick Padden, a local settler who platted the village in 1856.

[5][6] In the late 1800s, Dr. William S. Pitts, a local physician and composer who wrote "The Church in the Wildwood", served as mayor of the town.

Bert L. Van Gorden (1873-1941), Wisconsin State Assemblyman and businessman, was born in Fredericksburg.

[8] According to the United States Census Bureau, the city has a total area of 0.86 square miles (2.23 km2), all land.

There were 463 housing units at an average density of 514.6 per square mile (198.7/km2).

There were 462 housing units at an average density of 537.2 per square mile (207.4/km2).

34.7% of all households were made up of individuals, and 17.1% had someone living alone who was 65 years of age or older.

29.2% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.